External Alarms
49
External Alarms
49.1
References
Whenever a reference is made to a function described in another chapter,
please refer to the table of contents to find the appropriate chapter.
49.2
Concepts
External Alarm
An alarm that originates from a source
defined by the customer. The alarm is
reported over A-bis transparently through
the RBS. An example is a fire alarm.
Auxiliary Faults
Detected by supervision of auxiliary
equipment.
Auxiliary Equipment
Equipment connected to the RBS but
normally situated outside the RBS cabinet.
Alarm Inlet
The binary inlet to which the supervised
equipment is connected. Used for both
Auxiliary Faults and External Alarms.
Alarm Setup
The parameter definition for the alarm
inlets, which is set by OMT.
Basic Character Set
A subset of the CCITT International
Alphabet No 5, International Reference
Version. See table below:
Table 156
Basic Character set
Character
Code
Space
20
hex
0
1
2
3
4
5
6
7
8
9
30
hex
- 39
hex
:
;
<
=
>
?
@
3A
hex
- 40
hex
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
41
hex
- 4F
hex
P
Q
R
S
T
U
V
W
X
Y
Z
50
hex
- 5A
hex
_
5F
hex
49.3
Function
Purpose
This function facilitates external alarms reported via the RBS. Example
of this is "fire alarm".
Each active alarm will activate one common indicator light, which will
be deactivated when there is no alarm active.
EN/LZT 720 0008
P2A
2001-11-28
393 (485)
© Ericsson Radio Systems AB
— All Rights Reserved —
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Summary of Contents for RBS 2106
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