Cisco AS5400 Quick Start Manual page 19

You can connect the Cisco AS5350 and Cisco AS5400 to a WAN in the following ways:
• Connect each T1/PRI port to an RJ-45 jack with a straight-through RJ-45 to RJ-45 cable.
Connecting 2-Port or 4-Port DFC on Cisco AS5350 to RJ-45 Jack
Straight-through
RJ-45-to-RJ-45 cable
RJ-45 jack
Connecting 8-Port DFC on Cisco AS5350 to RJ-45 Jack
T1/E1 8 PRI
connector
Straight-through
RJ-45-to-RJ-45 cable
RJ-45 jack
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