Cisco ASR 9000 Series Command Reference Manual page 1007

T3, E3, T1, E1 Controller Commands on the Cisco ASR 9000 Series Router
Related Commands
Command
show controllers e1, on page 1034
show controllers t1, on page 1046
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Description
Displays information about the E1 links and hardware and software
drivers for the E1 controller.
Displays information about the T1 links and hardware and software
drivers for the T1 controller.
description (T1/E1)
Release 5.3.x
987