Cisco T1 User Manual

network-clock input-source 1 controller E1/T1 0/5/0
exit
Verifying Network Clocking Configuration
Use show run | sec network-cl command to verify the network clocking configuration.
network-clock synchronization automatic
network-clock synchronization mode QL-enabled
network-clock input-source 1 controller E1 0/1/0
network-clock wait-to-restore 10 global
rtr1#sh netw synchronization
Symbols: En - Enable, Dis - Disable, Adis - Admin Disable
NA - Not Applicable
* - Synchronization source selected
# - Synchronization source force selected
& - Synchronization source manually switched
Automatic selection process : Enable
Equipment Clock : 2048 (EEC-Option1)
Clock Mode : QL-Enable
ESMC : Enabled
SSM Option : 1
T0 : E1 0/1/0
Hold-off (global) : 300 ms
Wait-to-restore (global) : 10 sec
Tsm Delay : 180 ms
Revertive : No
Nominated Interfaces
Interface SigType Mode/QL Prio QL_IN ESMC Tx ESMC Rx
Internal NA NA/Dis 251 QL-SEC NA NA
*E1 0/1/0 NA NA/Dis 1 QL-SEC NA NA
rtr1#
Associated Commands
The commands used to configure adaptive clock recovery and differential clock recovery are:
URLCommands
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/
interface/command/ir-cr-book/
ir-c2.html#wp8894393830
clock recovered adaptive cem
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/
interface/command/ir-cr-book/
ir-c2.html#wp8894393830
clock recovered differential cem
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/
interface/command/ir-cr-book/
ir-c1.html#wp2440628600
cem-group
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/
interface/command/ir-cr-book/
ir-o1.html#wp8262293900
recovered-clock
48-Port T1/E1 CEM Interface Module Configuration Guide, Cisco IOS XE Fuji 16.7.x (Cisco NCS 4200 Series)
45
Clock Recovery System for CESoPSN
Verifying Network Clocking Configuration

Cisco T1 Specifications

General

Brand	Cisco
Model	T1
Category	Control Unit
Language	English