Lcm (Rg) Critical - Nortel DMS-100 Series Maintenance Manual

7-16 7-16 Alarm clearing procedures
LCM (RG)
critical
Alarm display
CM
.
Indication
The following text under the PM header at the MTC level of the MAP
display indicates an alarm that involves an outside plant module (OPM):
Meaning
Both of the ringing generator units are in the in-service trouble (ISTb) state.
Result
If both ringing generator units fail, the system does not automatically switch
to an active ringing generator (SwRG). If SwRG does not occur, the system
cannot generate ringing. This alarm affects subscriber service.
Common procedures
There are no common procedures.
Action
This procedure contains a summary flowchart and a list of steps. Use the
flowchart to review the procedure. Follow the steps to perform the
procedure.
297-8211-550 Standard 05.01 August 1999
7-16
MS IOD Net
. .
the LCM refers to a line concentrating module
an n next to the LCM indicates the number of LCMs affected
a *C* indicates that the alarm class is critical
PM CCS
. nLCM .
*C*
Lns Trks Ext
. . .
Appl
.