Cisco ASR 900 Series Configuration Guide

The configuration of no form of the command is not suported. To restore to the default condition, use no
mode sdh command under Mediatype controller after removing all configuration under that port. .
Note
SDH Line and Section Configuration Parameters
The following parameters affect SDH configuration at the line and section levels.
Overhead
Sets the SDH overhead bytes in the frame header to a specific standards requirement, or to ensure
interoperability with equipment from another vendors.
• J0 — Sets the J0 or C1 byte value in the SDH section overhead.
The supported values of J0 are 1 byte, 16 bytes, and 64 bytes.Note
• S1S0 — Sets the SS bits value of the H1 byte in the SDH line overhead.
Configuring Line and Section Overhead
To configure line and section overhead:
enable
configure terminal
controller sdh 0/5/0
overhead s1s0 2
overhead j0 expected length 16-byte
overhead j0 expected tracebuffer rx Message
overhead j0 tx length 1-byte
overhead j0 tx tracebuffer tx Message
end
To restore the system to its default condition, use the no form of the overhead j0 command.Note
Threshold
Set the path BER threshold values.
• b1-tca — Enables Bit Error Rate (BER) threshold crossing alerts for B1.
• b2-tca — Enables BER threshold crossing alerts for B2.
• sd-ber — Enables the threshold of the Signal Degrade (SD) BER that is used to trigger a signal degrade
alarm.
1-Port OC-192 or 8-Port Low Rate CEM Interface Module Configuration Guide, Cisco IOS XE Everest 16.7.x (Cisco
ASR 900 Series)
89
Configuring SDH on 1-Port OC-192/STM-64 or 8-Port OC-3/12/48/STM-1/-4/-16 Module
SDH Line and Section Configuration Parameters

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English