User guide

Table Of Contents
Programming
61
4. Select the Link Descriptor number and then click
Change.
5. Modify the fields as required. Click Help for a
description of the fields. Click Save.
6. Click Digital Link Assignment, click a link number,
and then click Change. Select the required digital link
descriptor name. Enter a description of the link usage
in the comment field and click Save.
- The selected link descriptor type must be
compatible with the programmed card type.
- Before you change a digital link descriptor, busy
out all the trunks that are associated with the link.
Trunks are associated with a link in the Trunk
Assignment form. See Using maintenance
commands (p. 162)
- If you change a digital link descriptor type for a
link, you must commit your programming and then
reboot the system in order for the change to take
effect.
7. Click Network Synchronization, select the Clock
Source Priority (1 to 5) and then click Change.
- Select the location of the external clock source
(1 to 6 for option modules; 7 to 10 for onboard
BRI). If you don’t define an external source,
network synchronization is provided by the system
clock. Any connected digital links will then run in
free-run mode.
- Select the Link Number (1 or 2)
- Set the number of allowable slips in a 24-hour
period (0 to 9000). Set the Slip rate to 50 (default)
for a network that contains only Mitel systems; set
it to at least 75 for networks that include non-Mitel
systems.
- Click Save.
Do not use a T1 connection from a 3100 ICP as the
synchronization source for another 3100 ICP system