User's Manual

Alarm Overview
Alarms are states or events in the repeaters that are more or less
detrimental to the repeater function. All alarms are classified in the
following levels depending on the extent of malfunction the alarms cause.
Alarm Levels
None
An event that is not detrimental to the repeater performance.
None alarms will never be reported. If no alarm is active, None is
indicated e.g. in the operational status window.
Warning
An alarm level that decreases the repeater performance somewhat.
A Warning alarm is not a serious alarm. It can be caused by poor
antenna isolation, low traffic activity, etc.
Error
An event indicating that a part of the repeater is not functioning. An
Error alarm is a serious alarm. It can be caused by a synthesizer fault,
external alarm, etc.
Critical
An event that makes the entire repeater cease to function. A Critical
alarm is a very serious alarm. It can be caused by a mains breakdown,
external alarm such as fire, etc.
Ceasing
An event that resets a previous alarm, i.e. the event when the cause of
the alarm ceased. Ceasing is e.g. applicable to an antenna isolation alarm,
which after some time can be ceased if poor antenna isolation is no longer
detected.
Alarm indication
Alarms are indicated with a LED on the repeater front and can be
transferred to a locally or remotely connected OMT32.
The alarm LED indication is reset by a power failure.
Combined repeaters indicate alarms for both the repeater units if an
alarm has been activated in either of the units.
ALLGON System AB AR Repeaters & OMT32 Software – Alarms and Events
User’s Manual VD202 90/EN Rev. 1A 1999-07 11 - 2