Ericsson RBS 2401 User Manual Download Page 97

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PRELIMINARY

Maintenance and Spare Parts

Switch off the AC mains power.

P004888A

Figure 121

Connect the ESD wrist strap.

P004712A

Figure 122

LZN 302 14

P3A-1

1999-11-10

97 (158)

Summary of Contents for RBS 2401

Page 1: ...P R E L I M I N A R Y E RBS 2401 User s Guide RBS 2401 User s Guide Ericsson Radio Systems AB All Rights Reserved LZN 302 14 P3A 1 1999 11 10 1 158 Ericsson Radio Systems AB All Rights Reserved...

Page 2: ...1 User s Guide Due to continued progress in methodology design and manufacturing the contents of this document are subject to revision without notice 2 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio S...

Page 3: ...6 2 6 Other Hazards 17 3 Site Planning and Product Data 19 3 1 Site Requirements 19 3 1 1 Preconditions 19 3 1 2 Environmental requirements 19 3 1 3 Antenna System 20 3 2 Product Data RBS 2401 21 3 2...

Page 4: ...stallation and Test of Optional HDSL Module 68 4 5 1 Installation of HDSL Module 69 4 5 2 Test of HDSL Module 80 4 6 Concluding Routines 80 4 7 Test Record 81 4 7 1 Site Data 81 4 7 2 Test Result 81 4...

Page 5: ...33 5 4 Preventive Maintenance 138 5 5 Concluding Routines 147 5 5 1 Transport of a Faulty Unit 147 5 5 2 Report of Finished Work 147 5 5 3 Repair Delivery Note Blue Tag 147 5 6 Spare Parts 151 5 6 1 C...

Page 7: ...order to do the installation test and maintenance work according to this manual the work shall be done by a skilled person Note Local safety regulations may require that all work installation repair...

Page 8: ...ut this manual has been revised as follows 1 2 1 R1A to R2A Information affecting several chapters Information about HDSL module included Information about AGW included Chapter Safety modified Chapter...

Page 9: ...her languages in which the manuals or instructions are printed is necessary The safety information in the relevant manuals presupposes that any person performing work on Ericsson products or systems h...

Page 10: ...d electrostatic discharge P002644A Figure 3 Radio frequency radiation P002645A Figure 4 Electrical hazard P002646A Figure 5 Electrostatic discharge Warnings are used throughout this manual to alert th...

Page 11: ...t contact via damp items or moisture can be fatal The AC installation must be carried out according to local regulations These regulations may require the work to be carried out by a qualified and aut...

Page 12: ...ION Verify that the cable markings correspond before connecting cables Faulty Electric Tools WARNING Do not repair a faulty electric tool yourself Hand it over to your supervisor in exchange for a fun...

Page 13: ...arges may remain for a considerable period of time Handling of printed board assemblies and IC components Always use an approved antistatic bracelet to avoid damage to components mounted on printed bo...

Page 14: ...on a mast tower or a roof the following precautions must be taken Personnel working at heights must have the appropriate training and medical certificate Full body safety harness and safety helmet mu...

Page 15: ...gle The ladder s inclination should be approximately 1 4 75 Position the ladder according to its gradation indicator if there is one or check the angle with your elbow Use the ladder foot or a ladder...

Page 16: ...one foot with the ladder when working on it This will reduce the risk of falling Never climb the topmost four rungs of a ladder If you have to climb up on a roof the ladder should extend at least one...

Page 17: ...on as possible After completing work on cables seal the cable ducts according to the regulations for the building Minimize the amount of inflammable material Avoid storing empty packaging material on...

Page 19: ...reconditions P004704A Figure 9 Access to AC mains power Access to transmission network Access to site premises 3 1 2 Environmental requirements Required Space for Service P004587A 300 200 1000 500 Mea...

Page 20: ...C Min 5 C Figure 11 3 1 3 Antenna System There are two alternatives External antenna if available Omnidirectional antenna optional P004614A Figure 12 RBS 2401 with omnidirectional antenna optional mo...

Page 21: ...a RBS 2401 3 2 1 Main Units P004753B 1 2 3 4 5 Figure 13 RBS 2401 main units 1 Front cover 2 Radio cabinet 3 Wall bracket 4 Omnidirectional antenna Optional 5 HDSL module or AGW Optional LZN 302 14 P3...

Page 22: ...40 C 40 to 70 C 25 to 55 C Rel humidity 10 to 85 RH Soundless Operation RBS 2401 does not make any noise when in operation Resistance against Vibrations The RBS 2401 withstands vibrations below 0 2 g...

Page 23: ...5 mm 2 P004799A 16 mm AC Figure 15 AC Mains Limiting Values Table 1 AC mains limiting values Frequency Short circuit current Inrush current phase typical 10 ms 50 Hz max 50 A 5 kA 60 Hz max 60 A 5 kA...

Page 24: ...transmission interfaces a balanced twisted pair cable with impedance 100 is required Interfaces Max 1 5 mm 2 16 mm P004640A 16 mm PCM B PCM A Figure 17 RBS 2401 is equipped with four transmission port...

Page 25: ...al Note The omnidirectional antenna should not be used together with an HDSL module or AGW due to the risk of interference If an HDSL module or AGW is installed an external antenna should be used Both...

Page 26: ...Product Data for RBS 2401 Temperature and Humidity Limits Same limits as for RBS 2401 Soundless operation The HDSL module does not make any noise when in operation Resistance against vibrations The HD...

Page 27: ...cade Connection There are three cascade configurations possible Table 2 Configuration PCM A PCM B 1 HDSL 1 pair HDSL 1 pair 2 G 703 E1 120 HDSL 1 or 2 pair 3 HDSL 1 or 2 pair G 703 E1 120 3 4 Product...

Page 28: ...by the radio cabinet Power consumption Nominal 4 9 W Maximum 5 7 W Interfaces 16 mm P005469A Figure 22 The AGW is equipped with one transmission terminal modular for connection against Ethernet LAN Ca...

Page 29: ...1 Pencil 1 2 Measuring tape 1 3 Spirit level 1 4 Ratchet wrench with 3 8 socket set 1 5 Screwdriver 3 mm wide 1 6 Screwdriver TORX Tx10 1 7 Screwdriver TORX Tx20 1 8 Side cutting plier 1 9 U ring wren...

Page 30: ...Kit for GSM 1800 LPB 112 02 1 TEMS Kit for Dual Band GSM 900 1800 LPB 112 12 1 TEMS Kit for GSM 1900 LPB 112 03 1 Cable Kit for MS Test Call NTM 201 2216 1 Mobile Station Cable LPB 112 294 5 1 Transmi...

Page 31: ...e 5 Cable kit NTM 201 2216 1 Item Description Qty C27 MS cable 1 Ad21 Adapter 1 A21 Attenuator 30 dB 2 W 3 TEMS Kits Table 6 TEMS Kits Description Product Number TEMS Kit GSM 900 LPB 112 01 1 1 TEMS K...

Page 32: ...atform BSCSim II application software Cable Kit User s Guide 4 2 Installation of Radio Cabinet 4 2 1 Installation Procedure Overview Setting the Transmission Switch es Mounting the Fuses Mounting the...

Page 33: ...3 4 6 7 8 5 P004808A Figure 26 1 Front cover 2 Fuses and holder 3 PCM cable 4 Jumper cable length 1 m 5 Wall bracket 6 HDSL module or AGW Optional 7 Antenna Optional 8 Radio cabinet LZN 302 14 P3A 1...

Page 34: ...e wall bracket P004707A 255 45 335 x y 255 Units of measurements mm Figure 27 Defining the position of the radio cabinet in relation to the wall bracket reference screw Wall 255 x min 555 mm Celing 45...

Page 35: ...ace the wall bracket in position with the reference screw P004709 Figure 29 3 Level the wall bracket and mark the holes for the four fastening screws P004710A Figure 30 LZN 302 14 P3A 1 1999 11 10 35...

Page 36: ...R Y Installation and Tests 4 Mount the wall bracket P004711A Figure 31 5 Mount the radio cabinet on the wall bracket P004525A Figure 32 36 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Systems AB Al...

Page 37: ...I M I N A R Y Installation and Tests 6 Secure the radio cabinet on the wall bracket with the two screws P004526A Tx20 Figure 33 LZN 302 14 P3A 1 1999 11 10 37 158 Ericsson Radio Systems AB All Rights...

Page 38: ...and regulations Only a qualified and authorized electrician is permitted to install or modify the electrical installation DANGER High voltage is used in the operation of this equipment Both direct con...

Page 39: ...R Y Installation and Tests 1 Remove the installation box cover P004877A Tx20 Figure 34 2 Connect the ESD wrist strap P004712A Figure 35 LZN 302 14 P3A 1 1999 11 10 39 158 Ericsson Radio Systems AB Al...

Page 40: ...sts 3 Dismount the cable gland plate P004718A Tx20 Figure 36 4 Dismount the earth clamp P004719A Tx10 Figure 37 5 Unplug the terminal blocks P004720 A Figure 38 40 158 LZN 302 14 P3A 1 1999 11 10 Eric...

Page 41: ...le is used continue with Section 4 5 on page 68 Otherwise continue with the steps below 7 Thread on the cable gland parts P004860A 120 ohm Figure 39 8 Strip the cable and the wires P004861A 50 40 5 Un...

Page 42: ...ection cable is supplied with the RBS 2401 Note If another cable is used it must be earthed To do this connect the PCM_OUT_N_LINE to PCM_OUT_GND 75 W 100 120 W P004723A P Line N Line GND GND Figure 42...

Page 43: ...PCM_A_OUT_P_LINE PCM_A_IN_GND PCM_A_IN_N_LINE PCM_A_IN_P_LINE PCM A X3 1 6 1 Figure 44 PCM A cascade connection P004725A PCM_B_OUT_GND PCM_B_OUT_N_LINE PCM_B_OUT_P_LINE PCM_B_IN_GND PCM_B_IN_N_LINE P...

Page 44: ...tor 11 Connect the AC mains cable Note Connection to AC mains supply must be done by an authorised electrician max 2 5 mm 70 30 2 5 mm P004727A Figure 47 AC mains cable P004728A 1 230 V AC 115 V AC 1...

Page 45: ...Installation and Tests 12 Remount the cable gland plate P004729A Tx20 Figure 49 13 Connect the protective earth cable P004730A Tx20 Figure 50 LZN 302 14 P3A 1 1999 11 10 45 158 Ericsson Radio Systems...

Page 46: ...M I N A R Y Installation and Tests 14 Plug in the terminal blocks P004731A Figure 51 15 Mount the earth clamp P004732A Figure 52 46 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Systems AB All Rights...

Page 47: ...e cable glands P004857A Figure 53 17 Set transmission alternative Not required for PCM B when terminated P004733A 75 100 120 75 100 120 PCM_A PCM_B Reset Local Remote Figure 54 LZN 302 14 P3A 1 1999 1...

Page 48: ...Note Throw away the bag with the fuses not used marked with wrong amperage P004735A 115V 5x20 T3 15 A 230V 5x20 T2 5 A Figure 55 19 Insert the fuse holder in the fuse compartment P004805A 1 0 P O W E...

Page 49: ...If the RBS is to be tested now perform the tests according to Section 4 3 Test of Radio Cabinet on page 51 P004615A Figure 57 21 Mount the installation box cover Tx20 P005034A Figure 58 LZN 302 14 P3A...

Page 50: ...9A Figure 59 4 2 5 Extension and Reconfiguration Cascading 46 4 W PCM A PCM B P004866A PCM PCM A PCM B Figure 60 Cascade connection Master RBS and four Extension RBSs The 100 120 connection shown 50 1...

Page 51: ...4641A 46 4 W PCM A PCM B Figure 61 PCM B terminated with a 46 4 resistor 4 3 Test of Radio Cabinet 4 3 1 User Interface Optical Indicators P004867A Fault Operational Local Mode Power On Figure 62 LZN...

Page 52: ...s Symbols Showing LED Status P004986A OFF ON FLASHING Fault Operational Local Mode Power On Figure 63 Switches and Connectors P004738A 1 0 P O W E R OMT Figure 64 52 158 LZN 302 14 P3A 1 1999 11 10 Er...

Page 53: ...Mains Power Test MS Test Call using BSC Simulator Optional Start up P004973A Figure 65 4 3 3 Test Procedure AC Mains Test DANGER High voltage is used in the operation of this equipment Both direct con...

Page 54: ...ical indicators are as shown in the picture below During start up the Local Remote indicator is flashing and turns off when contact with the BSC has been established Wait for the start up to complete...

Page 55: ...e Reset P005318A Fault Operational Local Mode Power On Figure 68 2 Connect the OMT The BSC simulator BSCSimII is shown below but any PC with OMT software R7C or later will do P004856A Figure 69 Connec...

Page 56: ...r information see OMT User s Manual MS Test Call using BSC Simulator Optional Test This test is performed if no transmission network is available The test is passed when a test call has been made on o...

Page 57: ...l Remote indicator starts flashing and turns off when contact with the BSC has been established Transmission Test Optional Test This test is performed if a transmission problem occurs or if integratio...

Page 58: ...st mobile is initiated Note With the ARFCN it is possible to lock the test mobile on a specific TRX 5 Request the BSC operator to check which one of the TRXs has been defined to carry the BCCH 6 Choos...

Page 59: ...s cross sectional areas must always be selected in accordance with local laws and regulations Only a qualified and authorized electrician is permitted to install or modify the electrical installation...

Page 60: ...E L I M I N A R Y Installation and Tests 2 Remove the cover P005462A Figure 76 3 Connect the DC cable P005195A Figure 77 60 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Systems AB All Rights Reserv...

Page 61: ...Installation and Tests 4 Plug in the transmission cable P005194A Figure 78 5 Strip the AC cable max 2 5 mm 70 30 2 5 mm P004727A Figure 79 LZN 302 14 P3A 1 1999 11 10 61 158 Ericsson Radio Systems AB...

Page 62: ...gh the cable gland P005197A Figure 80 7 Connect the AC cable P004728A 1 230 V AC 115 V AC 1 LINE LINE NEUTRAL LINE X1 1 2 X1 1 2 Figure 81 8 Connect the earth cable P004730A Tx20 Figure 82 62 158 LZN...

Page 63: ...s 9 Run LAN cable through gland and shrink on the modular connector P005463A 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Figure 83 10 Plug in the LAN cable P005258A Figure 84 LZN 302 14 P3A 1 1999 11 10 63 158 Er...

Page 64: ...L I M I N A R Y Installation and Tests 11 Remount the cover P005461A Figure 85 12 Tighten the cable glands P005459A Figure 86 64 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Systems AB All Rights Re...

Page 65: ...t external antenna cable s The antenna connector not used is to be terminated with a 50 resistor P005230A Figure 87 14 Remount the front cover on the AGW P005443A Figure 88 LZN 302 14 P3A 1 1999 11 10...

Page 66: ...ount the installation box cover Tx20 P005439A Figure 89 16 Set the transmission switches to 120 P005457A 75 100 120 75 100 120 PCM_A PCM_B Reset Local Remote Figure 90 66 158 LZN 302 14 P3A 1 1999 11...

Page 67: ...ts 17 Install the fuses P004735A 115V 5x20 T3 15 A 230V 5x20 T2 5 A Figure 91 18 Insert the fuse holder in the fuse compartment P005456A 1 0 P O W E R Figure 92 LZN 302 14 P3A 1 1999 11 10 67 158 Eric...

Page 68: ...l installation may cause fire or electrical shock Approved circuit breakers for the AC mains and the cable s cross sectional areas must always be selected in accordance with local laws and regulations...

Page 69: ...tion of HDSL Module 1 Mount the module with six screws two on each side and two screws on the cable gland plate P005334A Tx20 Figure 94 2 Remove the cover P005337A Tx20 Figure 95 LZN 302 14 P3A 1 1999...

Page 70: ...able and the transmission cables to the radio cabinet P005336A Figure 96 4 Run the transmission cables from the radio cabinet through the opening up to the module P005362A Figure 97 70 158 LZN 302 14...

Page 71: ...70 30 2 5 mm P004727A Figure 98 6 Run the AC cable through the cable gland P005197A Figure 99 7 Connect the AC cable P004728A 1 230 V AC 115 V AC 1 LINE LINE NEUTRAL LINE X1 1 2 X1 1 2 Figure 100 LZN...

Page 72: ...e of the cover P005352A CONFIG HDSL M3 PCM 1 US 1 OR 2 PAIR DS OR NC 2 DS 1 OR 2 PAIR US 3 US DS 1 PAIR NC CONFIG HDSL M3 PCM 1 US 1 OR 2 PAIR DS OR NC 2 DS 1 OR 2 PAIR US 3 US DS 1 PAIR NC US UPSTREA...

Page 73: ...nning number of RBS in the chain mode OFF OFF OFF RBS number 8 SW 7 Reserved in chain mode ON Not applicable SW 8 Usage of external alarm OFF External alarms Table 9 The point to point DXX proprietary...

Page 74: ...ogy ON point to point SW 2 SW 3 ON ON 1 x 2 Mbit s OFF ON 2 x 1 Mbit s asynchronous ON OFF 2 x 1 Mbit s synchronous Line rate point to point ETSI compilant mode OFF OFF 2 x 1 Mbit s partial SW 4 HDSL...

Page 75: ...2 Pair 2 GND US US 46 4 W Configuration mode Transmission to BSC Transmission to cascaded RBS PCM HDSL 2 Pairs PCM HDSL 1 Pair HDSL 1 Pair HDSL 1 Pair HDSL 2 Pairs PCM HDSL 1 Pair PCM Cascade Stand a...

Page 76: ...R Y Installation and Tests 12 Remount the cover on the module P005338A Tx20 Figure 104 13 Tighten the cable glands P005459A Figure 105 76 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Systems AB All...

Page 77: ...ernal antenna cable s The antenna connector not used is to be terminated with a 50 resistor P005230A Figure 106 15 Remount the front cover on the HDSL module P005443A Figure 107 LZN 302 14 P3A 1 1999...

Page 78: ...ransmission switches to 120 P005457A 75 100 120 75 100 120 PCM_A PCM_B Reset Local Remote Figure 108 17 Install the fuses P004735A 115V 5x20 T3 15 A 230V 5x20 T2 5 A Figure 109 78 158 LZN 302 14 P3A 1...

Page 79: ...and Tests 18 Insert the fuse holder in the fuse compartment P005456A 1 0 P O W E R Figure 110 19 Mount the installation box cover Tx20 P005439A Figure 111 LZN 302 14 P3A 1 1999 11 10 79 158 Ericsson R...

Page 80: ...incorporated into this checklist If any check point is not OK do not leave the site until the problem fault has been cleared or investigated Table 11 Checklist Checklist OK 1 LED indicator FAULT is OF...

Page 81: ...te Site Hardware Status Unit Product No Serial No Rev Manufact date RBS 1 Radio cabinet HDSL module AGW 4 7 2 Test Result Visual Installation Check OK Remarks Test Checklist Test OK Failed Remarks Sta...

Page 82: ...IDB Status ON OFF CRC 4 E1 ON OFF TNOM USE 1 TNOM TIMESLOT 1 TNOM NODE ID 1 1 R7 and later TEI Value TEI Value Multidrop Stand Alone RBS 1 RBS 2 RBS 3 RBS 4 RBS 5 82 158 LZN 302 14 P3A 1 1999 11 10 E...

Page 83: ...1 RBS 2 RBS 3 RBS 4 RBS 5 LBO A dB LBO B dB Antenna Installation Test Installation check Remarks Visual check Antenna system used RBS 2401 omnidirectional External MS Test Call using BSC Simulator Op...

Page 84: ...Tests TEST CALL ON AIR INTERFACE TRX Cell ID ARFCN BSIC MS Originated MS Terminated 1 2 Remarks PSTN TO MS CALL OK Failed Remarks HDSL module AGW 4 7 3 Signatures Responsible for Test Record Name Date...

Page 85: ...e The next pages contain an example of a filled in trouble report and a blank trouble report The trouble report should be sent to the nearest FSC Field Support Center for resolution and registration i...

Page 86: ...ocument number R state Site status Site id Site name Trouble symptoms Trouble Desciption Company Issued by Address Date Phone no Memo id Telefax no Trouble Report Comments 03_0179A Figure 113 Example...

Page 87: ...mber or Document number R state Site status Site id Site name Trouble symptoms Trouble Desciption Company Issued by Address Date Phone no Memo id Telefax no Trouble Report Comments Figure 114 Trouble...

Page 88: ...note When the repair delivery note has been completed it must be attached to the faulty unit before sending it for repair The repair delivery note LZF 084 64 can be ordered from the local FSC A descri...

Page 89: ...driver TORX Tx10 1 2 Screwdriver TORX Tx20 1 3 Fluke 8060 Multimeter LPK 102 024 1 4 CB21 Loop Forward Backward connection board LPY 107 757 1 1 Included in LTT 601 045 3 Personal Installation Tool Ki...

Page 90: ...Y Maintenance and Spare Parts RBS 2401 Operational P004867A Fault Operational Local Mode Power On Figure 117 RBS 2401 operational indicated 90 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Systems AB...

Page 91: ...ult s P005392A Fault Operational Local Mode Power On Running on Base application Try to reload BTS software Internal fault Cabinet HW fault Replace the cabinet according to instructions in chapter Mai...

Page 92: ...eam ON 2p 1p Pair 2 Upstream Pair 1 Downstream DC Power On P005400A DC Power ON 1 Pair 1p Upstream ON P005399A 2p 1p Pair 2 Upstream Pair 1 Downstream DC Power On DC Power ON 2 Pair 2p Downstream ON U...

Page 93: ...5 on page 133 Configuration 1 or 2 pair P005398A 2p 1p Pair 2 Upstream Pair 1 Downstream DC Power On Link break Check transmission Line s Configuration 2 pair P005399A 2p 1p Pair 2 Upstream Pair 1 Dow...

Page 94: ...witches is indicated by all three LEDs flashing simultaneously Fault Tracing Guidelines Table 17 LED status Possible cause Suggested action P005402A Operational Lan Link Fault DC power failure Check t...

Page 95: ...with the mains power and indirect contact via damp items or moisture can be fatal CAUTION Sensitive components such as Integrated Circuits IC can be damaged by discharges of static electricity 5 3 1...

Page 96: ...stallation box cover P004869A Tx20 Figure 119 3 Press the Local Remote button to set the RBS in Local mode Local Remote Reset P005318A Fault Operational Local Mode Power On Figure 120 96 158 LZN 302 1...

Page 97: ...intenance and Spare Parts 4 Switch off the AC mains power P004888A 1 0 P O W E R 0 Figure 121 5 Connect the ESD wrist strap P004712A Figure 122 LZN 302 14 P3A 1 1999 11 10 97 158 Ericsson Radio System...

Page 98: ...and Spare Parts 6 Remove the antenna P004897A Figure 123 7 Loosen the earth clamp s P005470A LOOP BACK LO O P FO R W A R D PCM A PC M B PC M A Figure 124 98 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Ra...

Page 99: ...ted within 10 seconds otherwise the PCM line will be lost If the RBS is not cascaded PCM B has been terminated it is not necessary to use the CB21 connection board P004886A LOOP BACK LO O P FO R W A R...

Page 100: ...ve earth wire LOOP BACK LO OP FO RW AR D PCM A PCM B PCM A P004900A Tx20 Figure 127 11 Loosen the cable gland plate P004876A Tx20 Figure 128 12 Disconnect the ESD wrist strap P004712A Figure 129 100 1...

Page 101: ...d Spare Parts 13 Loosen the two cabinet securing screws P004953A Tx20 Figure 130 14 Remove the faulty cabinet and mount a new cabinet P004901A Figure 131 LZN 302 14 P3A 1 1999 11 10 101 158 Ericsson R...

Page 102: ...cure the cabinet by tightening the two securing screws P005049A Tx20 Figure 132 16 Loosen the eight fastening screws for the installation box cover P005053A Tx20 Figure 133 102 158 LZN 302 14 P3A 1 19...

Page 103: ...A Figure 134 18 Dismount the cable gland plate on the new cabinet and mount it on the faulty cabinet P004718A Tx20 Figure 135 19 Mount the cable gland plate with its cables on the new cabinet P004931A...

Page 104: ...B PCM A P004930A Tx20 Figure 137 21 Plug in the PCM terminal s and the AC terminal Note If the RBS is cascaded this step must be completed within 10 seconds otherwise the PCM line will be lost P00493...

Page 105: ...th clamp P004933A Figure 139 23 Mount the fuses in the fuse holder Be sure to use the fuses intended for the actual mains voltage P004735A 115V 5x20 T3 15 A 230V 5x20 T2 5 A Figure 140 LZN 302 14 P3A...

Page 106: ...nance and Spare Parts 24 Insert the fuse holder in the fuse compartment P004805A 1 0 P O W E R Figure 141 25 Mount the antenna P004615A Figure 142 106 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Sy...

Page 107: ...Switch on the AC mains power P004870A 1 0 P O W E R 0 Figure 143 27 Set the RBS in Local mode Local Remote Reset P005318A Fault Operational Local Mode Power On Figure 144 LZN 302 14 P3A 1 1999 11 10 1...

Page 108: ...29 Start the OMT and check that the correct IDB is installed In addition to frequency transmission alternative and RBS type the following parameters are to be checked CRC 4 LBO T1 TNOM USE TNOM NODE I...

Page 109: ...A Figure 147 31 Press the Local Remote button to set the RBS in Remote mode Check that contact has been established with the BSC The Local mode indicator is OFF Local Remote Reset P005319A Fault Opera...

Page 110: ...gure 149 33 To finish the work continue with section Section 5 5 Concluding Routines on page 147 5 3 2 Replacement of Fuses in Radio Cabinet Checking the Fuses 1 Remove the front cover P004858A Figure...

Page 111: ...stallation box cover P004869A Tx20 Figure 151 3 Make sure that the AC mains power is switched on Measure on the AC terminal to verify that the RBS has voltage P004853A V 0 Figure 152 LZN 302 14 P3A 1...

Page 112: ...Figure 153 5 Pull out the fuse holder and check the fuses with an ohmmeter If the fuses are OK replace the RBS according to instructions on Section 5 3 1 on page 95 P004871A 1 0 P O W E R Fuse blown F...

Page 113: ...e the blown fuse and insert a new in the fuse holder P004735A 115V 5x20 T3 15 A 230V 5x20 T2 5 A Figure 155 7 Insert the fuse holder in the fuse compartment P004805A 1 0 P O W E R Figure 156 LZN 302 1...

Page 114: ...157 9 Check the status of the LED indicators to verify that the RBS is operational If not replace the cabinet according to instructions on Section 5 3 1 on page 95 P004867A Fault Operational Local Mo...

Page 115: ...n box cover and tighten the screws Tx20 P004922A Figure 159 11 Mount the front cover P004859A Figure 160 12 To finish the work continue with section Section 5 5 Concluding Routines on page 147 LZN 302...

Page 116: ...Replacement of HDSL Module 1 Remove the front cover on the radio cabinet P005441A Figure 161 2 Remove the installation box cover on the radio cabinet Tx20 P005442A Figure 162 116 158 LZN 302 14 P3A 1...

Page 117: ...emote button to set the RBS in Local mode Local Remote Reset P005436A Fault Operational Local Mode Power On Figure 163 4 Switch off the AC mains power P004888A 1 0 P O W E R 0 Figure 164 LZN 302 14 P3...

Page 118: ...Y Maintenance and Spare Parts 5 Connect the ESD wrist strap P005437A Figure 165 6 Remove the front cover on the module P005443A Figure 166 118 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Systems AB...

Page 119: ...7 Remove the installation box cover on the module P005337A Tx20 Figure 167 8 Disconnect the cables to the PCM terminals from the module M1 and M2 P005471A Figure 168 LZN 302 14 P3A 1 1999 11 10 119 1...

Page 120: ...Disconnect the transmission cable from the radio cabinet depending on configuration M2 M4 or M5 P005458A Figure 169 10 Loosen the two flange plates P005445A Figure 170 120 158 LZN 302 14 P3A 1 1999 1...

Page 121: ...without damaging any cables P005446A Figure 172 13 Configure the new HDSL module according to the configuration used for the replaced module For further information on DIP switch settings refer to cha...

Page 122: ...mains power P004870A 1 0 P O W E R 0 Figure 173 16 Press the Local Remote button to set the RBS in Remote mode Local Remote Reset P005472A Fault Operational Local Mode Power On Figure 174 122 158 LZN...

Page 123: ...Spare Parts 17 Remount the front cover on the module P005443A Figure 175 18 Remount the installation box cover on the radio cabinet Tx20 P005439A Figure 176 LZN 302 14 P3A 1 1999 11 10 123 158 Ericsso...

Page 124: ...ver on the radio cabinet P005440A Figure 177 20 Check the status of the RBS see Table 18 on page 147 5 3 4 Replacement of AGW 1 Remove the front cover on the radio cabinet P005441A Figure 178 124 158...

Page 125: ...box cover on the radio cabinet Tx20 P005442A Figure 179 3 Press the Local Remote button to set the RBS in Local mode Local Remote Reset P005436A Fault Operational Local Mode Power On Figure 180 LZN 30...

Page 126: ...ntenance and Spare Parts 4 Switch off the AC mains power P004888A 1 0 P O W E R 0 Figure 181 5 Connect the ESD wrist strap P005437A Figure 182 126 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio System...

Page 127: ...enance and Spare Parts 6 Remove the front cover on the AGW P005443A Figure 183 7 Remove the installation box cover on the AGW P005192A Figure 184 LZN 302 14 P3A 1 1999 11 10 127 158 Ericsson Radio Sys...

Page 128: ...e to the AGW Ethernet P005258A Figure 185 9 Disconnect the transmission cable from the radio cabinet E1 T1 P005434A Figure 186 10 Disconnect the DC cable from the AGW 7 V DC P005433A Figure 187 128 15...

Page 129: ...e Parts 11 Loosen the two flange plates P005445A Figure 188 12 Loosen the six screws two on each side and two on the cable gland plate P005432A Tx20 Figure 189 LZN 302 14 P3A 1 1999 11 10 129 158 Eric...

Page 130: ...the AGW without damaging any cables P005446A Figure 190 14 Install the new AGW follow the steps above in reverse order 15 Switch on the AC mains power P004870A 1 0 P O W E R 0 Figure 191 130 158 LZN...

Page 131: ...cal Remote button to set the RBS in Remote mode Local Remote Reset P005472A Fault Operational Local Mode Power On Figure 192 17 Remount the front cover on the AGW P005443A Figure 193 LZN 302 14 P3A 1...

Page 132: ...cover on the radio cabinet Tx20 P005439A Figure 194 19 Remount the front cover on the radio cabinet P005440A Figure 195 20 Check the status of the RBS with the new AGW refer to Table 18 on page 147 1...

Page 133: ...nt of Fuse for HDSL Module and AGW 1 Remove the front cover on the radio cabinet P005441A Figure 196 2 Remove the installation box cover on the radio cabinet Tx20 P005442A Figure 197 LZN 302 14 P3A 1...

Page 134: ...Remote button to set the RBS in Local mode Local Remote Reset P005436A Fault Operational Local Mode Power On Figure 198 4 Switch off the AC mains power P004887A 1 0 P O W E R Figure 199 134 158 LZN 30...

Page 135: ...rts 5 Connect the ESD wrist strap P005437A Figure 200 6 Remove the 3 15 A fuse and replace it with a new one Use a nose cutting plier or similar P005423A Figure 201 LZN 302 14 P3A 1 1999 11 10 135 158...

Page 136: ...mains power P004889A 1 0 P O W E R Figure 202 8 Press the Local Remote button to set the RBS in Remote mode Local Remote Reset P005435A Fault Operational Local Mode Power On Figure 203 136 158 LZN 30...

Page 137: ...tion box cover on the radio cabinet Tx20 P005439A Figure 204 10 Remount the front cover on the radio cabinet P005440A Figure 205 11 Check the status of the RBS refer to Table 18 on page 147 LZN 302 14...

Page 138: ...nt Both direct contact with the mains power and indirect contact via damp items or moisture can be fatal CAUTION Sensitive components such as Integrated Circuits IC can be damaged by discharges of sta...

Page 139: ...adio cabinet P004869A Tx20 Figure 207 Removing the installation box cover 3 Press the Local Remote button to set the RBS in Local mode Local Remote Reset P005318A Fault Operational Local Mode Power On...

Page 140: ...ntenance and Spare Parts 4 Switch off the AC mains power P004888A 1 0 P O W E R 0 Figure 209 5 Connect the ESD wrist strap P004712A Figure 210 140 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio System...

Page 141: ...Spare Parts 6 Remove the protective cover p005198a Figure 211 7 Disconnect the cables from the CPI board 8 Unscrew the distance screw P005203A Figure 212 LZN 302 14 P3A 1 1999 11 10 141 158 Ericsson...

Page 142: ...the CPI board Be careful not to damage the LEDs 11 Mount the new CPI board and tighten all screws including the distance screw 12 Connect the cables to the CPI board 13 Remount the protective cover p...

Page 143: ...0 120 75 100 120 PCM_A PCM_B Reset Local Remote Figure 215 15 Mount the fuses in the fuse holder Be sure to use the fuses intended for the actual mains amperage P004735A 115V 5x20 T3 15 A 230V 5x20 T2...

Page 144: ...nd Spare Parts 16 Insert the fuse holder in the fuse compartment P004805A 1 0 P O W E R Figure 217 17 Disconnect the ESD wrist strap P004712A Figure 218 144 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Ra...

Page 145: ...e 219 19 Press the Local Remote button to set the RBS in Remote mode Check that contact has been established with the BSC The Local mode indicator is OFF Local Remote Reset P005319A Fault Operational...

Page 146: ...ce and Spare Parts 20 Remount the installation box cover on the radio cabinet Tx20 P004922A Figure 221 21 Remount the front cover P004859A Figure 222 146 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio...

Page 147: ...ackaging materials as the spare unit was delivered in 5 5 2 Report of Finished Work When a maintenance procedure has been completed a report should be written including a detailed description of actio...

Page 148: ...above 50 C before failure due to Aircondition problem INSTALLATIONS PROJECT ORDER No 36 R XX XXXXX Figure 223 The Blue tag OMT fault log If there is a OMT fault log it should be sent in with the Blue...

Page 149: ...ault Code Received from OMT 17 Factory code Code for manufacturing factory A53 for Ericsson Gavle in Sweden 18 Serial No Serial number of faulty unit ABC123456 19 Manufact year week Manufacturing date...

Page 150: ...P R E L I M I N A R Y Maintenance and Spare Parts 03_0210 This page is intentionally left blank Figure 224 150 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio Systems AB All Rights Reserved...

Page 151: ...These parts that are intended to be replaced on site and sent to an Ericsson Repair Centre for repair Recommended for customer stock Not repairable These parts that are not repairable intended to be...

Page 152: ...ce and Spare Parts 5 6 2 Recommended Spare Parts Exploded View Reset Local Remote 1 0 P O W E R P004923B 1 7 4 2 5 11 12 3 9 10 13 6 8 14 Figure 225 152 158 LZN 302 14 P3A 1 1999 11 10 Ericsson Radio...

Page 153: ...SDF 105 39 1 Cover Cover for HDSL module and AGW 5 NTZ 112 1037 1 Spare parts set Gland plate with cable bushing 6 NTZ 112 1037 2 Spare parts set Fuses 2 5 A 200 250 V fuse holder 20 pcs set 6 NTZ 11...

Page 155: ...roadcast channel for broadcast of general information at a base station on a base station basis BSC Base Station Controller GSM network node for control of one or more BTSs BSCSim Base Station Control...

Page 156: ...y ESD ElectroStatic Discharge FSC Field Support Centre GSM Global System for Mobile communications International standard for a TDMA digital mobile communication system Originally GSM was an abbreviat...

Page 157: ...intenance Centre OMT Operation and Maintenance Terminal The OMT is a terminal that supports functions for handling the RBS on site The terminal can be a portable PC Operation Operation is the normal e...

Page 158: ...a branch A RXB Receiver antenna branch B SW SoftWare SYNC Synchronous T1 Transmission facility for DS1 1544 kbit s TEI Terminal Endpoint Identifier TEI is an identification code carried by a LAPD fram...

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Ericsson RBS 2401, User Manual

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