Cisco ASR 1000 Series Software Configuration Guide

PurposeCommand or Action
Configures the clock slave.Router(config-clock)# clock slave
Step 5
Applying the Recovered Clock to the Controller
To apply the recovered clock to the controller, perform the following steps:
SUMMARY STEPS
1.
Router(config)# controller {e1 | t1} slot/subslot/port
2.
Router(config-controller)# vtg 2 t1 1 clock source recovered number
3.
Router(config-controller)# vtg 2 t1 1 cem-group number timeslots number
4.
Router(config-controller)# recovered-clock slot/subslot
DETAILED STEPS
PurposeCommand or Action
Selects the controller.
Router(config)# controller {e1 | t1} slot/subslot/port
Step 1
Assigns a number to the recovered clock.
Router(config-controller)# vtg 2 t1 1 clock source recovered
number
Step 2
Creates a CEM channel from one or more time slots
of a T1 or E1.
Router(config-controller)# vtg 2 t1 1 cem-group number
timeslots number
Step 3
Applies the recovered clock to the interface.
Router(config-controller)# recovered-clock slot/subslot
Step 4
Example for Configuring Clock Recovery
The following example shows how to configure clock recovery:
Configuration on CE1
controller t3 1/0/1
cablelength 224
t1 1 channel-group 1 timeslots 1-24
clock source internal
The clock configuration is not shown as the internal clock by default.Note
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 521
Configuring the Circuit Emulation over Packet Shared Port Adapter
Configuring Clock Recovery

Cisco ASR 1000 Series Specifications

General

Series	ASR 1000
Category	Network Router
Operating System	Cisco IOS XE
Memory	Up to 64 GB
Interfaces	10 Gigabit Ethernet
Power Supply	AC or DC options
Dimensions	Varies by model
Encryption	IPsec, SSL
Storage	Varies by model
Operating Temperature	32°F to 104°F (0°C to 40°C)
Humidity	5% to 95% non-condensing
MTBF	Varies by model