25(42)
Datum/Date
Rev
Dokumentnr/Documentnr
Uppgjord/Prepared
Dokansv/Godkänd - Doc respons/Approved
Kontr/Checked
Tillhör/Referens-File/Reference
1999-07-15
F
1545-ASB 150 02 Uen
FAULT TRACING DESCRIPTION
Faktaansvarig - Subject responsible
2.13
Flow Charts for Cordless
General Alarm
START
CSM Problem
active?
Common
user
complaint?
Individual
user
complaint?
Y
Y
Y
N
N
N
Individual User
Common User
complaint
complaint
Go to
page 22
Go to
page 23
Go to
page 26
Fault 8
General Alarm
or 37?
Voltage
Y
N
Y
System manager-
Control - Service
Check availability of
indicated Base Station
in System Manager-
Control-System
Base Station
available?
Y
N
Connection between the
indicated IC-CU, IC-LU and BS
has been broken for a
short time
Check supply voltage
at Base Station
<1/2 x PSU
voltage?
Base Station
Y
powered by
an adapter?
adapter
N
- Check IC-CU, IC-LU connector
- Check Base Station
- Check BS wiring
N
if voltage present
- Check cable to Base
Station, MDF
- Check IC-CU, IC-LU
Connection between
the indicated DTU part
and the PBX has been
broken for a short time
Fault 35?
Y
Check availability of
indicated DTU board in
System Manager
Control-System
BC, L1 and
available?
L2 of DTU
Y
N
Restart PBX
From
page 20
