Cabletron Systems TMS-3 Ethernet /IEE 802.3 Transceiver Unit

Cabletron TMS-3 Ethernet/IEEE 802.3 Transceiver

Ethernet RS485 12 Way Network IO Controller Modbus TCP RTU Socket Transceiver

USED Cabletron Systems TPFOT-2 Media Adapter Module. no power cord.

3com Ethernet EEE 802.3 Transceiver Base Unit 2239-xx with BNC + AUI Connectors

Cabletron Systems LOT Multiple TPFOT-2 Media Adapter Modules + Power Cords

Ethernet RS485 12 Way Network IO Controller Modbus TCP RTU Socket Transceiver