255-700-025
4-39
PacketStar
™
Access Concentrator 60 User Guide
, Issue 1
Release 6.3.0
Chapter 4 Configuring the Basic System
Configuring the Stratum 3–4 Clock Timing
Note:
The following steps 5 and 6 in this procedure apply only if you
select the
LineTiming
value in the
Synchronization Source
field. When you select this value, the
Primary Line Source
and
the
Secondary Line Source
fields and the
Switch Line Timing
Source
command are displayed (see Figure 4-24).
5
Select the
Primary Line Source
field, and enter the values for the slot
and the port.
Press Enter to exit edit mode.
6
Select the
Secondary Line Source
field, and enter the values for the
slot and the port. Enter zeros (00) if you do not want to specify a
secondary line source.
Press Enter to exit edit mode.
7
Select the
Apply Stratum Configuration
command, and press Enter
to execute the command.
End
Switching the Line Timing Source
At any time after initial configuration of the Stratum 3–4 clock timing when
you have selected
LineTiming
as your synchronization source, you can
switch between the primary line source or the secondary line source, as
follows:
1
Select the
Switch Line Timing Source
command.
Figure 4-24. Stratum Configuration Window (LineTiming Synchronization)