Related Commands
DescriptionCommand
Loops the entire T3 or E3 line on the T3 controller or E3
controller.
loopback (T3/E3), on page 1025
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
993
T3, E3, T1, E1 Controller Commands on the Cisco ASR 9000 Series Router
down-when-looped (T3/E3)