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100BASE-TX Network
2-2 Network Requirements
2.3 100BASE-TX NETWORK
The fixed ports of the SmartSwitch provide an RJ21 connection that supports Category 5 UTP
cabling. The device at the other end of the twisted pair segment must meet IEEE 802.3u
100BASE-TX Fast Ethernet network requirements for the devices to operate at 100 Mbps. Refer to
the Cabletron Systems Cabling Guide for details.
NOTE
The fixed ports of the SmartSwitch support Category 5 UTP cabling with an impedance
between 85 and 111 ohms for 10 and 100 Mbps operation.
SmartSwitch modules are capable of operating at either 10 or 100 Mbps. The
SmartSwitch automatically senses the speed of the other device and adjusts its speed
accordingly.