Linecode - Cisco ASR 9000 Series Command Reference Manual

Aggregation services router

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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

Command Default

T1 lines: the default is B8ZS.

E1 lines: the default is AMI.

Command Modes

T1 configuration

E1 configuration

Command History

Release 3.9.0

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.

Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,

Release 5.3.x

T3, E3, T1, E1 Controller Commands on the Cisco ASR 9000 Series Router

Specifies alternate mark inversion (AMI) as the line-code type. This value is the default

for E1 lines.

(T1 only) Specifies B8ZS as the line-code type. This value is the default for T1 lines.

(E1 only) Specifies high-density bipolar 3 (HDB3) as the line-code type.

This command was introduced.

Support for E1 configuration mode was added.

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