Tadiran Telecom Coral IPx 500, Installation Manual

Page: 541 / 544

Peripheral Cards
10-21
Dig
ital
T
run
k Synchr
on
izati
on
10
0
1. See the selection of the digital trunk cards available at the Coral site, given on
page
10-19, Choosing the Best Synchronization Source
above, to determine which cards will
be used as the primary and secondary synchronization sources.
2. Determine into which slots the card chosen in
Step 1
should be inserted. See
Figure
10-3 on page 10-18
.
3. Verify that the IPx 500M backplane card is properly strapped. See
Figure 10-4
and
Figure 6-22 on page 6-24
.
4. Verify that the IPx 500X backplane is properly strapped. See
Figure 10-5
and
Figure
6-30 on page 6-35
.
5. Use the PI facility to inform the system of the synchronization slot selection.
Access the synchronization branch ( Route: DTDB, 3 ) to set the following
parameters:
ADDR - PRM, SEC
Enter the appropriate (shelf, slot) combination of your choice
PRM (shelf#,4), SEC (shelf#,5).
For more information, refer to Chapter 8 of the Program Interface reference Manual .
6. If BRI lines are used for synchronization, access the ISDN branch (Route: DTDB, 4)
to set the following parameters:
SYNC
Set this parameter to YES.
PERMANENTLY active Channel
Set this parameter to YES.
For more information, refer to
Chapter 26
of the
Program Interface reference Manual
.
7. Verify that the system is synchronized upon your settings:
Access the PI Synchronization branch (Route DTDB, 3), check the following
parameter:
CURR_CLK
Verify that the value 1 is displayed, indicating that the system is synchronized by
the primary synchronization source.
4 Synchronization Instructions
If straps must be changed, verify that the system power is OFF before removing the
PS500 power supply unit.