Command Reference Guide T1 Interface Configuration Command Set
61200510L1-35E Copyright © 2005 ADTRAN 699

coding [ami | b8zs]

Use the coding command to configure the line coding for a T1 physical interface. This setting must match
the line coding supplied on the circuit by the service provider.
Syntax Description
ami Configures the line coding for alternate mark inversion (AMI).
b8zs Configures the line coding for bi polar eight zero substitution (B8ZS).
Default Values
By default, all T1 interfaces are configured with B8ZS line coding.
Applicable Platforms
This command applies to the NetVanta 1000R, 3000, 4000, and 5000 and Total Access 900 Series units.
Command History
Release 1.1 Command was introduced.
Functional Notes
The line coding configured in the unit must match the line coding of the T1 circuit. A mismatch will result in
line errors (e.g., BPVs).
Usage Examples
The following example configures the T1 interface for AMI line coding:
(config)#interface t1 1/1
(config-t1 1/1)#coding ami