3Com TP Transceiver Interface Module. 10BASE-T Backbone Connector. Single TP RJ-45 port connects to a copper twisted-pair Ethernet (10BASE-T). Supports 3Com SuperStack 3 Baseline hubs, SuperStack II PS Hub 40s, SuperStack II Hub 10s, and SuperStack II Switch 1100s. P/N 1206-300-000-1. New Open Box.
