User Manual

Table Of Contents
Optical Master Unit
PRODUCT DESCRIPTION AND USER’S MANUAL
© Axell Wireless Ltd A1829300 rev H 36 (86)
3.4.4 Alarm Format
Each alarm transmitted from the OMU contains a number of fields, in detail describing the event that caused the
alarm. The alarm is transmitted as an ASCII text string, each field separated by a blank/white space.
Using the Axell Element Manager to control the OMU, the alarm string is delivered to the transceiver for
further processing in the AEM system.
When SMS is used to control the OMU, the string is sent as clear text to the alarm address (main address).
Note! The SMS functionality is not implemented in this SW release.
Message
field
Format # of
char.
Description
Repeater ID XX-YY-ZZZZ 10 ID of the repeater causing the alarm. When monitoring the
repeater using the AEM, this repeater ID is set by the AEM
during the repeater installation phase. Using SMS, this
repeater ID should be modified to uniquely identify the
repeater in the network.
Message # N 1 to
10
This integer value uniquely identifies this message from the
repeater and may be from 0 to 2147483648 (231).
Message type ALARM 5 This text string identifies the message as being an alarm (or
end of alarm)
Date DDMMYY 6 Day, month and year when the alarm was detected
Time HHMMSS 6 Hour, minute and second when the alarm was detected
Alarm Name CCC 3 Identifies the alarm type (e.g. PW1, SZU, PDL, etc)
Alarm
Severity
CC 2 Abbreviation for severity of the alarm. This severity varies
between the different alarm sources.
CR = critical
MA = major
MI = minor
WA = warning
CL = cleared
When an and of alarm is sent, the severity is CL = cleared
Alarm Class CC 2 Abbreviation for kind of alarm
CO = communication alarm
EN = environmental alarm
QS = quality of service alarm
PR = processing alarm
EQ = equipment alarm
Status C 1 This status identifier is 0 if end of alarm and 1 if alarm.
Hardware
Enumeration
CCCC 1 to 5 Denotes what hardware module the alarm originates from. If
not used, a '-' (dash) is replied.
Position
Identifier
CCCCCCCCCC
CC
1 to
12
Gives detailed information about certain alarm sources. For
some alarms, such as VLI, LGO and CLR, this may contain
user information. If not used, a '-' (dash) is replied.
Additional
text
<Text> 60 This quoted string contains additional alarm information, such
as measured levels when the alarm condition was detected.