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4-port Token Ring Module (UTP, RJ-45)
Model: WS-C3900-4R=
Cisco Feature Card 4-port Token Ring - Expansion module - Token Ring - Token Ring - 4 ports
Cisco Systems presents the Catalyst 3900 4-port UTP/STP Token Ring module. The ports of this module support Token Ring twisted-pair (UTP/STP) media connections via RJ-45 connectors. Similar to the ports of the base Catalyst 3900, each port can be connected to either shared or dedicated media. The ports can also be connected to ports of another Catalyst 3900, forming a TokenChannel.