{"id":16791,"date":"2026-01-07T13:24:51","date_gmt":"2026-01-07T05:24:51","guid":{"rendered":"https:\/\/long-join.com\/?p=16791"},"modified":"2026-01-07T14:59:23","modified_gmt":"2026-01-07T06:59:23","slug":"long-join-intelligent-lighting-control-system-um9900-introduction-to-the-jl-246cg-and-jl-245cz-centralized-control-solution","status":"publish","type":"post","link":"https:\/\/long-join.com\/ar\/long-join-intelligent-lighting-control-system-um9900-introduction-to-the-jl-246cg-and-jl-245cz-centralized-control-solution\/","title":{"rendered":"Long-Join Intelligent Lighting Control System UM9900: Introduction To The JL-246CG And JL-245CZ Centralized Control Solution"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"16791\" class=\"elementor elementor-16791\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7cd26df elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7cd26df\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-40b2707\" data-id=\"40b2707\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e16467b elementor-widget elementor-widget-heading\" data-id=\"e16467b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Long-Join Intelligent Lighting Control System UM9900: Introduction To The JL-246CG And JL-245CZ Centralized Control Solution<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f5cc75b custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f5cc75b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-0c2ab5e\" data-id=\"0c2ab5e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d2852e5 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d2852e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0645\u0646\u062a\u062c\u0646\u0627<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-bbfe7ec\" data-id=\"bbfe7ec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-175d70f elementor-align-center elementor-widget elementor-widget-button\" data-id=\"175d70f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/long-join.com\/ar\/%d8%b4%d9%87%d8%a7%d8%af%d8%a9-%d8%a7%d9%84%d8%ac%d9%88%d8%af%d8%a9\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0643\u062a\u0627\u0644\u0648\u062c\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-b197f03\" data-id=\"b197f03\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d21cf2e elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d21cf2e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/long-join.com\/ar\/%d9%81%d9%8a%d8%af%d9%8a%d9%88-%d8%b0%d9%88-%d8%b5%d9%84%d8%a9\/\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0641\u064a\u062f\u064a\u0648\u0646\u0627<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-1837ecf\" data-id=\"1837ecf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76cdbb7 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"76cdbb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/%d8%b3%d9%84%d8%b3%d9%84%d8%a9-%d8%b2%d8%a7%d8%ba%d8%a7\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">\u0633\u0644\u0633\u0644\u0629 \u0632\u0627\u063a\u0627<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-83a41f9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"83a41f9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-269b5ea\" data-id=\"269b5ea\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9973227 elementor-widget elementor-widget-heading\" data-id=\"9973227\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u064a\u0642\u062f\u0645<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8ed3dcb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8ed3dcb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1dd613f\" data-id=\"1dd613f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-099eee5 elementor-widget elementor-widget-text-editor\" data-id=\"099eee5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Long-Join&#8217;s UM9900 smart lighting system uses two main devices. One is the <a href=\"https:\/\/long-join.com\/ar\/product\/%d9%88%d8%ad%d8%af%d8%a9-%d8%aa%d8%ad%d9%83%d9%85-%d8%a5%d8%b6%d8%a7%d8%a1%d8%a9-%d8%a7%d9%84%d8%b4%d9%88%d8%a7%d8%b1%d8%b9-%d8%a7%d9%84%d8%b0%d9%83%d9%8a%d8%a9-%d8%a7%d9%84%d9%84%d8%a7%d8%b3%d9%84\/\"><u>JL-246CG master controller<\/u><\/a>, and the other is the JL-245CZ controller device. Together, they create one central mesh system for street lights. It now serves cities, parks, campuses, and industrial areas.<\/p><p>\u00a0<\/p><p>The system uses a Zigbee mesh network, supports wide-area lighting control, and connects easily with photocontrol, <a href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/%d9%85%d9%88%d8%b5%d9%84-%d9%86%d9%8a%d9%85%d8%a7-%d8%a7%d9%84%d9%82%d9%8a%d8%a7%d8%b3%d9%8a\/\"><u>\u0645\u0642\u0628\u0633 NEMA<\/u><\/a>\u060c \u0648 <a href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/%d8%b3%d9%84%d8%b3%d9%84%d8%a9-%d8%b2%d8%a7%d8%ba%d8%a7\/%d9%85%d9%82%d8%a8%d8%b3-%d8%b2%d8%a7%d8%ba%d8%a7\/\"><u>\u0645\u0642\u0628\u0633 \u0632\u0627\u063a\u0627<\/u><\/a>\u00a0ecosystems. With this article, we will walk through the architecture in a simple question-and-answer format, so that technical teams, city engineers, and integrators can quickly understand how UM9900 works and where it fits in a modern smart city lighting plan.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9705257 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9705257\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d4d4a14\" data-id=\"d4d4a14\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9a67dfc elementor-widget elementor-widget-image\" data-id=\"9a67dfc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"430\" src=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-System-Actually-Solve-In-City-Lighting.jpg\" class=\"attachment-large size-large wp-image-16795\" alt=\"UM9900 System Actually Solve In City Lighting\" srcset=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-System-Actually-Solve-In-City-Lighting.jpg 750w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-System-Actually-Solve-In-City-Lighting-300x172.jpg 300w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-System-Actually-Solve-In-City-Lighting-18x10.jpg 18w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-System-Actually-Solve-In-City-Lighting-600x344.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">UM9900 System Actually Solve In City Lighting<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-99cf688 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"99cf688\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ddb0edb\" data-id=\"ddb0edb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8b85959 elementor-widget elementor-widget-heading\" data-id=\"8b85959\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What Problem Does The UM9900 System Actually Solve In City Lighting?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d019530 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d019530\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-13e30c0\" data-id=\"13e30c0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1585cf4 elementor-widget elementor-widget-text-editor\" data-id=\"1585cf4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Many cities still rely on traditional cabinet timers or standalone photocell switches. Once installed, those systems are hard to monitor, slow to adjust, and expensive to maintain. When one feeder trips or a manual setting is wrong, whole streets stay dark or over-lit, and teams often only discover issues after citizens complain.<\/p><p>\u00a0<\/p><p>UM9900 tackles these problems by giving you:<\/p><ul><li><b><\/b><strong><b>Remote visibility<\/b><\/strong>for every pole-level street light controller<\/li><li><b><\/b><strong><b>Fine-grained dimming and scheduling<\/b><\/strong>, not just simple on\/off<\/li><li><b><\/b><strong><b>Redundant mesh communication<\/b><\/strong>between poles, so one failure does not break the whole line<\/li><li>A unified web platform where you monitor energy, alarms, and field devices in real time<\/li><\/ul><div>\u00a0<\/div><p>From a city-operations view, UM9900 works like a central nervous system\u00a0for outdoor lighting: field controllers collect data and execute commands, while the JL-246CG master plus the UM9900 web platform coordinate the whole network.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-867dcda elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"867dcda\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8411e38\" data-id=\"8411e38\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d694566 elementor-widget elementor-widget-heading\" data-id=\"d694566\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">UM9900 At A Glance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4b711d1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4b711d1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-98803e3\" data-id=\"98803e3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-49884ab elementor-widget elementor-widget-text-editor\" data-id=\"49884ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td width=\"132\"><p><strong><b>\u063a\u0631\u0636<\/b><\/strong><\/p><\/td><td width=\"322\"><p><strong><b>What It Means In Daily Operation<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"132\"><p>UM9900 platform<\/p><\/td><td width=\"322\"><p>Web-based control center for all lighting projects<\/p><\/td><\/tr><tr><td width=\"132\"><p>JL-246CG master controller<\/p><\/td><td width=\"322\"><p>Main controller intelligent lighting\u00a0node managing groups\/scenes<\/p><\/td><\/tr><tr><td width=\"132\"><p>JL-245CZ slave controllers<\/p><\/td><td width=\"322\"><p>Pole-level smart remote control switch\u00a0units for each luminaire<\/p><\/td><\/tr><tr><td width=\"132\"><p>\u062a\u0648\u0627\u0635\u0644<\/p><\/td><td width=\"322\"><p><a href=\"https:\/\/www.digi.com\/solutions\/by-technology\/zigbee-wireless-standard\">Zigbee mesh<\/a>; can be extended with LTE\/NB-IoT where needed<\/p><\/td><\/tr><tr><td width=\"132\"><p>Typical applications<\/p><\/td><td width=\"322\"><p>City streets, parks, campuses, industrial estates, communities<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c0a80a6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c0a80a6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3c72767\" data-id=\"3c72767\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2905404 elementor-widget elementor-widget-text-editor\" data-id=\"2905404\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The whole system uses open parts that work well in the field. It can grow with your smart city plans, not trap you in one small use.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7f18aea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f18aea\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5399b86\" data-id=\"5399b86\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-86fd055 elementor-widget elementor-widget-heading\" data-id=\"86fd055\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How Do The JL-246CG Master And JL-245CZ Slave Controllers Work Together?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-de7d121 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"de7d121\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2e4478a\" data-id=\"2e4478a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-480dbb1 elementor-widget elementor-widget-text-editor\" data-id=\"480dbb1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If you are new to smart lighting, it\u2019s easy to get lost in part numbers. So let\u2019s put the two core devices in simple language.<\/p><p>\u00a0<\/p><ul><li><b><\/b><strong><b>JL-246CG<\/b><\/strong>is the \u201cbrain\u201d on the pole: a NEMA-interface smart street light controller that talks to the UM9900 platform and manages downstream devices or scenes.<\/li><li><b><\/b><strong><b>JL-245CZ<\/b><\/strong>is the \u201chands\u201d at each luminaire: a twist-lock street light controller\u00a0that actually switches and dims one light, measuring local conditions and sending data upstream.<\/li><\/ul><div>\u00a0<\/div><p>Both units integrate photo sensor\u00a0capability and Zigbee communication, so they can operate in dusk-to-dawn mode, follow central schedules, or blend both. This is especially useful when you combine UM9900 with Long-Join\u2019s photocell control\u00a0and <a href=\"https:\/\/long-join.com\/ar\/%d8%b3%d9%84%d8%b3%d9%84%d8%a9-%d9%82%d9%81%d9%84-%d8%a7%d9%84%d8%aa%d9%88%d8%a7%d8%a1-phtocontrol\/\"><u>twist-lock photocontrol series<\/u><\/a>\u00a0for layered lighting strategies.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c7c4313 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c7c4313\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c09dcb9\" data-id=\"c09dcb9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a304c34 elementor-widget elementor-widget-heading\" data-id=\"a304c34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Roles Of JL-246CG vs JL-245CZ<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-16e1cae elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"16e1cae\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-10e23d1\" data-id=\"10e23d1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-460f7d0 elementor-widget elementor-widget-text-editor\" data-id=\"460f7d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td width=\"112\"><p><strong><b>Feature \/ Function<\/b><\/strong><\/p><\/td><td width=\"181\"><p><strong><b>JL-246CG Master Controller<\/b><\/strong><\/p><\/td><td width=\"170\"><p><strong><b>JL-245CZ Slave Controller<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"112\"><p>Primary role<\/p><\/td><td width=\"181\"><p>Central node in the pole\u2019s control hierarchy<\/p><\/td><td width=\"170\"><p>Pole-level lamp or small group controller<\/p><\/td><\/tr><tr><td width=\"112\"><p>\u0648\u0627\u062c\u0647\u0629<\/p><\/td><td width=\"181\"><p>NEMA twist-lock NEMA socket\u00a0on the luminaire head<\/p><\/td><td width=\"170\"><p>Twist-lock interface or retrofit on existing fixtures<\/p><\/td><\/tr><tr><td width=\"112\"><p>\u062a\u0648\u0627\u0635\u0644<\/p><\/td><td width=\"181\"><p>Zigbee + optional LTE \/ NB-IoT uplink<\/p><\/td><td width=\"170\"><p>Zigbee mesh node relaying data through the network<\/p><\/td><\/tr><tr><td width=\"112\"><p>Local sensing<\/p><\/td><td width=\"181\"><p>Ambient light, electrical parameters<\/p><\/td><td width=\"170\"><p>Ambient light, load status, basic metering<\/p><\/td><\/tr><tr><td width=\"112\"><p>Typical use<\/p><\/td><td width=\"181\"><p>Group \/ scene controller for one smart pole<\/p><\/td><td width=\"170\"><p>Individual lighting control\u00a0for each lamp<\/p><\/td><\/tr><tr><td width=\"112\"><p>Integration with photocell products<\/p><\/td><td width=\"181\"><p>Coordinates with Long-Join photocell lighting sensor\u00a0families through UM9900<\/p><\/td><td width=\"170\"><p>Operates like an intelligent photocell for street light<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3810531 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3810531\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-918c7e1\" data-id=\"918c7e1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-91f72a1 elementor-widget elementor-widget-text-editor\" data-id=\"91f72a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>This division makes it easy to scale: you add more JL-245CZ slaves as you extend the line, while keeping a consistent architecture around a few JL-246CG master points.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0708faf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0708faf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eff32cd\" data-id=\"eff32cd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c1c6e1 elementor-widget elementor-widget-image\" data-id=\"4c1c6e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"427\" src=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-web-platform-245cg-and-slave-245cz-1024x547.jpg\" class=\"attachment-large size-large wp-image-16797\" alt=\"UM9900 web platform 245cg and slave 245cz\" srcset=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-web-platform-245cg-and-slave-245cz-1024x547.jpg 1024w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-web-platform-245cg-and-slave-245cz-300x160.jpg 300w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-web-platform-245cg-and-slave-245cz-768x410.jpg 768w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-web-platform-245cg-and-slave-245cz-18x10.jpg 18w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-web-platform-245cg-and-slave-245cz-600x321.jpg 600w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-web-platform-245cg-and-slave-245cz.jpg 1250w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">UM9900 web platform 245cg and slave 245cz<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-208dade elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"208dade\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b19291a\" data-id=\"b19291a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-99f3e41 elementor-widget elementor-widget-heading\" data-id=\"99f3e41\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How Does Centralized Control Improve Daily Operation And Maintenance?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-24d7171 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"24d7171\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-01267e4\" data-id=\"01267e4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-28efc91 elementor-widget elementor-widget-text-editor\" data-id=\"28efc91\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For many maintenance teams, the worst part is this. They don&#8217;t know what&#8217;s wrong on site until someone complains there. UM9900 changes that by turning every controller into a small data point.<\/p><p>\u00a0<\/p><p>Through the UM9900 web platform, operators can:<\/p><ul><li>See live voltage, current, power factor, and cumulative energy for each node<\/li><li>Adjust dimming levels, switching thresholds, and schedules remotely<\/li><li>Group luminaires into scenes (e.g., \u201cevening peak,\u201d \u201clate night economy mode\u201d)<\/li><li>Receive alarms for lamp failure, abnormal power, or communication loss<\/li><\/ul><div>\u00a0<\/div><p>This is more than \u201cnice to have.\u201d Smart regulation frameworks and academic studies highlight that <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S2210670721002006\"><u>real-time monitoring<\/u><\/a>\u00a0and analytics are key to optimizing street lighting in modern cities.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b40c147 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b40c147\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e5508ce\" data-id=\"e5508ce\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8c9e65b elementor-widget elementor-widget-heading\" data-id=\"8c9e65b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Typical UM9900 Central Functions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7096523 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7096523\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-16d004d\" data-id=\"16d004d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2db4a5e elementor-widget elementor-widget-text-editor\" data-id=\"2db4a5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td width=\"145\"><p><strong><b>\u0648\u0638\u064a\u0641\u0629<\/b><\/strong><\/p><\/td><td width=\"310\"><p><strong><b>What The Operator Sees \/ Does<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"145\"><p>Real-time map (GIS)<\/p><\/td><td width=\"310\"><p>Location and status of every street light controller\u00a0on one map<\/p><\/td><\/tr><tr><td width=\"145\"><p>State ratio dashboards<\/p><\/td><td width=\"310\"><p>Share of lights on, off, in fault, or under maintenance<\/p><\/td><\/tr><tr><td width=\"145\"><p>Central dimming &amp; scenes<\/p><\/td><td width=\"310\"><p>0\u2013100% dimming per group or schedule, including midnight dimming<\/p><\/td><\/tr><tr><td width=\"145\"><p>Threshold setting for light sensor<\/p><\/td><td width=\"310\"><p>Remote configuration of 20\u2013100 lux switching threshold<\/p><\/td><\/tr><tr><td width=\"145\"><p>Remote updates<\/p><\/td><td width=\"310\"><p>Firmware upgrade and parameter reset over the air<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f2b3a3f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f2b3a3f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cfc4a3b\" data-id=\"cfc4a3b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-33b8f3e elementor-widget elementor-widget-text-editor\" data-id=\"33b8f3e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For cities already using photocell street light\u00a0products from Long-Join, UM9900 adds an extra layer: you keep the automatic dusk-to-dawn photocell behavior at the edge, but gain central override and analytics. This layered control is especially useful when integrating photocontrol receptacle\u00a0hardware, such as Long-Join\u2019s<a href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/%d9%85%d9%88%d8%b5%d9%84-%d9%86%d9%8a%d9%85%d8%a7-%d8%a7%d9%84%d9%82%d9%8a%d8%a7%d8%b3%d9%8a\/%d9%85%d9%82%d8%a8%d8%b3-%d9%86%d9%8a%d9%85%d8%a7-7-%d8%af%d8%a8%d8%a7%d8%a8%d9%8a%d8%b3\/\"><u>\u00a0ANSI C136.41 NEMA 7-pin receptacles<\/u><\/a>.<a href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/%d9%85%d9%88%d8%b5%d9%84-%d9%86%d9%8a%d9%85%d8%a7-%d8%a7%d9%84%d9%82%d9%8a%d8%a7%d8%b3%d9%8a\/%d9%85%d9%82%d8%a8%d8%b3-%d9%86%d9%8a%d9%85%d8%a7-7-%d8%af%d8%a8%d8%a7%d8%a8%d9%8a%d8%b3\/?utm_source=chatgpt.com\">\u00a0<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5e19904 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5e19904\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2c4bf77\" data-id=\"2c4bf77\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ca77d77 elementor-widget elementor-widget-heading\" data-id=\"ca77d77\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How Does The System Work With Photocells, NEMA Sockets, And Zhaga Sockets?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e6fddc0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e6fddc0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a2cc1ae\" data-id=\"a2cc1ae\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e3086f9 elementor-widget elementor-widget-text-editor\" data-id=\"e3086f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Many lighting projects today already use photocell for street light\u00a0control through NEMA or Zhaga interfaces. The question is: can UM9900 work with what you already have?<\/p><p>\u00a0<\/p><p>Long-Join designs the UM9900 ecosystem to stay compatible with its own twist-lock photocontrols, photocontrol receptacles, and <a href=\"https:\/\/long-join.com\/ar\/product\/%d9%85%d9%82%d8%a8%d8%b3-zhaga-book18-jl-700-%d9%85%d8%b9-%d8%a8%d8%b1%d9%88%d8%aa%d9%88%d9%83%d9%88%d9%84-%d8%aa%d8%b9%d8%aa%d9%8a%d9%85-%d8%af%d8%a7%d9%84%d9%8a\/\"><u>\u0645\u0642\u0628\u0633 \u0632\u0627\u063a\u0627<\/u><\/a>\u00a0products. This means:<\/p><p>\u00a0<\/p><ul><li>Existing luminaires with NEMA 7-pin sockets can host JL-246CG or separate photocell lighting sensor<\/li><li>New designs using Zhaga Book 18 can integrate compact controller intelligent lightingmodules through products like<a href=\"https:\/\/long-join.com\/ar\/product\/%d9%85%d9%82%d8%a8%d8%b3-zhaga-book18-jl-700-%d9%85%d8%b9-%d8%a8%d8%b1%d9%88%d8%aa%d9%88%d9%83%d9%88%d9%84-%d8%aa%d8%b9%d8%aa%d9%8a%d9%85-%d8%af%d8%a7%d9%84%d9%8a\/\"><u>\u00a0JL-700 Zhaga socket<\/u><\/a>.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fd00909 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fd00909\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-87fe61f\" data-id=\"87fe61f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-99619bc elementor-widget elementor-widget-heading\" data-id=\"99619bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Interface Options Around UM9900<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-269cca7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"269cca7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e9f5ba7\" data-id=\"e9f5ba7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-60bf094 elementor-widget elementor-widget-text-editor\" data-id=\"60bf094\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td width=\"100\"><p><strong><b>\u0646\u0648\u0639 \u0627\u0644\u0648\u0627\u062c\u0647\u0629<\/b><\/strong><\/p><\/td><td width=\"170\"><p><strong><b>Example Long-Join Product<\/b><\/strong><\/p><\/td><td width=\"193\"><p><strong><b>What It Enables<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"100\"><p>\u0645\u0642\u0628\u0633 NEMA \u0630\u0648 7 \u062f\u0628\u0627\u0628\u064a\u0633<\/p><\/td><td width=\"170\"><p><a href=\"https:\/\/long-join.com\/ar\/product-category\/%d9%85%d9%86%d8%aa%d8%ac%d9%86%d8%a7\/%d9%85%d9%88%d8%b5%d9%84-%d9%86%d9%8a%d9%85%d8%a7-%d8%a7%d9%84%d9%82%d9%8a%d8%a7%d8%b3%d9%8a\/%d9%85%d9%82%d8%a8%d8%b3-%d9%86%d9%8a%d9%85%d8%a7-7-%d8%af%d8%a8%d8%a7%d8%a8%d9%8a%d8%b3\/\">JL-250 series receptacles <\/a><\/p><\/td><td width=\"193\"><p>Pluggable photocell control, smart controllers, or shorting caps<\/p><\/td><\/tr><tr><td width=\"100\"><p>Twist-lock photocontrol<\/p><\/td><td width=\"170\"><p><a href=\"https:\/\/long-join.com\/ar\/product\/%d9%88%d8%ad%d8%af%d8%a9-%d8%aa%d8%ad%d9%83%d9%85-%d8%b5%d9%88%d8%b1-%d8%a5%d8%b6%d8%a7%d8%a1%d8%a9-%d8%a7%d9%84%d8%b4%d9%88%d8%a7%d8%b1%d8%b9-jl-217c-%d9%88%d8%b5%d9%84%d8%a9-%d8%b7%d9%88%d9%8a%d9%84\/\">JL-217C street light photo controller<\/a><\/p><\/td><td width=\"193\"><p>Dusk-to-dawn photocell switch\u00a0with surge protection<\/p><\/td><\/tr><tr><td width=\"100\"><p>\u0645\u0642\u0628\u0633 \u0632\u0627\u063a\u0627<\/p><\/td><td width=\"170\"><p><a href=\"https:\/\/long-join.com\/ar\/product\/%d9%85%d9%82%d8%a8%d8%b3-zhaga-book18-jl-700-%d9%85%d8%b9-%d8%a8%d8%b1%d9%88%d8%aa%d9%88%d9%83%d9%88%d9%84-%d8%aa%d8%b9%d8%aa%d9%8a%d9%85-%d8%af%d8%a7%d9%84%d9%8a\/\">JL-700 Zhaga socket series <\/a><\/p><\/td><td width=\"193\"><p>Low-profile interface for Zhaga-ready smart controllers<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-35c6f5e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"35c6f5e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dc433dc\" data-id=\"dc433dc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-63bc63d elementor-widget elementor-widget-text-editor\" data-id=\"63bc63d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>By combining UM9900 with these hardware families, cities can roll out outdoor photocell light sensor\u00a0strategies now and still remain ready for future smart nodes, sensors, or communication upgrades.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6837ca7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6837ca7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f4338ae\" data-id=\"f4338ae\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-63b241c elementor-widget elementor-widget-image\" data-id=\"63b241c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-combing-with-different-hardware-1024x576.jpg\" class=\"attachment-large size-large wp-image-16796\" alt=\"UM9900 combing with different hardware\" srcset=\"https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-combing-with-different-hardware-1024x576.jpg 1024w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-combing-with-different-hardware-300x169.jpg 300w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-combing-with-different-hardware-768x432.jpg 768w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-combing-with-different-hardware-18x10.jpg 18w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-combing-with-different-hardware-600x338.jpg 600w, https:\/\/long-join.com\/wp-content\/uploads\/2026\/01\/UM9900-combing-with-different-hardware.jpg 1279w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">UM9900 combing with different hardware<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3e9621b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3e9621b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-53b9c81\" data-id=\"53b9c81\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e56bc11 elementor-widget elementor-widget-heading\" data-id=\"e56bc11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">In Which Scenarios Does UM9900 Deliver The Most Value, And How Does It Scale?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-535cc1c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"535cc1c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5243492\" data-id=\"5243492\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a6e17c elementor-widget elementor-widget-text-editor\" data-id=\"4a6e17c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Smart lighting is not the same. For all. It is a smart photocell-style controller that sits on top of the light. It talks to field nodes and sends data up to the cloud. UM9900 is designed to cover this spectrum without forcing different platforms for each type of project.<\/p><p>\u00a0<\/p><p>Typical scenarios include:<\/p><ul><li><b><\/b><strong><b>City main roads and highways<\/b><\/strong>: use group-based dimming, traffic-driven scenes, and strict alarm handling.<\/li><li><b><\/b><strong><b>Residential communities and campuses<\/b><\/strong>: emphasize safety, softer dimming curves, and integration with CCTV or emergency buttons.<\/li><li><b><\/b><strong><b>Parks and greenways<\/b><\/strong>: combine motion sensing, environmental data, and reduced night-time light pollution.<\/li><\/ul><div>\u00a0<\/div><p>Scaling is straightforward:<\/p><ul><li>Start with one district: a few JL-246CG masters and dozens of JL-245CZ slaves.<\/li><li>Add more poles and controllers as new streets or parks are upgraded.<\/li><li>Extend with new sensors or smart city functions without changing the backbone.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-47a9536 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"47a9536\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-665e373\" data-id=\"665e373\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a65cf30 elementor-widget elementor-widget-heading\" data-id=\"a65cf30\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Scenario vs Configuration Example<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dea2f43 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dea2f43\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d36cf1e\" data-id=\"d36cf1e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e018131 elementor-widget elementor-widget-text-editor\" data-id=\"e018131\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td width=\"106\"><p><strong><b>Scenario Type<\/b><\/strong><\/p><\/td><td width=\"161\"><p><strong><b>Typical Node Density<\/b><\/strong><\/p><\/td><td width=\"195\"><p><strong><b>Key UM9900 Features Used<\/b><\/strong><\/p><\/td><\/tr><tr><td width=\"106\"><p>Main urban road<\/p><\/td><td width=\"161\"><p>1 pole every 25\u201340 m<\/p><\/td><td width=\"195\"><p>Central dimming, failure alarms, GIS monitoring<\/p><\/td><\/tr><tr><td width=\"106\"><p>Residential community<\/p><\/td><td width=\"161\"><p>Short streets, mixed pole spacing<\/p><\/td><td width=\"195\"><p>Scene-based scheduling, motion + light sensor<\/p><\/td><\/tr><tr><td width=\"106\"><p>Industrial \/ logistics<\/p><\/td><td width=\"161\"><p>Large lots, high mast lights<\/p><\/td><td width=\"195\"><p>Power quality tracking, midnight energy saving<\/p><\/td><\/tr><tr><td width=\"106\"><p>Parks &amp; waterfronts<\/p><\/td><td width=\"161\"><p>Curved paths, trees blocking direct lines<\/p><\/td><td width=\"195\"><p>Mesh routing, adaptive dimming, sensor add-ons<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-92c9e7a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"92c9e7a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cf10127\" data-id=\"cf10127\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c46c07a elementor-widget elementor-widget-text-editor\" data-id=\"c46c07a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Because UM9900 uses web-based management and standard wireless protocols, it fits easily into broader smart-city programs targeting CO\u2082 reduction and improved public safety.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b4ecff8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b4ecff8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e92f797\" data-id=\"e92f797\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9e076d8 elementor-widget elementor-widget-heading\" data-id=\"9e076d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u062e\u0627\u062a\u0645\u0629<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ca18037 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ca18037\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d094f79\" data-id=\"d094f79\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-86c3970 elementor-widget elementor-widget-text-editor\" data-id=\"86c3970\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><b>The Long-Join UM9900 intelligent lighting control system brings together the JL-246CG master controller and JL-245CZ slave controllers to create a robust, Zigbee-based centralized control solution for modern outdoor lighting. <\/b><\/strong><\/p><p><strong><b>\u00a0<\/b><\/strong><\/p><p><strong><b>With a self-healing mesh network, rich web dashboards, and compatibility with Long-Join\u2019s <\/b><\/strong><strong><b>\u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0636\u0648\u0626\u064a<\/b><\/strong><strong><b>, <\/b><\/strong><strong><b>\u0645\u0642\u0628\u0633 NEMA<\/b><\/strong><strong><b>\u060c \u0648 <\/b><\/strong><strong><b>\u0645\u0642\u0628\u0633 \u0632\u0627\u063a\u0627<\/b><\/strong><strong><b>\u00a0product families, it gives cities a practical path from simple dusk-to-dawn operation to full smart-city lighting.<\/b><\/strong><\/p><p><strong><b>\u00a0<\/b><\/strong><\/p><p><strong><b>For municipalities, EPC providers, and lighting manufacturers photocell partners looking to cut energy use, simplify operations, and prepare for future smart services, UM9900 offers a clear, scalable route forward\u2014without throwing away the systems and photocell hardware you already trust.<\/b><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2d022d4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2d022d4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7b4ae33\" data-id=\"7b4ae33\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c1292f elementor-widget elementor-widget-heading\" data-id=\"2c1292f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u0627\u0644\u0631\u0648\u0627\u0628\u0637 \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-06539ea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06539ea\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f75d1e6\" data-id=\"f75d1e6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71a8be7 elementor-widget elementor-widget-text-editor\" data-id=\"71a8be7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u25cfhttps:\/\/www.digi.com\/solutions\/by-technology\/zigbee-wireless-standard<br \/>\u25cfhttps:\/\/en.wikipedia.org\/wiki\/Mesh_networking<br \/>\u25cfhttps:\/\/www.researchgate.net\/publication\/364583427_The_Potential_of_using_ZigBee_Technology_<\/p><p>to_Improve_the_Effectiveness_of_Smart_Street_Lighting_SystemsSSLS<br \/>\u25cfhttps:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S2210670721002006<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>The Long-Join UM9900 intelligent lighting control system brings together the JL-246CG master controller and JL-245CZ slave controllers to create a robust, Zigbee-based centralized control solution for modern outdoor lighting.<br \/>\nWith a self-healing mesh network, rich web dashboards, and compatibility with Long-Join\u2019s photocontrol, NEMA socket, and Zhaga socket product families, it gives cities a practical path from simple dusk-to-dawn operation to full smart-city lighting.<br \/>\nFor municipalities, EPC providers, and lighting manufacturers photocell partners looking to cut energy use, simplify operations, and prepare for future smart services, UM9900 offers a clear, scalable route forward\u2014without throwing away the systems and photocell hardware you already trust.<\/p>","protected":false},"author":1,"featured_media":16795,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[1,68],"tags":[],"class_list":["post-16791","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-long-join-blog","category-recent-post"],"acf":[],"_links":{"self":[{"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/posts\/16791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/comments?post=16791"}],"version-history":[{"count":8,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/posts\/16791\/revisions"}],"predecessor-version":[{"id":16804,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/posts\/16791\/revisions\/16804"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/media\/16795"}],"wp:attachment":[{"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/media?parent=16791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/categories?post=16791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/long-join.com\/ar\/wp-json\/wp\/v2\/tags?post=16791"}],"curies":[{"name":"\u0648\u0648\u0631\u062f\u0628\u0631\u064a\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}