DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-717ISDN-SGR (ISDN-PRI Signaling Group)
3
ISDN-SGR (ISDN-PRI Signaling Group)
An ISDN-PRI Signaling Group is a collection of DS1/UDS1 ISDN Trunks or PRI
endpoint ports (B-c hannels) for which a given ISDN-PRI Signaling Link Port
(D-channel) carries sig naling information. ISDN-PRI requires the use of one of the
following DS1 interface circuit packs:
See DS1-BD and UDS1-BD Maintenance documentation for a d escription of
these circuit packs. See

DS1/CEPT1/IS DN-P RI Reference

, 555-025-101, for more
information on ISDN.
For 24-channel interfaces, the first 23 p orts on the circuit pack are used as
B-channels. The 24th port may be use d as a B-channel or as a D-channel
depending on the type of Signaling Group used (see Figure 3-23).
MO Name (in
Alarm Log) Alarm Level Initial Command to Run1
1. Where <group> is a number 1-8 and the test sequence can be either s (short) or l (long).
Full Name of MO
ISDN-SGR MINOR test sig-group <group> ISDN-PRI Signaling Group
ISDN-SGR WARNING test sig-group <group> ISDN-PRI Signaling Group
TN767B or later 24-channel with ISDN-PRI D-channel over PI-BD
TN464C or later 24- or 32-channel with ISDN-PRI D-channel over PI-BD