Alarm Descriptions
DN00283923 © Nokia Corporation 1 (14)
Issue 2 DRAFT 1 - en Nokia Proprietary and Confidential
Alarm Descriptions
The information in this document is subject to change without notice and describes
only the product defined in the introduction of this documentation. This document is
intended for the use of Nokia Networks' customers only for the purposes of the
agreement under which the document is submitted, and no part of it may be
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Nokia Networks welcomes customer comments as part of the process of continuous
development and improvement of the documentation.
The information or statements given in this document concerning the suitability,
capacity, or performance of the mentioned hardware or software products cannot be
considered binding but shall be defined in the agreement made between Nokia
Networks and the customer. However, Nokia Networks has made all reasonable
efforts to ensure that the instructions contained in the document are adequate and free
of material errors and omissions. Nokia Networks will, if necessary, explain issues
which may not be covered by the document.
Nokia Networks' liability for any errors in the document is limited to the documentary
correction of errors. Nokia Networks WILL NOT BE RESPONSIBLE IN ANY EVENT
FOR ERRORS IN THIS DOCUMENT OR FOR ANY DAMAGES, INCIDENTAL OR
CONSEQUENTIAL (INCLUDING MONETARY LOSSES), that might arise from the
use of this document or the information in it.
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Other product names mentioned in this document may be trademarks of their
respective companies, and they are mentioned for identification purposes only.
Copyright © Nokia Corporation 2001. All rights reserved.
0523
Hereby, Nokia Corporation, declares that this Nokia InLite is in compliance with
the essential requirements and other relevant provisions of Directive: 1999/5/EC.
The product is marked with the CE marking and Notified Body number according
to the Directive 1999/5/EC
FCC FCC §15.21 - Information to user - The Nokia InLite is used as an intentional
radiated equipment and any changes or modifications on the equipment without
any approval by Nokia could void the user's authority to operate the equipment.
FCC §15.27 b) - Special Accessories - If a device requiring special accessories
is installed by or under the supervision of the party marketing the device, it is the
responsibility of that party to install the equipment using the special accessories.
For equipment requiring professional installation, it is not necessary for the
responsible party to market the special accessories with the equipment. However,
the need to use the special accessories must be detailed in the instruction
manual, and it is the responsibility of the installer to provide and to install the
required accessories.
2 (14) © Nokia Corporation DN00283923
Nokia Proprietary and Confidential Issue 2 DRAFT 1 - en
FCC §15.105 - Information to user - This equipment has been tested and found
to comply with the limits for a Class B digital device, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
DN00283923 © Nokia Corporation 3 (14)
Issue 2 DRAFT 1 - en Nokia Proprietary and Confidential
Alarm Descriptions
History
Date Version Author Details
March 2001 Version 1 Brian Searle
20 - 07 - 2001 Version 2 Draft 1 Tom Dumic Included US Type Approval information
22 - 08 - 2001 Issue 2 Tom Dumic Release for Product v1.0 US
05 - 09 - 2001 Issue 2, Draft 1 Tom Dumic Draft for Product v2
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1 About this document
This document describes the Nokia InLite system alarms. The document provides
detailed explanations of the alarms and provides instructions so that the operator
can correct faults and maintain traffic in the air interface. All alarms can be
monitored via the InLite Supervisor software Version 2.3.2
The document includes:
• Detailed alarm instructions for InLite system
• Alarm classification (Major on Minor)
• Actions to take for each alarm
About this document
DN00283923 © Nokia Corporation 5 (14)
Issue 2 DRAFT 1 - en Nokia Proprietary and Confidential
Alarm Descriptions
6 (14) © Nokia Corporation DN00283923
Nokia Proprietary and Confidential Issue 2 DRAFT 1 - en
2 Nokia InLite system alarms
2.1 Alarm classification
Alarms are classified in two categories that are sent to BTS external alarms.
• Major Alarm=>Indicating service effecting failure
• Minor Alarm=> Indicating a non-service effecting failure
Nokia InLite system alarms
2.2 Main Unit alarms
2.2.1 Switch matrix unit alarms
Alarm Description
Excess RF
input power*
* This feature is NOT available for InLite 1.0 US.
TRX with a RF power
higher than the Over Power
threshold. The TRX’s
indicator is red.
Alarm
Category
Major Yes Reduce the TRX output
Auto
Recovery
Action
power to less than +33
dBm(2W). Note: the
nominal TRX port input RF
power is +30dBm(1W)
maximum
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Table 1. Switch Matrix Unit Alarms
2.2.2 Control Unit alarms
Alarm Descriptions
Alarm Description
CU AL CU alarm for Self Test
Failure: one or more units
in the system do not
respond to CU queries.
Red led is ON.
BkUp PSU or External
Temperature alarm: an
alarms backup has been
performed and stored in
the CU to avoid the loss of
data if the system power
supply drops. Red led is
ON.
System Al All alarms; red led is ON
and alarm is either major or
minor.
Table 2. Control Unit alarms
Alarm
Status
Auto
Recovery
Action
Major Yes Remove the faulty unit(s)
and insert known good
units; check that the
system functions correctly.
Major Yes See PSU alarms
description
- - See Figure Alarm
2.2.3 Local Unit alarm
Alarm Description
UPLINK Alarms
Tone_L UL Tone transmitted by RU
below the threshold (Low).
Tone_F UL Tone transmitted by RU
absent (Fail)
General Alarms
Alarm
Status
Auto
Recovery
Action
Minor Yes Clean UL Fiber Optical
cable or replace if if it is
damaged or stretched.
Major Yes RU laser broken,
switched off or fibre optic
cable broken; check RU
or fibre optic cable.
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Nokia InLite system alarms
Alarm Description
RF_UL_F Current of the RF uplink
amplifier out of range
RF_DL_F Current of the RF Downlink
amplifier out of range
DL_LA_F Downlink laser broken or
switched off by the Shut
Down command.
SH_AL Board in short-circuit
condition or no power
supply to LU
TEM_AL Temperature alarm out of
range:[0...+75](C
Table 3. Local Unit alarms
Alarm
Status
Auto
Recovery
Action
Minor No Remove and fit a known
good unit
Minor No as above
Minor Yes/No Yes: Switch ON LU laser
by Shut Down command
No: LU laser broken,
remove and fit a known
good LU.
Minor No Remove and fit a known
good unit
Minor Yes Wait until the temperature
returns to the normal
operating range. Check
LU board.
2.2.4 Power Supply Unit alarms
Alarm Description
Pw1_Temp
(Master)
Pw2_Temp
(Slave)
Pw1_Vout
(Master)
Pw2_Vout
(Slave)
Pw1_Vin
(Master)
Pw2_Vin
(Slave)
Power supply temperature
critical; System Shut Down.
Red led is ON.
Power supply voltage out of
range; System Shut Down.
Red led is ON.
Mains voltage out of range;
System Shut Down. Red
led is ON.
Alarm
Status
Auto
Recovery
Action
Major Yes System Shut Down while
temperature over
threshold.
Major No Remove the module and
fit a known good one.
Major No Check the mains supply
source
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Table 4. Power Supply Unit alarms
2.2.5 Other alarms
Alarm Descriptions
Alarm Description
Ext_Temp Temperature in the Main
Unit cabinet above the
threshold. System Shut
Down. Red led is ON.
OpDoor
(Open Door)
The cover of Main Unit is
open. Red led is ON.
Table 5. Other alarms
2.3 Remote unit alarms
Alarm Description
DC_Loop Antenna connector open
(no load). Max attenuation
of the downlink paths of the
RU is automatically set.
Alarm
Status
Major Yes System Shut Down while
Minor Yes Close and lock the main
Alarm
Status
Minor Yes Check if antenna is
Auto
Recovery
Auto
Recovery
Action
the temperature value
exceeds the threshold.
unit cover.
Action
connected or correct type.
DL_Tone Downlink RF tone below
the threshold.
DL_OptP Downlink Optical Power
below threshold: automatic
DL laser shut down of the
RU.
AGC Automatic Gain Control: out
of range
DL_900 900 MHz Downlink amplifier
current out of range
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Minor Yes Clean DL fibre optic cable
or fit a new cable if this
one is damaged or
stretched.
Minor Yes as above.
Minor Yes as above.
Minor No Remove the RU and fit a
known good RU
Nokia InLite system alarms
Alarm Description
DL_1800 1800 MHz Downlink
Alarm
Status
Minor No as above
Auto
Recovery
Action
amplifier current out of
range
Ext1 External alarm Minor Yes Depends on what is
connected to the External
Alarm
Ext2 External alarm Minor Yes Depends on what is
connected to the External
Alarm
Table 6. Remote Unit alarms
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Alarm Descriptions
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3 Alarm Tree
Alarm Tree
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Major
Excess
RF Input
Power
CUAL
Alarm Descriptions
Pw1_Temp (Master)
Pw2_Temp (Slave)
Pw1_Vout (Master)
System Al
Minor
Bkup
Tone_F
Tone_L
RF_UL_F
RF_DL_F
TEM_AL
TEM_AL
DC_Loop
AGC
DL_900
DL_1800
Pw2_Vout (Slave)
Pw1_Vin (Master)
Pw2_Vin (Slave)
Ext_Temp
SH_AL
DL_Tone DL_OptP
DL_LA_F
Ext1
Ext2
OpDoor
(Open
Door)
SM
CU
LU
RU
PSU
HS
NOTE: In case of InLite release 1.0 (U.S) this function is not available
Figure 1. Alarm
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