Technical Specifications 10BASE‑T twisted‑pair Ethernet port, D20 internal back‑plane bus interface. Auxiliary DC power supplied by D20 chassis back‑plane. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, relative humidity 5%‑95% non‑condensing. D20 chassis plug‑in module structure.
Functional Features Implements 10BASE‑T Ethernet physical‑layer and protocol processing for D20 RTU. Completes bidirectional data exchange between D20 internal back‑plane bus and Ethernet network. Supports network parameter configuration and communication status diagnosis. Provides link status LED indicator for on‑site inspection.
Application Scenarios Ethernet communication spare‑part for GE D20 RTU system, widely used in power substation automation and power‑distribution monitoring‑system renovation projects.
Performance Parameters Stable 10BASE‑T Ethernet data transmission performance, reliable protocol conversion between internal bus and Ethernet, fast communication fault diagnosis response.
Material Composition Flame‑retardant plastic module housing. Ethernet protocol processing circuit board, signal isolation components. Gold‑plated back‑plane bus connector. RJ45 Ethernet port. Chassis locking mechanical hardware. Front‑panel status LED indicators.
Structural Characteristics D20‑system standard plug‑in module shape. Rear‑edge gold‑plated connector mates with D20 chassis internal back‑plane bus. Front‑panel equips RJ45 10BASE‑T port and communication status LED indicators. Module locking buckle secures unit into D20 chassis slot.
Working Principle It receives data packets from D20 main controller via internal back‑plane bus, encapsulates data into Ethernet frames and transmits outward through 10BASE‑T twisted‑pair port. Incoming Ethernet data frames are parsed and converted into internal bus data format for D20 main controller processing. Hardware circuit monitors Ethernet link status continuously.
Installation Requirements Power‑off D20 RTU chassis power supply before module installation. Insert D20 EME 10BASE‑T module into designated chassis slot and lock buckle. Connect twisted‑pair Ethernet cable to front‑panel RJ45 port. Restore chassis power supply, configure network IP address and communication parameters, verify data exchange with upper monitoring host.
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