linecode
To select the line-code type for T1 or E1 lines, use the linecode command in T1 or E1 configuration mode.
To return the line to the default line-code type, use the no form of this command.
linecode {ami| b8zs| hdb3}
no linecode {ami| b8zs| hdb3}
Syntax Description
Specifies alternate mark inversion (AMI) as the line-code type. This value is the default
for E1 lines.
ami
(T1 only) Specifies B8ZS as the line-code type. This value is the default for T1 lines.b8zs
(E1 only) Specifies high-density bipolar 3 (HDB3) as the line-code type.hdb3
Command Default
T1 lines: the default is B8ZS.
E1 lines: the default is AMI.
Command Modes
T1 configuration
E1 configuration
Command History
This command was introduced.Release 3.9.0
Support for E1 configuration mode was added.Release 4.0.0
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
Use this command in configurations where the router must communicate with T1 or E1 fractional data lines.
The T1 or E1 service provider determines which line-code type is required for your T1 or E1 circuit.
Task ID
OperationsTask ID
read, writesonet-sdh
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
1010
T3, E3, T1, E1 Controller Commands on the Cisco ASR 9000 Series Router
linecode
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