UTP Cable Connections
When making a connection to another device using straight-through UTP cable, make sure MDI-X to
MDI connection rule is followed. The following figure illustrates the pin assignments of a straight-through
UTP and a crossover UTP cable:
Straight-through and Crossover UTP Cable
It is suggested to use straight-through UTP cables for all UTP connections. The maximum length and
UTP cable categories used for the connections to a 10BASE-T device and 100BASE-TX device are:
CONNECTED DEVICE UTP CABLE USED & MAXIMUM LENGTH
10BASE-T device Cat. 3, 5 UTP (100 meters)
100BASE-TX device Cat. 5 UTP (100 meters)
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