The 3C510511 LinkBuilder FMS / SuperStack II
TR Hubs are intelligent Token Ring Hubs that provide workstation
connectivity for 802.5 Token Ring networks. Available with either 12 or 24
ports, the Hub TR comes equipped with an additional internetworking lobe
port located on the rear panel. All lobe ports are shielded RJ45
connectors and support either shielded (STP) or unshielded (UTP) twisted
pair media and can operate at either 4 or 16 Mbps ring speed.