Maintenance Object Repair Procedures
555-233-123
10-214 Issue 4 May 2002
ATM-SGRP (ATM Signaling Group)
This Maintenance Object (ATM-SGRP) applies when ATM signaling groups have
been administered on an ATM circuit pack.
Table 10-79 outlines the differences between ATM interface circuit packs:
The TN2305 and TN2306 ATM Interface circuit boards are referred to as TN230X
for the remainder of this MO.
An ATM Signaling Group is a collection of B-channels for which a given ISDN-PRI
Signaling Channel Port (ATM D-channel) carries signaling information. ATM
B-channels (ATM-BCH) carry voice or data and are assigned to ISDN trunks. For
more information see ‘‘ATM-TRK (Circuit Emulation Service Circuit Pack)’’.
The operation of the entire ATM signaling group depends on several other
entities:
■ the ATM-DCH signaling channel port
■ the TN230X Interface circuit pack on which the D-channels reside
■ the system link that is carried over the packet bus to the processor
MO Name (in
Alarm Log)
Alarm
Level
Initial Command to
Run
1
1 grp# is the signaling group number (1-166); the test sequence can be either short or
long.
Full Name of MO
ATM-SGRP MINOR test sig-group grp# ATM-CES Signaling Group
ATM-SGRP WARNING test sig-group grp# ATM-CES Signaling Group
Table 10-79. R7 ATM-SGR circuit packs
Circuit
pack Channel types Interface Fiber
Echo
cancellation
TN2305 B and D channels 24 or 32 channel Multimode Y
TN2306 B and D channels 24 or 32 channel Single mode Y
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