Cisco ASR 900 Series Configuration Guide

rate OC3
sts-1 <number>
mode t3
cem-group < cem-group-no> unframed
t3 clock source recovered <clock-id>
end
Verifying ACR in Mode T3 for SAToP
Verifying ACR Configuration
Router# show run | sec recovered
recovered-clock bay/slot
clock recovered clock_id adaptive cem cem-group-no port-no
!
Router# show running-config | section 0/4/6
controller SONET 0/4/6
rate OC3
no ais-shut
framing sonet
clock source internal
!
sts-1 1
clock source internal
mode t3
t3 clock source line
cem-group 0 unframed
clock source recovered 20
interface CEM0/4/6
no ip address
cem 0
!
Verifying Recovered Clock
Router# show recovered-clock
Recovered clock status for subslot 0/3
----------------------------------------
Clock Type Mode CEM Status Frequency Offset(ppb) Circuit-No
0 OCx-ds3 ADAPTIVE 0 ACQUIRED n/a 0/1
(Port/t3)
Router# show run | sec recovered
recovered-clock 0 4
clock recovered 20 adaptive cem 6 0
!
Configuring ACR in Mode CT3 for SAToP
You must configure ACR in mode CT3. Mode CT3 is an STS-1 carrying a DS3 signal that is divided into 28
T1s (PDH).
enable
configure terminal
recovered-clock <bay> <slot>
clock recovered <clock-id> adaptive cem <port-no> <cem-group-no>
controller sonet <bay>/<slot>/<port>
rate OC3
sts-1 <number>
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)
139
Clock Recovery System for SAToP
Configuring ACR for OCn

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English