{"product_id":"d20-mic-10base-t-820-0756-ethernet-interface-module-ge","title":"D20 MIC 10BASE-T 820-0756 Ethernet Interface Module | GE","description":"\u003cp\u003eThe \u003cstrong\u003eGE D20 MIC 10BASE-T 820-0756\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e820-0756\u003c\/strong\u003e Ethernet Interface Module, operates as a dedicated hardware component for LAN media conversion and 10 Mbps Ethernet signal conditioning within GE D20 Substation Automation platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e820-0756\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eD20 Substation Automation Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eMedia Interface Controller (MIC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003e10BASE-T Ethernet (RJ45 \/ AUI media conversion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Media\u003c\/td\u003e\n\u003ctd\u003eCategory 3\/5 Unshielded Twisted Pair (UTP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Transfer Rate\u003c\/td\u003e\n\u003ctd\u003e10 Mbps (half-duplex \/ full-duplex execution)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard D20 rack card profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 W (typical, backplane powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe interface card routes 10BASE-T network frames into the internal D20 backplane architecture, supporting deterministic protocol translation and sequence-of-events reporting. Internal logic buffering regulates network packet queues to prevent frame collision backpressure from delaying local SCADA task execution. The onboard transceiver isolates logic ground loops while maintaining continuous signal integrity across expanded substation network topologies.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What network medium does the 820-0756 module interface with?\u003c\/p\u003e\n\u003cp\u003eA: The module provides direct physical conversion to 10BASE-T twisted-pair Ethernet media over an standard RJ45 copper interface at 10 Mbps transmission speeds.\u003c\/p\u003e\n\u003cp\u003eQ: How is operating power delivered to the media controller board?\u003c\/p\u003e\n\u003cp\u003eA: Operational logic power is drawn directly from the internal D20 chassis backplane bus, requiring no external auxiliary power wiring.\u003c\/p\u003e\n\u003cp\u003eQ: How are channel signal lines protected against station ground potential rise?\u003c\/p\u003e\n\u003cp\u003eA: Channel-to-bus galvanic isolation transformers isolate field network cabling from the core processor backplane to prevent ground potential interference.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the host D20 chassis or verify hot-swap rack procedure compliance before sliding the card into its designated slot.\u003c\/li\u003e\n\u003cli\u003eAlign the module card edges with the internal card guides and push firmly until the rear connector seats into the backplane socket.\u003c\/li\u003e\n\u003cli\u003eTighten the front panel retaining screws to a torque specification of 0.6 Nm to ensure mechanical retention and frame grounding.\u003c\/li\u003e\n\u003cli\u003ePlug the CAT3\/CAT5 STP or UTP network cable into the RJ45 port until the retention tab locks securely.\u003c\/li\u003e\n\u003cli\u003eEnsure Ethernet signal cables are dressed away from high-voltage DC control circuits and switching transformer lines.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53267600277813,"sku":"820-0756","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/820-0756.png?v=1786430344","url":"https:\/\/www.5gplc.com\/products\/d20-mic-10base-t-820-0756-ethernet-interface-module-ge","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}