Carrier Access Access Navigator - Manual (Page 205)

Access Navigator - Release 1.8 August 2003 9-11
Provision DCS Service
Set System Clock Source
Set System Clock Source
NOTE: If Access Navigator provides GR-303 call support, the primary and secondary
clock sources are usually set to “switch” DS1s in the GR-303 interface group.
1. Show current clock settings with the following command:
show clock
This command will produce a message similar to the following:
Primary Master Transmit Clock Source: DS1 1
Secondary Master Transmit Clock Source: DS1 25
2. If clock settings are correct, skip remaining steps.
3. If primary clock setting is incorrect, set clock1 source with the following command:
set clock1
Example: set clock1 bits
There are three different settings, which are defined as follows:
Setting Definition
bits Select external or BITS source on Timing In connector
ds1 Select clock recovered from DS1 number n
internal Select internal oscillator
4. If secondary clock setting is incorrect, set clock2 source with the following command:
set clock2
Example: set clock2 ds1 5
Choose setting from list in previous step.