For example: if an ODD backup is scheduled and date and time has to be changed until a time past the scheduling,
this ODD backup will be bypassed. In such a case, the backup might be rescheduled.
It is also possible to check whether scheduled routine exercises have been bypassed. This can be done by entering
the
OP:ST=REX
input message.
3.3 ALARM SYSTEM MANAGEMENT
3.3.1 GENERAL
The alarm system management is used to set the alarm retire mode, to provide alarm control, and to assign the
level, label, and repeatability of scan points.
3.3.2 ALARM RETIRE
The critical and major audible alarms in an exchange can be retired manually or automatically. When the alarm
retire mode is manual, the alarms have to be retired by pressing the
ALM RLS
function key at the master control
center (MCC) video terminal, or by entering the
CLR:ALARMS
input message. If the alarm retire mode is set to
automatic, the alarms will be retired in 8 seconds by the system. Minor alarms will be retired automatically all the
time, independent of the alarm retire mode.
Automatic or manual alarm retire mode can be activated by means of the menu commands 800 and 801 at the
MCC Page 105/106
BLDG/POWER & ALARM CNTRLS.
3.3.3 ALARM ASSIGNMENTS
Alarm level, label, and repeatability assignments can be given to building or miscellaneous alarms. The assignments
are shown at the MCC Pages 105/106
BLDG/POWER & ALARM CNTRLS and 119
MISCELLANEOUS
ALARMS.
The alarm level can be critical, major, minor, or informational. The label can consist of a maximum of nine letters,
digits, spaces, plus, or minus signs. The alarm repeatability is either nonrepeating or repeating (at 15-minute
intervals). Once level, label, and repeatability are filled in, they are protected from loss when the system is booted.
The procedure for changing Automatic Message Accounting (AMA) alarm levels for the AMA alarm feature is
located in the 235-190-300,
Billing and Feature Specifications
manual.
3.3.4 ALARM CONTROL
Some alarms can be inhibited or allowed manually from alarm reporting. These alarms are as follows:
Building/power alarms
External sanity monitor alarm
Fan or fuse alarms of the time multiplex switch (TMS) or the message switch (MSGS)
Miscellaneous alarms.
When a building/power alarm is inhibited, the respective indicator at the MCC Page 105/106 will show the
abbreviation
INH
in reverse video. Also the words BLDG INH in the SUMMARY STATUS AREA will be backlighted.
To inhibit or allow building power alarms, one can use the appropriate input message or the menu command (shown
at the MCC Page 105/106).
The external sanity monitor alarm indicator is shown at the MCC Page 116
MISCELLANEOUS. Once the alarm is
235-105-210
October 1999
Copyright © 1999
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