Cisco ASR 900 Series Configuration Guide

18 OCx-T1 ADAPTIVE 34 ACQUIRED n/a 0/1/4 (Port/t3/t1)
2
Configuring DCR in CT3-T1 mode for CESoPSN
To configure the CEM group in the SONET controller:
configure terminal
controller sonet <bay>/<slot>/<port>
rate OC3
sts-1 <num>
mode ct3
t1 <t1_num> clock source recovered <clock-id>
t1 <t1_num> cem-group <cem-group-no> timeslots <1-24>
interface cem <bay>/<slot>/<port>
cem < cem-group-no>
rtp-present
To configure recovered clock for CESoPSN:
recovered-clock <bay> <slot>
clock recovered <clock-id> differential cem <port-no> <cem-group-no> priority <priority no>
Verifying DCR in CT3-T1 mode for CESoPSN
Use the show recovered-clock command to verify the DCR for CEM groups 31 and 32 configured in CT3
mode on T1 interface:
Router#show recovered clock
Recovered clock status for subslot 0/5
----------------------------------------
Clock Type Mode CEM Status Frequency Offset(ppb) Circuit-No
Priority
17 OCx-T1 DIFFERENTIAL 31 ACQUIRING n/a 0/1/3 (Port/t3/t1)
2
18 OCx-T1 DIFFERENTIAL 32 ACQUIRED n/a 0/1/4 (Port/t3/t1)
2
Configuring Clocking for ACR and DCR on APS for CESoPSN
Configuring Clocking for ACR 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 0/5/0
mode sonet
controller sonet 0/5/0
rate oc3
sts-1 1
mode ct3
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)
60
Configuring SONET
Configuring DCR in CT3-T1 mode for CESoPSN

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English