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List of Alarms to be monitored by NOC

Version: 1.1

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TABLE OF CONTENTS

1.  External/environmental alarms .....................................................................................................3 2.  List of bts Alarms..........................................................................................................................4 3.  Transmission alarms ....................................................................................................................5 4.  List of BSC alarms .......................................................................................................................5 5.  Oss alarms...................................................................................................................................6 6.  Special note .................................................................................................................................6 7.  New Network elements/ features..................................................................................................6 

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1. EXTERNAL/ENVIRONMENTAL ALARMS

The following External/Environmental Alarms need to be monitored andescalated to respective teams by NOC.

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2. LIST OF BTS ALARMS

The following BTS/BCF alarms need to be monitored real time by NOC and

need to be escalated to concerned teams (Field+BO).

Service Affecting Alarms (related to BTS/BCF)

Alarm No. Description

7701 BCF Initialization

7704 PCM Failure

7706 BTS O&M Link Failure

7767 BCCH Missing

Quality Alarms

Alarm No. Description

7601 BCF Operation Degraded

7604 BTS Operation Degraded7606 TRX Faulty

7607 TRX Operation Degraded

7738 BTS with no Transactions

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3. TRANSMISSION ALARMS

The following Transmission alarms need to be monitored real time by NOCand need to be escalated to concerned teams (Field+BO).

Transmission Alarms

2925 SLIP FREQUENCY LIMIT EXCEEDED

8099 RECEIVED BIT ERROR RATIO (BER) > 1E-3

2923 CRC BIT ERROR RATIO OVER LIMIT

4. LIST OF BSC ALARMS

The following BSC alarms need to be monitored real time by NOC and needto be escalated to concerned teams (BSC+BO).

BSC AlarmsAlarm No. Description

2072 Failure in Signaling link Activation or Restoration

2250 Failure in D-Channel Activation or Restoration

2347 Power Supply Failure in CPU

2471 Radio Network Recovery Failed

2477 Global Reset Message Received

2478 Mobile Access Classes Abnormal

2632 Oscillator Failure

2692 Incorrect Working State

2756 Cartridge Power Supply failure

2757 Cartridge Non-Redundant Power Supply Failure

2758 Power Supply Adapter Failure

2759 Power supply Fuse Failure

2760 HWAT Failure

2764 CLS Failure

2801 O&M Network System Unreachable

2860 Disk Failure

2948 Radio Network Initialization

2992 BTS & TC Unsynchronized Clear Calls on A Interface

2993 BTS & TC Unsynchronized Clear Calls on Abis Interface

3019 Network Service Entity Unavailable

9108 Failure in OMC-NE Communication link

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5. OSS ALARMS

The following OSS alarms need to be monitored real time by NOC and needto be escalated to concerned teams (OSS+BO).

OSS Alarms

9304 File system is becoming Full

9041 Process recovery is needed repeatedly

9010 Process recovery Fails

6. SPECIAL NOTE

This list of alarms has been prepared on the basis of day to day Operationsexperience. This should not be taken as a final version. Extreme care has been taken toprepare this list but there may be alarms which have never appeared in the network to date

and they may be service effecting. To avoid such occurrences it is recommended to updatethis list on monthly basis or when needed.

It is also recommended to monitor the whole network without applying anyfilters by NOC personal at a regular interval of four hours and check for any abnormalalarm. Such alarm should be immediately escalated to vendor BO team for further analysis.

7. NEW NETWORK ELEMENTS/ FEATURES

Alarms of any new NE or any new feature should be communicated tosurveillance teams by concerned Network acceptance teams (TP rollout + TP acceptance)