Cisco ASR 1000 Configuration Guide

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Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide
OL-14127-08
Chapter 19 Configuring the 1-Port Channelized OC-3/STM-1 SPA and 1-Port Channelized OC-12/STM-4 SPA
Configuration Tasks
Configuring SDH Mode
Note In Cisco IOS XE Release 2.6, SDH mode is not supported on the 1-Port Channelized OC-12/STM-4
SPA.
Note The SDH mode is supported on 1-Port Channelized OC-12/STM-4 SPA from Cisco IOS XE Release
3.1.2 onwards.
To configure SDH mode, complete the following steps:
Command Purpose
Step 1
Router(config-controller)# framing
sdh
Specifies SDH as the frame type.
Step 2
Router(config-controller)# aug
mapping {au-3 | au-4}
Configures AUG mapping for SDH framing.
If the AUG mapping is configured to be AU-4, then the
following muxing, alignment, and mapping will be used:
TUG-3 <--> VC-4 <--> AU-4 <--> AUG
If the mapping is configured to be AU-3, then the following
muxing, alignment, and mapping will be used:
VC-3 <--> AU-3 <--> AUG
Default is au-4.
Step 3
Router(config-controller)# clock
source {internal | line}
Sets the clock source, where:
• internal—Specifies that the internal clock source is
used.
• line—Specifies that the network clock source is used.
This is the default for T1 and E1.

Cisco ASR 1000 Specifications

General

Brand	Cisco
Model	ASR 1000
Category	Network Router
Language	English