Cisco ASR 901 User Manual

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Cisco ASR 901 Aggregation Services Router Command Reference Guide
OL-26031-07
Chapter 1 CLI Command Reference
network-clock output-source system
network-clock output-source system
To allow transmitting the system clock to external timing output interfaces, use the network-clock
output-source system command. Use the no form of the command to disable the configuration.
network-clock output-source system <priority> {external <slot/card/port> [t1 {sf | efs | d4} | e1
[crc4| fas| cas [crc4] | 2m | 10m] }
no network-clock output-source system
Syntax Description
Command Modes Global configuration
Command History
Usage Guidelines Allows transmitting the system clock to external timing output interfaces.
This command provides station clock output as per G.781. It is recommend that you use the interface
level command instead of global commands. Global command should preferably be used for interfaces
that do not have an interface sub mode.
Examples This example sets the output-source to external interface 3/0/1:
Router(config)#network-clock output-source system 55 external 3/0/1 t1 efs
Related Commands
priority Selection priority for the clock source (1 is the highest priority). When the
higher-priority clock source fails, the next-higher-priority clock source is
selected.
external Specifies the external interface.
Release Modification
15.1(2)SNG Support for this command was introduced on the Cisco ASR 901 router.
Command Description
network-clock
quality-level
Specifies the QL value for line or external timing input or output.

Cisco ASR 901 Specifications

General

Brand	Cisco
Model	ASR 901
Category	Network Router
Language	English