{"id":12831,"date":"2026-03-13T10:05:31","date_gmt":"2026-03-13T10:05:31","guid":{"rendered":"https:\/\/developer.rdkcentral.com\/documentation\/?page_id=12831"},"modified":"2026-03-13T10:48:51","modified_gmt":"2026-03-13T10:48:51","slug":"epon-manager-design-documentation","status":"publish","type":"page","link":"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/rdk_broadband_documentation\/components\/epon-manager\/epon-manager-design-documentation\/","title":{"rendered":"Epon Manager &#8211; Design Documentation"},"content":{"rendered":"\n<p>The RdkEponManager is an RDK (Reference Design Kit) application responsible for controlling and configuring EPON (Ethernet Passive Optical Network) lower layers. It serves as a middleware between the EPON HAL (Hardware Abstraction Layer) and other RDK components.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"EponManagerDesignDocumentation-Purpose\">Purpose<\/h2>\n\n\n\n<p>RdkEponManager provides a unified interface for EPON management in RDK-based systems, handling:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EPON HAL initialization and event management<\/li>\n\n\n\n<li>TR-181 data model implementation via RBus\/DBus<\/li>\n\n\n\n<li>Telemetry and statistics collection<\/li>\n\n\n\n<li>Interface with WanManager for link status updates<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"EponManagerDesignDocumentation-KeyFeatures\">Key Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Event-driven architecture<\/strong>&nbsp;for HAL event processing<\/li>\n\n\n\n<li><strong>Multi-threaded design<\/strong>&nbsp;for concurrent operations<\/li>\n\n\n\n<li><strong>Statistics caching mechanism<\/strong>&nbsp;(30-second TTL)<\/li>\n\n\n\n<li><strong>Periodic statistics harvesting<\/strong>&nbsp;(every 15 minutes)<\/li>\n\n\n\n<li><strong>Comprehensive logging and telemetry integration<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"EponManagerDesignDocumentation-DocumentationStructure\">Documentation Structure<\/h2>\n\n\n\n<p>This design is organized into the following documents:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/rdk_connectivity_documentation\/components\/epon-manager\/epon-manager-requirements-specification\/\">Requirements<\/a><\/strong>\u00a0&#8211; Functional and non-functional requirements<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/rdk_connectivity_documentation\/components\/epon-manager\/epon-manager-system-architecture\/\">Architecture<\/a><\/strong>\u00a0&#8211; High-level system architecture and diagrams<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/rdk_connectivity_documentation\/components\/epon-manager\/epon-manager-component-design\/\">Component Design<\/a><\/strong>\u00a0&#8211; Detailed component specifications<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/rdk_connectivity_documentation\/components\/epon-manager\/epon-manager-sequence-diagrams\/\">Sequence Diagrams<\/a><\/strong>\u00a0&#8211; Event flows and interactions<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/rdk_connectivity_documentation\/components\/epon-manager\/epon-manager-thread-architecture\/\">Thread Architecture<\/a><\/strong>\u00a0&#8211; Multi-threading design<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/rdk_connectivity_documentation\/components\/epon-manager\/epon-manager-configuration-deployment\/\">Configuration<\/a><\/strong>\u00a0&#8211; Configuration and deployment<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"EponManagerDesignDocumentation-QuickStart\">Quick Start<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"EponManagerDesignDocumentation-SystemComponents\">System Components<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>EPON Controller<\/strong>&nbsp;&#8211; Main coordinator and initializer<\/li>\n\n\n\n<li><strong>RBus\/DBus Thread<\/strong>&nbsp;&#8211; TR-181 DML handler<\/li>\n\n\n\n<li><strong>HAL Event Listener Thread<\/strong>&nbsp;&#8211; Processes HAL events<\/li>\n\n\n\n<li><strong>Stats Polling Thread<\/strong>&nbsp;&#8211; Periodic statistics harvester<\/li>\n\n\n\n<li><strong>Logger Module<\/strong>&nbsp;&#8211; RDK logger integration<\/li>\n\n\n\n<li><strong>Telemetry Module<\/strong>&nbsp;&#8211; T2 integration<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"EponManagerDesignDocumentation-KeyTechnologies\">Key Technologies<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Communication Bus<\/strong>: RBus\/DBus<\/li>\n\n\n\n<li><strong>Data Model<\/strong>: TR-181<\/li>\n\n\n\n<li><strong>Telemetry<\/strong>: T2<\/li>\n\n\n\n<li><strong>Hardware Interface<\/strong>: EPON HAL<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"EponManagerDesignDocumentation-Glossary\">Glossary<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Term<\/td><td>Description<\/td><\/tr><tr><td>EPON<\/td><td>Ethernet Passive Optical Network<\/td><\/tr><tr><td>ONU<\/td><td>Optical Network Unit<\/td><\/tr><tr><td>OLT<\/td><td>Optical Line Terminal<\/td><\/tr><tr><td>LLID<\/td><td>Logical Link ID<\/td><\/tr><tr><td>HAL<\/td><td>Hardware Abstraction Layer<\/td><\/tr><tr><td>TR-181<\/td><td>Technical Report 181 (Data Model)<\/td><\/tr><tr><td>RBus<\/td><td>RDK Bus (IPC mechanism)<\/td><\/tr><tr><td>DML<\/td><td>Data Model Library<\/td><\/tr><tr><td>T2<\/td><td>Telemetry 2.0<\/td><\/tr><tr><td>TTL<\/td><td>Time To Live<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"EponManagerDesignDocumentation-References\">References<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TR-181 Device Data Model Specification<\/li>\n\n\n\n<li>RDK Documentation (<a href=\"http:\/\/rdkcentral.com\/\">rdkcentral.com<\/a>)<\/li>\n\n\n\n<li>IEEE 802.3ah EPON Standard<\/li>\n\n\n\n<li>RBus API Documentation<\/li>\n\n\n\n<li>RDK Logger API Guide<\/li>\n<\/ul>\n\n\n\n<p><a href=\"https:\/\/wiki.rdkcentral.com\/spaces\/DOC\/pages\/467642735\/Epon+Manager+-+Design+Documentation\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The RdkEponManager is an RDK (Reference Design Kit) application responsible for controlling and configuring EPON [&hellip;]<\/p>\n","protected":false},"author":659,"featured_media":0,"parent":12819,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-12831","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Epon Manager - Design Documentation - RDK Documentation Portal | Documentation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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