Electrical Substation – Rated 10/100/1000 Mbps 3-Port Self-managed Ethernet Switch, Universal PoE, 1 SFP FX + 2TX, redundant 48 VDC inputs

Condition: New
Brand: ComNet
Status: Active
SKU: 37765
Manufacturer Part #: RLGE2+1SMSPOEHO

Additional information

Weight 1 lbs

Production Status



  • Full duplex transmission of 10/100/1000 Mbps Ethernet: (2) 10/100/1000BASE-TX ports and (1) 100BASE-FX or 1000BASE-FX SFP port
  • Designed to the requirements of IEC 61850-3 and IEEE 1613 Class 2 for electrical utility substations, EN50155 for railway applications, and NEMA TS-1/TS-2 for traffic signal control equipment, and IEC/EN60950-1
  • Link fault pass-through provides a remote indication of a network fault
  • 12 to 24 VDC, 48 VDC or HV AC/DC (88 to 300 VDC/85-264 VAC) operating power options
  • Internal/self-contained high-reliability power supply eliminates the need for an external power supply, and a screw terminal block connects directly to the power source for permanent, reliable, and maintenance-free operation
  • 12 to 24VDC and 48 VDC input power supply versions feature redundant power inputs, for extremely high levels of reliability and availability
  • Summary fault alarm provides a local or remote indication via dry contact closure in the event of loss of optical link or operating power
  • Rugged 19-gauge galvanized and powder-coated steel enclosure.
  • Supports PoE PDs (Powered Devices) requiring PoE (15 watts), PoE+ (30 watts), and Universal PoE/PoE++ (60 watts)
  • No fans or forced-air cooling; cooling via natural convection eliminates unreliable and troublesome fans/moving parts, with no periodic maintenance requirements.
  • Uses customer-installed ComNet SFPs for compatibility with a wide range of optical fibers, optical connector types, and optical transmission distances (SFPs ordered separately).
  • Electric Port Supports Auto-negotiation for Full Duplex or Half Duplex Data Throughput
  • Designed for wall or DIN rail mount installations


  • Electrical substation automation & SCADA networks, protective relaying systems
  • Power transmission & distribution systems, remote wind farm, hydroelectric, and solar/photovoltaic power generation facilities, and other electrical utility-specific applications
  • Perimeter security, surveillance monitoring, and controlled access to electrical substations and power generating facilities, and other high-value, mission-critical sites
  • Industrial/Factory Automation & Process Control SCADA Networks
  • Chemical and petrochemical refining and processing facilities, oil and gas pipelines/transmission systems, and mining installations
  • Food processing operations
  • Wastewater treatment plants
  • ITS/Transportation Traffic Signalization & Surveillance/Incident Detection Networks
  • Railway/trackside control and monitoring systems
  • Integrated IP-Video, VOIP, and Data Transmission Networks
  • Cellular telephony and wireless backhaul networks
  • For supporting NERC-CIP-014 compliance, and other critical infrastructure physical security applications where PoE-powered IP video cameras, access control equipment, perimeter security sensing devices, etc., are utilized


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