Cisco ASR 900 Series Configuration Guide

To configure ACR in mode VT15 for Structure-Agnostic TDM over Packet (SAToP):
enable
configure terminal
controller sonet <bay>/<slot>/<port>
rate OC3
sts-1 <number>
mode vt-15
vtg 1 t1 cem 0 unframed
vtg 1 t1 1 clock source recovered 1
vtg <vtg_number> t1 <t1_number> cem-group < cem-group-no> unframed
vtg <vtg_number> t1 <t1_number> clock source recovered <clock-id>
exit
recovered-clock 0 <0-15> Subslot number
end
Verifying ACR in Mode VT15 for SAToP
Verifying ACR Configuration
Router# show running-config | section 0/4/0
controller MediaType 0/4/0
mode sonet
controller SONET 0/4/0
rate OC48
no ais-shut
framing sonet
clock source internal
!
sts-1 1
clock source internal
mode vt-15
vtg 1 t1 1 clock source Recovered 0
vtg 1 t1 1 framing unframed
vtg 1 t1 1 cem-group 0 unframed
interface CEM0/4/0
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-ds1 ADAPTIVE 0 ACQUIRED n/a 0/1/1/1
(Port/path/vtg/t1)
Router# show running-config | section recovered-clock 0 4
recovered-clock 0 4
clock recovered 0 adaptive cem 0 0
Configuring ACR in mode T3 for SAToP
You must configure ACR in mode T3. Mode T3 is STS-1 or AU-4/TUG3 carrying an unchannelized (clear
channel) T3.
enable
configure terminal
recovered-clock <bay> <slot>
clock recovered <clock-id> adaptive cem <port-no> <cem-group-no>
controller sonet <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)
138
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