Cisco ASR 900 Series Configuration Guide

t1 1 clock source recovered 1
end
To configure the recovered clock with priority 1, use the following commands:
enable
configure terminal
recovered-clock acr 200
clock recovered 1 adaptive cem 1 priority 1
end
To configure clock source in CT3 mode of STS-1 for CESoPSN, use the following commands:
enable
configure terminal
controller sonet 0/4/6
sts-1 1
mode ct3
t1 1 clock source recovered 1
end
To configure the recovered clock with priority 2, use the following commands:
enable
configure terminal
recovered-clock acr 200
clock recovered 1 adaptive cem 2 priority 2
end
Verifying Clocking for ACR on APS CT3-T1 in CESoPSN
Use the show recovered-clock command to verify the ACR on APS in CT3 mode for CESoPSN:
Router#show recovered clock
Recovered clock status for SONET-ACR 200
----------------------------------------
Clock Type Mode CEM Status Circuit-No Working Protect
Priority
1 OCx-T1 ADAPTIVE 1 ACQUIRED 200/1/1(acr/t3/t1) ACQUIRED ACQUIRED
1
4 OCx-T1 ADAPTIVE 38 ACQUIRING 200/3/1/1(acr/path/vtg/t1) ACQUIRIN ACQUIRING
1
Configuring Clocking for DCR on APS CT3-T1 in CESoPSN
For clocking, you need to configure Sonet controllers with prriority.
To configure clock source in CT3 mode of STS-1 for CESoPSN, use the following commands:
enable
configure terminal
controller mediatype 0/3/6
mode sonet
rate oc3
sts-1 1
mode ct3
t1 1 clock source recovered 1
end
To configure CEM interface, use the following commands:
interface cem <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)
61
Configuring SONET
Verifying Clocking for ACR on APS CT3-T1 in CESoPSN

Cisco ASR 900 Series Specifications

General

Product Family	ASR 900 Series
Category	Network Router
Connectivity Technology	Wired
Switching Capacity	Varies by model
Memory	Varies by model
Operating System	Cisco IOS XE
Dimensions	Varies by model
Weight	Varies by model
Form Factor	Modular
Supported Interfaces	Ethernet, Gigabit Ethernet, 10 Gigabit Ethernet, T1/E1, T3/E3, OC-3/STM-1, OC-12/STM-4, OC-48/STM-16
Ports	Varies by model
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Network / Transport Protocol	TCP/IP, UDP
Routing Protocol	BGP, OSPF, IS-IS, RIP, EIGRP, MPLS
Remote Management Protocol	SNMP, CLI, SSH
Features	MPLS, QoS, IPv6, NetFlow, ACLs, VRF
Power Supply	AC or DC
Operating Temperature	0 to 40°C
Storage Temperature	-40 to 70°C (-40 to 158°F)
Humidity	5% to 95% (non-condensing)