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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.
