Cisco ASR 900 Series Configuration Guide

t1 1 clock source recovered 1
end
To configure the recovered clock with priority 1, use the following commands:
enable
configure terminal
recovered-clock acr 200
clock recovered 1 adaptive cem 1 priority 1
end
To configure clock source in CT3 mode of STS-1 for CESoPSN, use the following commands:
enable
configure terminal
controller sonet 0/4/6
sts-1 1
mode ct3
t1 1 clock source recovered 1
end
To configure the recovered clock with priority 2, use the following commands:
enable
configure terminal
recovered-clock acr 200
clock recovered 1 adaptive cem 2 priority 2
end
Verifying Clocking for ACR on APS CT3-T1 in CESoPSN
Use the show recovered-clock command to verify the ACR on APS in CT3 mode for CESoPSN:
Router#show recovered clock
Recovered clock status for SONET-ACR 200
----------------------------------------
Clock Type Mode CEM Status Circuit-No Working Protect
Priority
1 OCx-T1 ADAPTIVE 1 ACQUIRED 200/1/1(acr/t3/t1) ACQUIRED ACQUIRED
1
4 OCx-T1 ADAPTIVE 38 ACQUIRING 200/3/1/1(acr/path/vtg/t1) ACQUIRIN ACQUIRING
1
Configuring Clocking for DCR on APS CT3-T1 in CESoPSN
For clocking, you need to configure Sonet controllers with prriority.
To configure clock source in CT3 mode of STS-1 for CESoPSN, use the following commands:
enable
configure terminal
controller mediatype 0/3/6
mode sonet
rate oc3
sts-1 1
mode ct3
t1 1 clock source recovered 1
end
To configure CEM interface, use the following commands:
interface cem <bay>/<slot>/<port>
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)
61
Configuring SONET
Verifying Clocking for ACR on APS CT3-T1 in CESoPSN

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English