https://www.perle.com/Industrial/PoE-Switches
赞助Industrial safety and hazardous location certified. Supply up to 100 Watts of PoE. Managed or Unmanaged Layer 2 PoE Switches. Ruggedized for operation in -40°F to +167°F.
Operate in -40°F to 167°F · Modbus TCP Support · Power 12V PoE Devices
Types: Layer 2 Managed, PoE, Unmanaged