Cisco Cisco Packet Data Interworking Function (PDIF)
clock-source
This command sets the source of the port's transmit clock.
Product
SGSN
Privilege
Security Administrator, Administrator
Command Modes
Exec > Global Configuration > ATM Port Configuration
configure > port atm slot_number/port_number
Entering the above command sequence results in the following prompt:
[local]
host_name
(config-port-
slot_number/port_number
)#
Syntax Description
clock-source { internal-timing | loop-timing }
default clock-source
default clock-source
default
Using this command combination sets the port clock source to internal timing.
internal-timing
Sets the port clock to derive timing from the recovered receive clock.
loop-timing
Sets the port clock to transmit in sync with the system timing.
Usage Guidelines
Use this command for either SONET ports on the SGSN.
This command is only available for releases 8.1 or higher.
Important
Examples
The following command resets the transmit clock source to internal timing.
default clock-source
default clock-source
Command Line Interface Reference, Modes A - B, StarOS Release 19
1787
ATM Port Configuration Mode Commands
clock-source