Nokia MetroSite EDGE Base Station Alarm Descriptions DN00112232 Issue 3-0 en © Nokia Corporation Nokia Proprietary and Confidential Draft 1 (26)
Alarm Descriptions The information in this documentation is subject to change without notice and describes only the product defined in the introduction of this documentation. This documentation is intended for the use of Nokia's customers only for the purposes of the agreement under which the documentation is submitted, and no part of it may be reproduced or transmitted in any form or means without the prior written permission of Nokia.
0523 FCC Hereby, Nokia Corporation, declares that this product 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 §15.21 - Information to user - This product 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.
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Contents Contents 5 List of tables 6 List of figures 7 1 About this document 9 2 2.1 2.1.1 2.1.2 2.2 2.3 2.4 BTS alarm handling 11 Alarm examples 11 Alarms seen at the BSC or NMS 11 Alarms seen at the BTS 13 Troubleshooting faults 13 Fault reporting 14 Alarm reclassification 14 3 3.1 3.
Alarm Descriptions List of tables Table 1. Description of the fields in the alarm description table Table 2. 7208 LOCAL BLOCK Table 3. 7401 EXTERNAL ALARM 7401-7410, EXTERNAL ALARM 1-10 Table 4. 7600 BCF FAULTY Table 5. 7601 BCF OPERATION DEGRADED Table 6. 7602 BCF NOTIFICATION Table 7. 7603 BTS FAULTY Table 8. 7604 BTS OPERATION DEGRADED Table 9. 7605 BTS NOTIFICATION Table 10. 7606 TRX FAULTY 18 18 19 19 20 21 21 22 22 Table 11. 7607 TRX OPERATION DEGRADED Table 12.
List of figures Figure 1. Example 1, active alarms as seen at the BSC 12 Figure 2. Example 2, active alarm as seen at the BSC 12 Figure 3. Alarms view on Nokia MetroSite BTS Manager desktop 13 Figure 4.
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About this document 1 About this document This document provides information on the Nokia MetroSite EDGE Base Station alarms. The alarms are used as a basis for internal fault recovery and fault reporting to the BSC, NMS/2000 and/or the Nokia MetroSite BTS Manager software. This document also gives instructions for the operator on how to correct the faults and maintain traffic in the air interface and/or to protect the units in the base station.
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BTS alarm handling 2 BTS alarm handling This chapter describes Nokia MetroSite EDGE Base Station alarm handling and alarm reclassification. The fields in the alarm description table are also described. 2.1 Alarm examples Alarms can be detected at the BSC, the NMS, or at the BTS. Instructions on how to deal with the alarms is found in the alarm descriptions tables in Chapter 3 of this document.
Alarm Descriptions Figure 1. Example 1, active alarms as seen at the BSC Figure 2. Example 2, active alarm as seen at the BSC The text below the alarm name describes the fault that has caused the alarm. For example, in alarm [2] in Figure 1, the power supply unit is probably broken. Note One alarm can have many different fault reasons. In alarm [2] in Figure 1 the fault is different but the alarm number is the same as in Figure 2.
BTS alarm handling 2.1.2 Alarms seen at the BTS Figure 3 shows how alarms (number, name and fault reason) are seen in the Alarms view on the desktop of the Nokia MetroSite BTS Manager software. Figure 3. 2.2 Alarms view on Nokia MetroSite BTS Manager desktop Troubleshooting faults BTS alarms are described in detail in the alarm description tables found in Chapter 3 of this document. Table 1 describes how to use the alarm description tables.
Alarm Descriptions Troubleshooting faults using alarm description tables 1. Check the alarm number and alarm name and find its alarm description table in Chapter 3 in this document. 2. Find the fault reason in the Fault reason field in the alarm description table. 3. Follow the instructions given in the Instruction field. See also the alarm cancelling information in the Cancelling field. 4. If the fault reason cannot be found in the Fault reason field, follow the instructions given for Other faults.
BTS alarm handling Alarm Output in Figure 4 shows the number and the name of the alarm(s) issued at the BSC in such a fault situation. Also, the object that is the alarm origin is given in brackets. Figure 4. Faulty and degraded object alarm reclassification Fault situation [1]: 1. DN00112232 Issue 3-0 en TRX 1 becomes disconnected and ceases to operate. 7606 TRX FAULTY alarm is issued.
Alarm Descriptions Fault situation [2]: 1. TRX 1 becomes disconnected and ceases to operate. 7606 TRX FAULTY alarm is issued. 2. TRX 2 becomes disconnected, which causes BTS 1 cease to operate. Alarm reclassification discards the new TRX alarm and a BTS alarm, 7603 BTS FAULTY, is issued. Fault situation [3]: 1. TRX 1 becomes disconnected and ceases to operate. 7606 TRX FAULTY alarm is issued. 2. TRX 2 becomes disconnected, which causes BTS 1 cease to operate.
BTS alarm descriptions 3 BTS alarm descriptions This chapter defines the alarms collected from the objects in the Nokia MetroSite EDGE Base Station. 3.1 Using an alarm description table Table 1 describes the information that you will find in the alarm description tables for the Nokia MetroSite EDGE Base Station. A full list of the alarm tables is given in Chapter 3.2 of this document. Table 1.
Alarm Descriptions 3.2 Alarm description tables Table 2. 7208 LOCAL BLOCK 7208 LOCAL BLOCK Severity: Object affected: Object state: Unit: * BCF, or BTS, or TRX Disabled WTxx, HVTx Fault reason: Instruction: Alarm cancelling: No fault reason text with the alarm. 1. No actions required. Automatic. Nokia MetroSite BTS object is blocked with Nokia BTS Manager. Note The alarms from the blocked object are cancelled. Table 3.
BTS alarm descriptions Table 4. 7600 BCF FAULTY 7600 BCF FAULTY Severity: Object affected: Object state: Unit: *** BCF Disabled WTxx, HVTx, HVSx, VIFA Fault reason: Instruction: Alarm cancelling: Power unit is probably broken. 1. If the power supply unit LED is green, check the TRXs and replace the faulty TRX. TRX connectors are probably broken. Automatic. 2. If the power supply unit LED is red, replace the power supply unit. Oven oscillator is broken. 1. Replace the VIFA unit. Automatic.
Alarm Descriptions Table 5. 7601 BCF OPERATION DEGRADED (Continued) 7601 BCF OPERATION DEGRADED Fault reason: Instruction: Alarm cancelling: Cabinet I2 C bus is jammed. 1. Switch the site power Off and On. Automatic. 2. Check the fan unit, the power supply unit and the TRXs. If necessary, replace the faulty unit(s). 3. If the fault reappears, replace the cabinet. The units inside the cabinet can be reused in the new cabinet. Other faults. 1.
BTS alarm descriptions Table 6. 7602 BCF NOTIFICATION (Continued) 7602 BCF NOTIFICATION Temperature inside the TRX is high. 1. Check whether the following alarm is active for fan unit: Automatic. 7605 BTS NOTIFICATION and follow the instructions given for the alarm. 2. Even if there are no active alarms for the fan unit, check that no foreign objects obstruct the airflow. 3. If alarm 7605 is not active, ensure that the ambient temperature of the base station is within acceptable limits.
Alarm Descriptions Table 8. 7604 BTS OPERATION DEGRADED (Continued) 7604 BTS OPERATION DEGRADED ** BTS Enabled WTxx, HVTx Fault reason: Instruction: Alarm cancelling: Other faults. 1. Check whether either of the following alarms is active: Automatic. 7606 TRX FAULTY 7607 TRX OPERATION DEGRADED and follow the instructions given for the active alarm(s). Table 9.
BTS alarm descriptions Note In case of alarm 7606, if a BCCH TRX is affected, the BSC performs a BCCH reconfiguration if possible. Table 11. 7607 TRX OPERATION DEGRADED 7607 TRX OPERATION DEGRADED Severity: Object affected: Object state: Unit: ** TRX Enabled WTxx, HVTx Fault reason: Instruction: Alarm cancelling: Other faults. 1. Replace the faulty TRX. Automatic. Table 12.
Alarm Descriptions Table 13. 7615 RTS IN TEST USE 7615 RTS IN TEST USE Severity: Object affected: Object state: Unit: * RTS Disabled WTxx, HVTx Fault reason: Instruction: Alarm cancelling: No fault reason text with the alarm. 1. No actions required. Automatic. Internal O&M SW is testing the timeslots during TRX test. Table 14.
BTS alarm descriptions Table 16. 7620 INCOMING POWER LOST 7620 INCOMING POWER LOST Severity: Object affected: Object state: Unit: * BCF Enabled HVSx Fault reason: Instruction: Alarm cancelling: No fault reason text with the alarm. 1. Check the mains supply. Automatic. Base station power supply unit has lost its main power. 2. If the mains supply is OK, replace the power supply unit. Note When alarm 7620 is active, it will not be sent to Nokia BTS Manager.
Alarm Descriptions Table 18. 7622 CABINET OPEN 7622 CABINET OPEN Severity: Object affected: Object state: Unit: * BCF Enabled HVCU, WCUA Fault reason: Instruction: Alarm cancelling: Cabinet cover is open. 1. If the cover is attached, ensure it is secured properly. If there is no cover, attach it during normal service operations. Automatic. Table 19.
