SMC Networks 1255TX-2 User Manual page 8

2.3 Fast Ethernet Connection (100Mbps)
Category 5 UTP cable is required for Fast Ethernet (100Mbps) operation. The maximum cable run
between the adapter and the supporting hub, switch or router is 300ft (100m). Make the network
connection by plugging one end of the cable into the RJ-45 receptacle of the adapter, and the other end
into one port in the hub, switch or router.
2.4 Ethernet Connection (10Mbps )
Category 3, Category 4, and Category 5 UTP cable, as well as EIA/TIA 568 100 ohm STP cable is
required for Ethernet (10Mbps) operation. The maximum cable length run between this adapter and the
supporting hub, switch or router is 300 ft (100m). Make the network connection by plugging one end of
the cable into the RJ-45 receptacle of this adapter, and the other end into the hub, switch or router.