User's Manual Part 3

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RBS 2308 and RBS 2309 User’s Guide

9.4.3 Filling in the Checklist

This section describes the checklist to be filled in after the integration has

been completed.

The following checklist is not mandatory but it is strongly recommended. Local

procedures and safety regulations must be evaluated and included in this

checklist.

Table 60 Checklist

Check the following: OK

The indicators on the RRU, IXU, and PSTU (optional) are in the

approved status.

The test equipment has been disconnected from the RBS.

The RBS cabinet and the mo

unting base are free from foreign objects.

All cables are free of damage.

Top a nd bottom of cabin et are free of obs tructions (fo r airflow).

6. The cabinet has been locked, and the screws have been tightened.

All tools have been accounted for.

8. All paperwork has been completed.

9.4.4 Network Element Acceptance Certificate

This section contains a Network Element Acceptance Certificate to be filled in

by the person responsible. See F igure below.

/LZT 720 0027 Uen R8A 2006-06-27

Summary of content (55 pages)

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RBS 2308 and RBS 2309 User’s Guide 9.4.3 Filling in the Checklist This section describes the checklist to be filled in after the integration has been completed. The following checklist is not mandatory but it is strongly recommended. Local procedures and safety regulations must be evaluated and included in this checklist. Table 60 Checklist Check the following: 9.4.4 1. The indicators on the RRU, IXU, and PSTU (optional) are in the approved status. 2.
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RBS 2308 and RBS 2309 User’s Guide NETWORK ELEMENT ACCEPTANCE CERTIFICATE This is to certify that Ericsson AB has delivered, installed and tested the Network Element ............................................................ as defined in contract .................. The Network element acceptance has been performed in accordance with the procedures described in the above mentioned contract. Further reference should be made to the acceptance documents.
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RBS 2308 and RBS 2309 User’s Guide 10 Maintenance This chapter describes the maintenance procedures for the RBS 2308 and RBS 2309. 10.1 Introduction 10.1.1 Target Group The target group for this document is maintenance personnel. To perform maintenance work in a safe and professional way, the work must be done by skilled personnel. The following qualifications are minimum requirements: 10.
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RBS 2308 and RBS 2309 User’s Guide Dimension Torque Nm Remark M4 1.7 Nm ± 0.15 Nm Reduced torque for captive screw M8 21 Nm ± 1.3 Nm Earth nut Table 62 10.3 Connectors Connector Torque Nm Remark TNC 1.7 Nm ± 0.15 Nm – N 2.7 Nm ± 0.2 Nm – Fault Localization Using OMT This section contains information on how to localize a fault when handling an alarm in the OMT.
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RBS 2308 and RBS 2309 User’s Guide − GPS receiver DXU cable: The logical link between the GPS receiver and the IXU − IDB: The installation database stored in the RBS, not the physical storage − Y link: The logical link between IXU and RRU(s) For supplementary information about RU maps, see: Fault List Micro 10.3.1 EN/LZT 720 0466 Reading Fault Status This section describes how to read the fault status, using the OMT. If any fault indicator on the RBS is on, then the fault status must be read.
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RBS 2308 and RBS 2309 User’s Guide 4. In the RBS 2000 menu, select Connect to logically connect the OMT to the RBS. 5. In the Configuration menu, select Read IDB 6. On the Maintenance menu, click Monitor to open the Monitor window. See figure below. P010476A Figure 73 Reading Fault Status 7. In the Available monitors box, select “MO fault maps” and click → to add “RBS” into the Monitors to start box. 8. Click Start monitor. 9.
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RBS 2308 and RBS 2309 User’s Guide Fault List Micro EN/LZT 720 0466 10. When all faults are corrected, close the RBS Event Monitor window. 10.3.2 SO CF RU:0/ IXU This section describes how to localize an SO CF RU:0/ IXU fault. Related RUs The RUs listed below have higher priority than the RU described in this section. If they are present, then proceed to the related section before handling this RU. • If “SO CF RU:34/ IDB” appears in the OMT, then proceed with Section 10.3.
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RBS 2308 and RBS 2309 User’s Guide Related RUs The RU listed below has higher priority than the RU described in this section. If it is present, proceed to the related section before handling this RU. • If “SO CF RU:34/ IDB” appears in the OMT, proceed with Section 10.3.8 SO CF RU:34/ IDB on page 187. Displaying Fault Information Display fault information according to Section 10.3.1 Reading Fault Status on page 177.
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RBS 2308 and RBS 2309 User’s Guide 1 2 6 5 3 Not used P010607A Figure 74 Table 63 Measuring Voltage on RRU Power Cable Pins and Functions Connector Pin Function 1 DC_P 2 DC_N 3 PE 5 AC_L2 6 AC_L1 Resetting RRU 6. Press the RRU reset button on the RRU interface panel connected to the faulty Y link Resetting IXU 7. Press the IXU reset button on the IXU interface panel Checking Y-Link Cable Perform the following actions step-by-step until the fault ceases: 8.
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RBS 2308 and RBS 2309 User’s Guide 9. Check that the cable is free from damage 10. If the Y-link cable is damaged, replace it according to Section 10.5.12 Replacing a Y-Link Cable on page 250 Replacing the RRU 11. Replace the RRU, see Section 10.5.8 Replacing an RRU on page 235 Replacing the IXU 12. Replace the IXU, see Section 10.5.4 Replacing an IXU on page 219 10.3.4 SO CF RU:4/ TIM This section describes how to localize an SO CF RU:4/ TIM fault.
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RBS 2308 and RBS 2309 User’s Guide Resetting IXU 3. Press the IXU reset button on the IXU interface panel. Replacing IXU 4. Replace the IXU, see Section 10.5.4 Replacing an IXU on page 219. 10.3.5 SO CF RU:14/ Battery This section describes how to localize an SO CF RU:14/ Battery fault. Related RUs • If “SO CF RU:31/ Environment” appears in the OMT, together with “SO CF EC2:10/ Mains fail (external power source fail)”, then proceed with Section 10.3.7 SO CF RU:31/ Environment on page 185.
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RBS 2308 and RBS 2309 User’s Guide 10.3.6 SO CF RU:15/ Fan This section describes how to localize an SO CF RU:15/ Fan fault. Related RU The RU listed below has higher priority than the RU described in this section. If it is present, go to the related section before handling this RU. • If “SO CF RU:34/ IDB” appears in the OMT, then proceed with Section 10.3.8 SO CF RU:34/ IDB on page 187 Displaying Fault Information Display fault information according to Section 10.3.1 Reading Fault Status on page 177.
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RBS 2308 and RBS 2309 User’s Guide FAN UNT-01 Fault Test Operational P010581A Figure 75 Fan Unit Test Button 5. Check that the test sequence below is carried out: • The fans run at maximum speed for approximately 5 seconds • The fans run at nominal speed for approximately 5 seconds • The fans stop within approximately 5 seconds 6.
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RBS 2308 and RBS 2309 User’s Guide Displaying Fault Information Display fault information according to Section 10.3.1 Reading Fault Status on page 177. Perform the following actions step-by-step until the fault ceases: Checking IDB Configuration 1. In the Maintenance menu in OMT, select Check IDB to display possible inconsistencies between the HW and the IDB. Ensure that the IDB configuration is in accordance with the HW cabinet configuration regarding defined power system and climate system.
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RBS 2308 and RBS 2309 User’s Guide Checking Incoming DC Power (Optional) 6. Open the MBU cover and use a multimeter to check that the voltage supplying the RBS, is between −40.5 and −60.0 V DC. If a DC supply is not detected, then check the DC supply source. P010497A 10.3.8 SO CF RU:34/ IDB This section describes how to localize an SO CF RU:34/ IDB. Displaying Fault Information Display fault information according to Section 10.3.1 Reading Fault Status on page 177.
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RBS 2308 and RBS 2309 User’s Guide Related RU The RU listed below has higher priority than the RU described in this section. If it is present, then go to the related section before handling this RU. • If “SO CF RU:34/ IDB” appears in the OMT, then proceed with Section 10.3.8 SO CF RU:34/ IDB on page 187 Displaying Fault Information Display fault information according to Section 10.3.1 Reading Fault Status on page 177.
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RBS 2308 and RBS 2309 User’s Guide 13. Replace the faulty equipment identified in the DTF test. Note: The RXBP and MCB are not included in the DTF test. 14. If no faulty equipment was identified, replace the antenna. 10.3.10 SO CF RU:48/ GPS Receiver This section describes how to localize an SO CF RU:48/ GPS Receiver. To avoid complete loss of traffic, have the BSC operator configuring PCM as backup synchronization source (SYNCSRC=DEFAULT).
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RBS 2308 and RBS 2309 User’s Guide • If “SO CF RU:0/ IXU” appears in the OMT, then proceed with Section 10.3.2 SO CF RU:0/ IXU on page 179 Displaying Fault Information Display fault information according to Section 10.3.1 Reading Fault Status on page 177. Perform the following actions step-by-step until the fault ceases: Precondition Before starting this procedure, ensure that the GPS system has no fault and is properly installed. Check IXU GPS Cable 1. Check that the IXU GPS cable is free from damage.
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RBS 2308 and RBS 2309 User’s Guide P011186A Figure 76 Cable Connection Check 48 V 48 V_RTN - 48 V LINK P010514A Figure 77 Connector Connection Check 7. Perform a cold reset on the GPS by disconnecting the termination block for a few seconds. 8. Check that both the −48 V LINK cable and the conductor are free from damage. Replace if needed.
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RBS 2308 and RBS 2309 User’s Guide 9. Check that the voltage is −48 V DC, using a multimeter. 2 mm P011187A 10.3.12 SO TRXC RU:0/ RRU This section describes how to localize an SO TRXC RU:0/ RRU fault. Related RUs The RUs listed below have higher priority than the RU described in this section. If they are present, go to the related section before handling this RU. • If “SO CF RU:3/ Y link” appears in the OMT, then proceed with Section 10.3.
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RBS 2308 and RBS 2309 User’s Guide Resetting RRU 1. Press the RRU reset button on the RRU interface panel. Restarting RRU 2. Switch off the RRU, wait for one minute and switch it on again. Replacing RRU 3. Replace the RRU, see Section 10.5.8 Replacing an RRU on page 235. 10.4 Troubleshooting Using the RBS Indicators This section describes troubleshooting procedures using the RBS indicators. If no faults are detected in the RBS, then the indicators should be in accordance with the tables below.
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RBS 2308 and RBS 2309 User’s Guide Table 67 PSTU Indicator Status When the RBS is in Operation PSTU Indicator State Fault Off Operational On Synchronized On 10/100Base-T On 100Base-LX10 On Transmission OK Off (1) (2) (3) (1) When traffic is active on the electrical Ethernet link. (2) When traffic is active on the optical Ethernet link. (3) For ports A–D If the indicators indicate a fault, see the applicable Section below. 10.4.
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RBS 2308 and RBS 2309 User’s Guide state. See figure below. This sequence is repeated throughout the function change process. Figure 78 Function Change Indication When Operational Indicator Is On Indication of a Function Change When Operational Indicator Is Off When a function change is initiated and the Operational indicator is off, it starts to double-flash and is off during indicator old state. See figure below. This sequence is repeated throughout the function change process.
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RBS 2308 and RBS 2309 User’s Guide Note: 10.4.2 Do not under any circumstances touch the RBS while a function change is in progress, which is indicated by a double-flashing Operational indicator. Corrective Actions for the IXU Fault If the red Fault indicator is on, IXU HW fault(s) are detected.
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RBS 2308 and RBS 2309 User’s Guide If the yellow Local indicator is flashing and the anticipated BSC communication cannot be established, then perform the following actions step-by-step (in close cooperation with the BSC operator) until the fault ceases: • Reset the IXU • Ensure that the expected Transmission OK indicators are on Note: Transmission OK indicators only indicate that the incoming transmission signal is present electrically. The physical transmission connection should still be checked.
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RBS 2308 and RBS 2309 User’s Guide External Alarm If the yellow External alarm indicator is on, external alarm(s) is active in the RBS. Perform the following actions step-by-step until the fault ceases: • Use the OMT to display fault information. See the following instructions: 1. Start the OMT. 2. In the Maintenance menu, select Monitor. 3. Select External Alarms Status. 4. In the Available monitors box, select Alarm inlets and click → to add it to the Monitors to start box. 5. Click Start Monitor. 6.
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RBS 2308 and RBS 2309 User’s Guide 1. Ensure that the RBS AC power switch on the MBU is on. 2. Open the MBU cover and use a multimeter to check that the power input is either 100 V AC to 127 V AC, or 200 V AC to 250 V AC. P010498A 3. Disconnect the power cable from the IXU and use a multimeter to check that the power supply to the IXU is either 100 V AC to 127 V AC, or 200 V AC to 250 V AC. The power is measured between pin 5 and pin 6, see figure below.
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RBS 2308 and RBS 2309 User’s Guide DC Power On If the green DC power on indicator is off, and if DC supply should be available, then perform the following actions step-by-step until the fault ceases, or until the IXU power is confirmed: For more information about RBS DC supply voltage, see: RBS 2308, RBS 2309, and RBS 2109 Hardware Reference Manual EN/LZT 720 0058 1. Ensure that the RBS DC supply switch on the MBU is on. 2.
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RBS 2308 and RBS 2309 User’s Guide 1 2 6 5 3 Not used Figure 81 P010615A Measuring Voltage on IXU Power Cable 4. Replace the PIB in the MBU, see Section 10.5.6 Replacing a PIB on page 227 5. Replace the IXU, see Section 10.5.
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RBS 2308 and RBS 2309 User’s Guide Transmission OK If a TIM is used and a green Transmission OK port indicator is off, even though transmission is expected, then perform the following actions step-by-step until the fault ceases: • Ensure that the TIM is properly mounted, and the selector switch for transmission impedance selection is set correctly for each port • Ensure that the transmission cables have been properly connected to the right port in the IXU, and each cable thread connected to the correct
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RBS 2308 and RBS 2309 User’s Guide Local If the yellow Local indicator is on and if it is not possible to bring the RRU into remote mode, either by using the OMT or by pressing the RRU Local/Remote, then perform the following actions step-by-step until the fault ceases: • Reset the RRU • Replace the RRU, see Section 10.5.8 Replacing an RRU on page 235 If the yellow Local indicator is flashing and BSC communication (though expected) is not established, check the Local indicator on the IXU.
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RBS 2308 and RBS 2309 User’s Guide AC Power On If the green AC power on indicator is off, and if AC power should be available, perform the following actions step-by-step until the fault ceases: For more information about RBS AC power, see: RBS 2308, RBS 2309, and RBS 2109 Hardware Reference Manual EN/LZT 720 0058 • Ensure that the RBS AC supply and RRU power switches on the MBU are on • Open the MBU cover and use a multimeter to check that the power input is either 100 V AC to 127 V AC, or 200 V AC to
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RBS 2308 and RBS 2309 User’s Guide 1 2 6 5 3 Not used P010607A Figure 83 Measuring Voltage on the RRU Power Cable • Replace the PIB in the MBU, see Section 10.5.6 Replacing a PIB on page 227 • Replace the RRU, see Section 10.5.
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RBS 2308 and RBS 2309 User’s Guide P010497A Figure 84 • Measuring the Incoming DC Voltage Disconnect the power cable from the RRU and use a multimeter to check that the voltage, supplying the RRU, is between −40.5 and −60.0 V DC. The power is measured between pin 1 and pin 2, see figure below. 1 2 6 5 3 Not used P010607A Figure 85 206 Measuring the Voltage on RRU Power Cable • Replace the PIB in the MBU, see Section 10.5.6 Replacing a PIB on page 227 • Replace the RRU, see Section 10.5.
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RBS 2308 and RBS 2309 User’s Guide RRU Temp If the yellow RRU temp indicator is on and the conditions are hot, perform the following actions step-by-step until the fault ceases: • Ensure that airflow is not obstructed above or below the RRU, or through its cooling flanges • Install a fan unit on the RRU If the yellow RRU temp indicator is on and the conditions are cold, perform the following: • Ensure that the RRU is provided with AC power for the internal heater Note: Under certain circumstances it
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RBS 2308 and RBS 2309 User’s Guide Caution! Rotating fan blades can cause injury to body parts that come into contact with the blades. Blades in fan units continue to rotate for a period of time, even after the fan has been switched off. Wait until fans have stopped rotating completely before starting work on or near fans. Replacing the Fan Unit 1. Remove the fan unit cover P011263A 2. Disconnect the fan power cable from the RRU. P010543B 3. Loosen the three screws and remove the fan unit.
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RBS 2308 and RBS 2309 User’s Guide 4. Install the new fan unit and fasten the three screws. P010496A 5. Connect the fan power cable to the RRU. P010543A Testing the Fan Unit 6. Press the Test button on the fan unit.
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RBS 2308 and RBS 2309 User’s Guide The fan unit performs a self test 7. Check that the test sequence below is carried out: • The fans run at maximum speed for approximately 5 seconds • The fans run at nominal speed for approximately 5 seconds • The fans stop within approximately 5 seconds 8. Ensure that the indicator status of the fan unit is in accordance with the table below: Table 68 Fan Unit Indicators After Test Fan Unit Indicator Status Fault Off Operational On 9.
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RBS 2308 and RBS 2309 User’s Guide 6. Click Load. Taking the RBS Out of Operation 1. Open the sunshields. 2. Contact the OMC operator to obtain permission to temporarily take cells out of service. Wait until the RF off indicator (on all RRU interface panels) shows a constant light. 3. Press the Local/Remote button on the IXU to set the RBS to local mode. Wait until the local indicator on the IXU shows a constant light.
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RBS 2308 and RBS 2309 User’s Guide 4. Open the two clasps and pull the RRU to the left to gain access to the power switches. P010396A 5. Switch off the AC power and DC power. AC DC P010517A Replacing the Flash Card 6. Disconnect the AC/DC cable and the earth cable from the IXU. P010569A 7. 212 Disconnect the OMT cable.
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RBS 2308 and RBS 2309 User’s Guide 8. Open the IXU cover. P010357B 9. Remove the connection frame and loosen the cables from the IFB. Remove the Y-link cables. P010363A Note: Make a note of which connectors the Y-link cables were connected to.
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RBS 2308 and RBS 2309 User’s Guide 10. Loosen the two securing screws under the IXU and remove the unit. P010365B 11. Remove the cover for the flash card. To remove the flash card, lift up the release lever and then push it in. P010366A 12. Note: Insert the new flash card, reset the lever, then refit the cover. The flash card should be preloaded with the correct software and IDB. For instructions, see Chapter Site Installation Tests. 13.
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RBS 2308 and RBS 2309 User’s Guide Putting the RBS into Operation 17. Switch on the AC power and DC power. 18. If new software has earlier been prepared for loading, it now starts. This may take up to 10 minutes. 19. Close the RRU. 20. Inform the OMC operator that the applicable cells are to be put into service. 21. Press the Local/Remote button on the IXU, and the RRUs to set the RBS to remote mode.
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RBS 2308 and RBS 2309 User’s Guide 3. Press the Local/Remote button on the IXU to set the RBS to local mode. Wait until the Local indicator on the IXU shows a constant light. 4. Open the two clasps and pull the RRU to the left to gain access to the power switches. P010396A 5. Switch off the AC power and DC power.
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RBS 2308 and RBS 2309 User’s Guide Replacing the IFB 6. Open the IXU cover. P010357B 7. Remove the connection frame and all cables from the IFB. P010358A 8. Loosen, but do not remove, the Y-link cables from the cable inlet.
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RBS 2308 and RBS 2309 User’s Guide 9. Remove the TIM after loosening the three screws. (x 3) P010374B 10. Remove the IFB after loosening the seven screws. P010360A 11. Put back the new IFB, the connection frame, and all cables. 12. Put back the TIM. Tighten the screws to 1.7 Nm. 13. Secure the Y-link cables. 14. Reconnect the IXU cover. Putting the RBS into Operation 218 15. Switch on the AC power and DC power. 16. Close the RRU. 17.
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RBS 2308 and RBS 2309 User’s Guide Handling Replaced Units The IFB should be returned to Ericsson for repair with a repair delivery note, LZF 084 84 (Blue Tag) attached. Include a clear description of the fault found. See Section 10.6 Returning Hardware on page 255 for instructions on completing a repair delivery note. 10.5.4 Replacing an IXU This section describes how to replace a faulty IXU. Note: Do not touch the RBS when any indicators are double-flashing. See Section 10.4.
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RBS 2308 and RBS 2309 User’s Guide 4. Open the two clasps and pull the RRU to the left to gain access to the power switches. P010396A 5. Switch off the AC power and DC power. AC DC P010517A Replacing the IXU 6. Disconnect the AC/DC cable and the earth cable. P010569A 7. 220 Remove the OMT cable.
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RBS 2308 and RBS 2309 User’s Guide 8. Open the IXU cover. P010357B 9. If PCM transmission is used: Remove the connection frame and loosen the cables from the IFB. Remove the Y-link cables. Note: Make a note of which connectors the Y-link cables were connected to.
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RBS 2308 and RBS 2309 User’s Guide 10. If IP-based transmission is used: Remove the Ethernet cable connectors from the PSTU. The optical connectors must be protected with connection covers.
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RBS 2308 and RBS 2309 User’s Guide 11. If IP-based transmission is used: Loosen the four screws and remove the PSTU. ( 4) P016064A 12. If IP-based transmission is used: Remove the connection frame and the Y-link cables. Note: Make a note of which connectors the Y-link cables were connected to.
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RBS 2308 and RBS 2309 User’s Guide 13. Loosen the two securing screws under the IXU, and remove the unit. P010365B 14. Remove the cover for the flash card. To remove the flash card, lift up the release lever and then push it in. P010366A 224 15. Remove the cover for the flash card. Insert the old flash card in the new unit and push it down and reset the release lever, ensuring that the flash card is in position. 16.
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RBS 2308 and RBS 2309 User’s Guide Putting the RBS into Operation 23. Switch on the AC power and DC power. 24. Close the RRU. 25. Inform the OMC operator that the applicable cells are to be put into service. 26. Press the Local/Remote button on the IXU to set the RBS to remote mode. Wait until the RF off indicator on the RRU interface panel goes off and the Operational indicator comes on. 27. Close the sunshields.
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RBS 2308 and RBS 2309 User’s Guide 3. Press the Local/Remote button on the RRU to set the unit to local mode. Wait until the local indicator on the RRU shows a constant light. Replacing the MCB 4. Remove the MCB protection cover under the RRU. P010370A 5. 226 Make a note of the cable positions.
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RBS 2308 and RBS 2309 User’s Guide 6. Remove the MCB cable connected to the RRU and the cables connected to the antenna(s). Remove the MCB after loosening the two screws, then disconnect it. TX(/RX) ANT 1 ANT 2 TX(/RX) LOAD MCB P010375A Note: The figure shows an example of an MCB configuration. 7. Mount the new MCB and connect all cables. 8. Put back the MCB protection cover. Note: Ensure that cables are not trapped or damaged by the cover. Putting the RRU into Service 9.