Technical information

Programming
123
 If you are connecting the ISDN trunk to a Toll Office, set the Toll
Office option to “Yes”.
 If you are connecting the ISDN trunk to a Local Office, set the Toll
Office option to “No”, and set the “Is a CO?” option to “Yes”.
 Set the Debounce Timer to 100 milliseconds.
 Set the Incoming Start Type to WINK.
 Set the Outgoing Start Type to WINK.
7. Form 14, Non Dial-In Trunks OR Form 15, Dial-In Trunks
 Define the incoming ISDN trunk as a non-dial-in trunk in Form 14,
or as a dial-in trunk in Form 15. You cannot program a trunk into
both Form 14 and Form 15.
8. Form 16, Trunk Groups
 Assign the ISDN trunks to a trunk group. The trunk group number
that you program for the ISDN trunks in this form must match the
trunk group numbers that you program for the ISDN trunks in the
PRI card bay.
9. Form 42, T1 Link Descriptor
 Select a T1 Link Descriptor for the ISDN trunks in Form 42. In the
Link Descriptor Options Subform, enter the following values for
the T1 Link Descriptor:
The Toll Office setting takes precedence over the Local Office
setting. Also, if neither “Toll Office” nor “Is a CO?” is set to “yes”,
the switch assumes a digital TIE trunk is connected.
Option Name Value
Alarm debounce timer (300-3200) 500
B8ZS zero code suppression YES
Slip rate - maintenance limit (0-9000)/24 hrs 255
Slip rate - service limit (0-9000)/24 hrs 7000
Slip rate - network sync limit (0-9000)/24 hrs 7
(Sheet 1 of 2)