CHAPTER
20-1
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
20
Configuring T1/E1 Controllers
This chapter provides information about configuring the T1/E1 controllers on Cisco ASR 901 router.
Contents
• Configuring the Card Type, page 20-1
• Configuring E1 Controllers, page 20-2
• Configuring T1 Controllers, page 20-4
• Troubleshooting Controllers, page 20-5
Configuring the Card Type
Perform a basic card type configuration by enabling the router, enabling an interface, and specifying the
card type as described below. You might also need to enter other configuration commands, depending on
the requirements for your system configuration and the protocols you plan to route on the interface.
Note In the following procedure, press the Return key after each step unless otherwise noted. At any time,
you can exit the privileged level and return to the user level by entering disable at the Router# prompt.
To select and configure a card type, complete the following steps:
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.