Cisco ASR 900 Series Configuration Guide

Benefits of Clock Recovery
•
Customer-edge devices (CEs) can have different clock from that of the Provide-edge devices (PEs).
Scaling Information
Pseudowires Supported (Number of Clocks Derived)IM Card
48DS1
1344DS3
20001-Port OC192/STM-64 or 8-Port
OC3/12/48/STM-1/-4/-16 Interface Module
Configuring DCR for OCn
Configuring DCR in Mode VT15 for SAToP
enable
configure terminal
recovered-clock <bay> <slot>
clock recovered <clock-id> differential cem <port-no> <cem-group-no>
controller sonet <bay>/<slot>/<port>
rate OC3
sts-1 <number>
mode vt-15
vtg <vtg_no> t1 <t1_number> cem-group <cem-group-no> unframed
vtg <vtg_no> t1 <t1_number> clock source recovered <clock-id>
interface cem <bay>/<slot>/<port>
cem <cem-group-number>
rtp-present
end
Verifying DCR in Mode VT15 for SAToP
Verifying DCR 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
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)
142
Clock Recovery System for SAToP
Configuring DCR for OCn

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English