![background image](http://html.mh-extra.com/html/cisco/asr-9000-series/asr-9000-series_command-reference-manual_64844960.webp)
Description
Command
Enables a BERT pattern on a T3/E3 or T1/E1 line or an individual
channel group.
bert pattern, on page 947
Displays information about the E1 links and hardware and software
drivers for the E1 controller.
show controllers e1, on page 1034
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
940
T3, E3, T1, E1 Controller Commands on the Cisco ASR 9000 Series Router
bert e1