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Table 6. General aspect of alarms meaning and relevant maintenance actions
PROBABLE CAUSE NAME AND/OR ACRONYM
OF DISPLAYED ALARM
MAINTENANCE
Loss of signal (LOS) Check line
Transmitter Signal (TF) Replace unit
Transmitter degraded (TD) Replace unit when possible (laser degrade)
Loss of frame (LOF) Check line (alignment problems due to line error)
AIS Check connected equipment
Excessive BER (EBER) Check line (excessive line BER)
Degraded Signal (DS) Check line (line signal degrade)
Loss of Pointer (LOP) Check line
Payload Mismatch (PLM) Configuration error
Far End Received Failure
(FERF) Check far–end equipment
Server Signal Failure (SSF) Check all the TU path. Alarm indicates AIS signal received on
the TU
Frequency offset (DRIFT) Check reference and connection between it and the equipment
Loss of timing source (LOSS) Check reference and connection between it and the equipment
Resource Isolation Check connection between NE and Craft Terminal
Communication Subsystem
Isolation (CSF) Check Communication configuration (LAPD)
Unequipped (U)
Referred to Signal Label Configuration error
Unconfigured Equipment
Present (UEP) Unit inserted but not declared
Internal Communication Prob-lem
Reset NE. If persists substitute EQUICO/SYNTH1N/SYNTH4 unit according to the NE type.
URU – Underlying Resource
Unavailable Insert the board
PM_AS– Performance
Monitoring Alarm Synthesis Check path / line section interested to the indication.
CPE–Communication protocol error
Check MSP protocol (architecture type, switch fail)
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Remote Node Transmission
error (RNTE) Check far–end equipment
Table 7. Boards alarms
NAME AND ACRONYM OF DISPLAYED ALARM BOARD ACRONYM MAINTENANCE Unit missing (RUM) A2S1 A21E1 A3E3 A3T3 A4ES1 AFOX ETH–ATX ETH–MB GETH–AG HPROT
Insert missing unit
Unit Problem (RUP) HPROT L–41 L–41N L–42 L–42N M4E1 M1E3 M1T3 P3E3/T3 P4ES1N P4S1 Replace unit
Unit type mismatch (RUTM) P4S1N P21E1 P21E1N P21E1N–M4 P63E1 P63E1N P63E1N–M4 S–41 S–41N SERVICE
Insert right unit (unit inserted into a slot set with another type of unit)
Unit Problem
All rights reserved. Passing on and copying of this document, use and communication of its contents not permitted without written authorization from Alcatel. 04.10 MAINTENANCE BOARD ACRONYM NAME AND ACRONYM OF DISPLAYED ALARM Unit missing
(RUM) Insert missing unit
Unit Problem
(RUP) Replace unit
Unit type mismatch
(RUTM) PR16
Insert right unit (unit inserted into a slot set with another type of unit)
Power Problem
(POP) Replace unit
Pump failure
(PF) Replace unit
Enclosure Door Open (EDO)
Check that the protection cover in front of the unit has been cor-rectly placed.
Unit missing
(RUM) Insert missing unit
Unit Problem (RUP)
BST10
Replace unit Unit type mismatch
(RUTM)
BST10 BST15 BST17
Insert right unit (unit inserted into a slot set with another type of unit)
Pump failure
(PF) Replace unit
Enclosure Door Open (EDO)
Check that the protection cover in front of the unit has been cor-rectly placed.
Unit missing
(RUM) Insert missing unit
Unit Problem
(RUP) Replace unit
Unit type mismatch (RUTM)
GETH–MB Insert right unit (unit inserted into a slot set with another type of
unit) Internal
communication problem
Internal dialogue problem in the unit. It indicates a temporary con-dition which will be restored. If the concon-dition persists it is due to a
All rights reserved. Passing on and copying of document, use and communication of its contents not permitted without written authorization from – ALICE 04.10 Unit missing
(RUM) Insert missing unit
Unit Problem (RUP) MATRIX MATRIXN PREA–S1P Replace unit Unit type mismatch
(RUTM)
PREA S1P PREA1GBE PREA4ETH ATM8X8
Insert right unit (unit inserted into a slot set with another type of unit)
Version Mismatch
ATM8X8 ATM4X4
SYNTH1 Update software version by means of SW download
Internal communication problem (ICP) SYNTH1 SYNTH1N
SYNTH4 Internal dialogue problem in the unit. It indicates a temporary
con-dition which will be restored. If the concon-dition persists it is due to a unit hardware failure: in this case it will activate the RUP alarm Unit missing
(RUM)
S–161 S–161N
Insert missing unit Unit Problem (RUP) S–161ND L–161 L 161N Replace unit Unit type mismatch
(RUTM)
L–161N L–161ND
L–162
Insert right unit (unit inserted into a slot set with another type of unit) High Laser Temperature (HLT) L 162 L–162N L–162ND I–161ND Replace unit
Cooling Fans Failure (CFF)
FAN
Check the fan units and substitute the faulty one Unit missing
(RUM)
FAN
All rights reserved. Passing on and copying of this document, use and communication of its contents not permitted without written authorization from Alcatel. 04.10 MAINTENANCE BOARD ACRONYM NAME AND ACRONYM OF DISPLAYED ALARM Unit missing
(RUM) Insert missing unit
Unit Problem
(RUP) Replace unit
Unit type mismatch (RUTM)
CONGI
Insert right unit (unit inserted into a slot set with another type of unit)
LAN problem (LAN)
CONGI
This alarm type is present only on 1650SMC or 1660sm. Check LAN interconnection or substitute CONGI unit Battery Failure
(BF)
According to the CONGI slot check the station battery. (Battery A or Battery B)
Fuse Failure
(FF) Substitute the fuse on the CONGI unit.
Unit missing
(RUM) Insert missing unit
Unit Problem
(RUP) Replace unit
Unit type mismatch
(RUTM) SERGI
Insert right unit (unit inserted into a slot set with another type of unit)
Battery Failure
(BF) Check the Station Battery connected to the unit
Fuse Failure
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