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User Manual
Airbridge cBTS3612-800 12-carrier CDMA Base Station

1 BTS Control Interface Module (BCIM)

03Q-0112-20020720-120

1-3

See Table 1-2 for the description of BCIM DIP switches and jumpers.

Table 1-2

BCIM DIP switches and jumpers

Sequence

number

Function

Description

S2~S9

Selection of: 1) E1 interface matching
impedance (75

/120

); 2) E1

interface unbalanced/unbalanced
mode.

All four digits set to OFF: 120

twisted pairs.

All four digits set to ON: 75

co-axial cable, with sheath

connected with PGND.

Digits 1 and 2 set to ON, and digits 3 and 4 set to OFF:
75

co-axial cable, with sheath not connected with

PGND.

Other settings: Undefined.

Feedback of E1 interface matching
impedance (75

120

) mode. The

program initializes E1 driving chip
based on the status of this jumper.

Connect jumpers 2 and 3: 120

configuration mode.

Connect the others or no connection at all:
75

configuration mode

Содержание Airbridge CBTS3612-800

Страница 1: ... Period Length 1 1 1 3 Guide to the Usage of cBTS3612 800 Routine Maintenance records and cBTS3612 800 Routine Maintenance Instructions 1 2 1 3 1 cBTS3612 800 Daily Unexpected Fault Handling Record 1 3 1 3 2 cBTS3612 800 Monthly Maintenance Record 1 4 1 3 3 cBTS3612 800 Quarterly Maintenance Record 1 5 1 3 4 cBTS3612 800 Yearly Maintenance Record 1 6 2 cBTS3612 800 Monthly Maintenance Instructions...

Страница 2: ...ine maintenance cBTS3612 800 routine maintenance is intended to detect and solve problems in due time to prevent trouble 1 2 Classification of cBTS3612 800 Routine Maintenance Operations 1 2 1 Classification According to Implementing Methods I Conventional maintenance To observe the operation of the system and test and analyze equipment performance during system operation II Unconventional mainten...

Страница 3: ... the Usage of cBTS3612 800 Routine Maintenance records and cBTS3612 800 Routine Maintenance Instructions 1 Note down in details the unexpected faults occurred in cBTS3612 800 daily maintenance operations in cBTS3612 800 Daily Unexpected Fault Handling Record for future reference The user may modify the record according to the actual needs or compile the records into manuals 2 Note down in details ...

Страница 4: ... to BSC Time when fault occurred Time when fault is solved Person on duty Handled by Classification of fault Primary power supply Secondary power supply Base Band Subrack RF Subrack CDU DFU RLDU Subrack Antenna Feeder System Others Fault detected With user complaint From the alarm system In Daily maintenance From other sources Description of fault Alarm Handling Result ...

Страница 5: ...ironment Normal Abnormal Temperature Normal Abnormal Humidity Normal Abnormal Dust proof performance Normal Abnormal Indoor air conditioner Normal Abnormal Call test Normal Abnormal Battery group Normal Abnormal Grounding lightening protection and power supply system Normal Abnormal RF antenna and feeder part Normal Abnormal Satellite antenna and feeder part Normal Abnormal Secondary power supply ...

Страница 6: ...____________ Time of maintenance ____ MM _____ DD _____ YY ____ MM ____ DD ____ YY Maintainer Items Status Remarks Maintenance personnel Primary power supply Normal Abnormal Fans Normal Abnormal Road test Normal Abnormal Alarm collection equipment Normal Abnormal When available Description of fault and handling measures taken Problems remained Monitor check ...

Страница 7: ...ntainer Items Status Remarks Maintenance personnel Call test Normal Abnormal Cabinet sanitation Normal Abnormal BTS power output Normal Abnormal Grounding resistance and grounding wires Normal Abnormal Water proof performance of antenna and feeder connector and lightening protection grounding clip Normal Abnormal Firmness and angle of antenna Normal Abnormal Description of fault and handling measu...

Страница 8: ...ing protection board and power supply system 1 Check the connections in the grounding system and the lightening protection system 2 Check if the power supply system is normal 3 Check if any part of the lightening protector is burnt Keep the lightening protector for the power supply system and the antenna and feeder system in good shape Antenna and feeder part 1 Check if there is any VSWR alarms 2 ...

Страница 9: ...ay be triggered when 1 Some of the fans are unable to rotate 2 Temperature of some of the fans is abnormal 3 Fan rotational speed control is faulty Road test Test on the handoff and coverage area of the cells with a test MS VSWR Check at the maintenance console if there is any VSWR alarms Alarm collection equipment Check if the alarm collection equipment including that on humidity temperature and ...

Страница 10: ...on regulations to prevent mis operation on power supply BTS power output Test the output power of the RFs Check if the output is the same as recorded in the BSC Grounding resistance and grounding wires 1 Measure the grounding resistance with proper test instruments 2 Check if the connector of the grounding wires are normal Water proof performance of antenna and feeder connector and lightening prot...

Страница 11: ...89 19 1 25276 0 1122 20 1 22222 0 1 21 1 19569 0 08913 22 1 17257 0 07943 23 1 15238 0 07079 24 1 13469 0 0631 25 1 11917 0 05623 26 1 10553 0 05012 27 1 09351 0 04467 28 1 08292 0 03981 29 1 07357 0 03548 30 1 06531 0 03162 31 1 058 0 02818 32 1 05153 0 02512 33 1 0458 0 02239 34 1 04072 0 01995 35 1 03621 0 01778 36 1 03221 0 01585 37 1 02866 0 01413 38 1 0255 0 01259 39 1 0227 0 01122 40 1 0202...

Страница 12: ...lection Coefficient 03Q 0112 20020720 120 5 2 Reflection Coefficient G VSWR Return loss dB Γ Ureflected Uforward VSWR Uforward Ureflected Uforward Ureflected RL Uforward Ureflected 20lg Γ 1 alg RL 20 VSWR 1 Γ 1 Γ RL 1 Γ 20lg Γ VSWR 1 VSWR 1 VSWR alg RL 20 1 alg RL 20 1 RL VSWR 1 VSWR 1 20lg ...

Страница 13: ...Fault Analysis and Location 4 1 5 Signaling Link Fault 5 1 5 1 OML Signaling Link Fault 5 1 5 2 Abis Signaling Link Fault 5 2 6 Part Module Fault 6 1 6 1 Description of Part Fault 6 1 6 2 Processing of Common Board Faults 6 2 6 3 BTS Control Interface Module BCIM 6 4 6 4 BTS Control Clock Module BCKM 6 5 6 5 BTS Channel Processing Module BCPM 6 6 6 6 BTS Resource Distribution Module BRDM 6 7 6 7 B...

Страница 14: ......

Страница 15: ...work system identity long code status system time paging channel rate frequency bands on which basic paging channels are etc Once this information is obtained the mobile station will enter the Timing Change Substate In this substate the mobile station will use the pilot PN offset long code status received in the sync channel messages and synchronizes the long code status and system timing with the...

Страница 16: ...lot synchronization paging etc have not been established or overhead messages not updated the mobile station naturally cannot gain access to a network View the confiuguration process report of a cell at the OMC maintenance console If the cell does not report the process of Common channel successfully established and Overhead message successfully updated it shows that the cell has no logic configur...

Страница 17: ...station answer instruction to this mobile station which leads to failed registration of this mobile station Because of failed registration the mobile station enters the system defining sub status and recaptures the system When the system is captured the mobile station will start again the power on registration Such things happen repeatedly so that the mobile station cannot gain access to a network...

Страница 18: ... found at some step handle it according to the corresponding chapter or section For example a BTRM module fault should be handled as described in 6 5 Transceiver Module BTRM VII The cell gain and common channel gain are not correctly set You may see at the OMC maintenance console that the logic configuration of a cell has been completed but the mobile station still cannot gain access to a network ...

Страница 19: ...ork In addition the value of the parameters in each overhead message will also make the mobile station unable to gain access to a network and needs confirming carefully With the air interface message signaling analyzer you may check whether the mobile station has received the overhead messages configured in the whole system In addition you should check whether the parameter value of each overhead ...

Страница 20: ......

Страница 21: ...al Airbridge cBTS3612 450 12 carrier CDMA Base Station 2 Conversation Fault 03Q 0112 20020720 120 2 1 2 Conversation Fault For the content in this chapter please refer to related parts in BSC Maintenance Manual ...

Страница 22: ......

Страница 23: ...et correctly FTP server settings include the following four user name user password user accessible path and access authority Any setting error will lead to failed login or failed board software loading When a base station loads software the above four items are set as follows User name OMU Password OMU Access path Required to include the file path specified in the software uploading downloading c...

Страница 24: ......

Страница 25: ...OTP failure and failed establishment of an OML may lead to unsuccessful initialization of the base station For such a case please refer to 5 1 OML Fault II Clock fault After a base station has successfully established an OML BSC will send corresponding configuration data In this case some boards of the base station must have correct clock signals before they are in normal service Thererfore check ...

Страница 26: ...onfiguration data error may also lead to failed initialization of a base station therefore various parameters must be carefully checked such as the board No cell No cell resource pool No optical interface No ect Of BTRM Please confirm them and configure correct data again V Board physical connection error That a base station fails to be initialized as a result of physical connection error may be c...

Страница 27: ...ysical layer of an OML is connected by means of E1 it can be configured as IMA mode or UNI mode as required If there is incorrect IMA group status or UNI link status OML fault may occur At the far end OMC client or near end maintenance console you may query the special status of a board to obtain the IMA group status or UNI link status If there is abnormal IMA group status or UNI link status pleas...

Страница 28: ...P related information based on the data configured in BSC And this group of BOOTP information is required to be unique and consistent with the data configured in BSC If an OMC is configured with wrong BOOTP information the MAC field contained in BOOTP request packet of a base station will not correspond to the BOOTP information configured in OMC And this results in failed BOOTP request of a base s...

Страница 29: ... has obtained the configuration data you may check whether the Abis signaling link configuration parameters are normal Abis signaling link is in the mode of IPOA and needs configuring with the following parameters PVC parameters VPI and VCI of and TCP IP address IP address subnet mask and TCP port No of the Abis signaling link In addition it is necessary to make sure that the PVC used in the Abis ...

Страница 30: ......

Страница 31: ...utside check is actually integrated in the cabinet part check I External check 1 Power check Mainly check whether the 48 DC input at the top of the equipment is normal For details please refer to 2 2 Maintenance Guide 2 Transmission link check Check whether the transmission link between the BCIM in a base station and the XIE board in a BSC is normal For details please refer to 4 3 BTS Control Inte...

Страница 32: ...M are amplified by the BHPA module and sent to the CDU to combine Then they are output to the antenna feeder and transmitted Receiving channel the radio frequency signals are received through the antenna feeder system and sent to the CDU Then the RLDU receives and splits them and sends them to the corresponding BTRM for processing Check the BHPA CDU RLDU and the antenna feeder system according to ...

Страница 33: ...owered on the boards will be initialized After that they excluding the BCKM will requrest the OMU on the BCKM for its configuration After receiving correct configurations the board begins to work normally If the ALM and ACT indicators flash on the frequency of 4Hz there is some fault occurring to the communcation link between the board and the OMU 1 If an alarm occurs to some board for example the...

Страница 34: ...bserve whether there is any other fault occurring at the same time and locate it Otherwise reset the corresponding board If the fault still exists the corresponding board should be replaced 6 3 BTS Control Interface Module BCIM 6 3 1 Description of Fault 1 The base station when powered on cannot establish the OML with the OMC and BOOTP request fails 2 During the running of the base station the com...

Страница 35: ...t the configuration it may be a BSC interface board XIE that is faulty And this fault can be eliminated by resetting or replacing the XIE IV BSC and OMC fault or configuration error If the IMA group and link status of the BCIM are found normal by means of querying the specific status of a base station board but the OMU BOOTP request fails or the BOOTP request succeeds but the TCP connection fails ...

Страница 36: ...ts of the BCKM board The main cabinet PSU fault and base band frame fan module fault are also reported to the BCKM and listed with other faults If it is the base band frame fan module fault it is necessary to replace the fan module If it is the main cabinet PSU fault handle it as described in 6 10 Power Supply Unit PSU 6 5 BTS Channel Processing Module BCPM 6 5 1 Description of Fault l System cloc...

Страница 37: ...yer communication link fault between BRDM and BTRM is usually caused by an excessively high communication link error code rate or abnormal running of the board You may plug unplug the optical fiber or replace the BTRM If this fault exists for a long time please reset or replace this BRDM III Abnormal clock signal The clock used for the switching of BRDM control services comes from the BCKM If the ...

Страница 38: ...re usually can be recovered automatically within 5 minutes If this fault exists for a long time handle it as follows If this problem still cannot be solved in a certain step please handle it as described in the next one 1 Eliminate the corresponding BRDM fault 2 Replace the corresponding optical fiber 3 Replace this BTRM III Abnormal forward link power fault Abnormal forward link power fault may l...

Страница 39: ...n is correct and reliable 2 Replace the fan monitor board or the corresponding BRFM 6 8 BTS High Power Amplification BHPA Module 6 8 1 Description of Fault l No radio frequency signals output l Abnormal radio frequency signals including low output power and output spectrum out of standard range 6 8 2 Fault Analysis and Location I No radio frequency signals output No radio frequency signals output ...

Страница 40: ...handle it as described in the next one l Plug unplug the BHPA again to ensure that it is blindly plugged well and normally connected with the backplane l Check whether the cables between BTRM and BHPA between BHPA and CDU and between the power supply and BHPA on the backplane connected well 3 Self damaged If the BHPA is normally powered the cables connectors are connected normally and input signal...

Страница 41: ...ly completed If the fault cannot be eliminated in a certain step please handle it as described in the next one l Check whether the antenna feeder connection and antenna are normal l Check whether CDU works normally l Check whether the connection cable between CDU and RLDU is normal l Check whether the power indicator on the RLDU panel works correctly l Replace the RLDU II RLDU fault If the RLDU fa...

Страница 42: ...smaller than 36 5 1V the PSU will stop outputting any power and the red alarm indicator Alm on the PSU panel will be on Meantime the output over voltage fault alarm will be reported When the input voltage is higher than 38 5 1V the PSU will automatically resume to normal V PSU overheat fault If the PSU runs at an excessively high ambient temperature or the heat dissipation system does not work nor...

Страница 43: ...na and jumper connection are open or in poor contact 4 Check whether the jumper and feeder connection are open or in poor contact 5 Check whether the jumper and connector connection at the top of the equipment are open or in poor contact 6 Check whether the jumper inside a cabinet and the CDU connection are open or in poor contact 7 Check whether the feeder or jumper connector is not correctly ins...

Страница 44: ... poor contact 6 Check whether the jumper and connector connection at the top of the equipment are open or in poor contact 7 Check whether the jumper inside a cabinet and the SMA connector connection on the BCKM panel are open or in poor contact 8 Check whether the connection between the SMA connector on the BCKM panel and GPS GLONASS receiving card is open or in poor contact ...

Страница 45: ...placement 2 1 2 1 Overview 2 1 2 2 Replacement of BTS E1 Surge Protector BESP 2 1 2 3 Replacement of BTS Control Interface Module BCIM 2 2 2 4 Replacement of BTS Channel Process Module BCPM 2 2 2 5 Replacement of BTS Control Clock Module BCKM 2 3 2 6 Replacement of BTS Resource Distribution Module BRDM 2 4 2 7 Replacement of BTS Fan Module BFAN 2 5 2 8 Replacement of Power Supply Unit PSU 2 5 2 9 ...

Страница 46: ...placement The power supply of all boards in a base band subrack is controlled by the switch in the subrack When replacing a board in the base band subrack l Turn off the base band subrack switch while replacing boards such as BCIM or BCKM when only one BCKM is configured for the BTS l Do not turn off the base band subrack switch while replacing boards such as BRDM BCPM or BCKM when 2 BCKMs are con...

Страница 47: ...5 Replacement Completed After the replacement the following three factors can help us judge whether it is successful 1 View whether related indicator status is normal For details refer to the sub module Board Indicator and DIP Switch of the Base Station Maintenance module in this manual 2 View a local end maintenance console or OMC far end maintenance console to see whether corresponding base stat...

Страница 48: ...a base band frame backplane first take off the metal shielding can over the backplane To install a base band frame backplane install first the backplane and then a metal shiedling can 2 Because the backplane is very big and heavier than a common board there must be some help in dismounting or installing the backplane lest any accident should occur V Preparations for backplane installation Before a...

Страница 49: ...of a corresponding switch on the switch box and observe whether the power on is normal XI Power off and insert a board If a backplane is normally powered on turn off the power and insert carefully all the dismounted boards or modules into the backplane slot XII Power on and observe the working statuses of various boards or modules XIII Conduct a conversation test with a mobile station and view whe...

Страница 50: ...ures That is to say wear an anti static wrist strap and gloves and make the grounding terminal well grounded to prevent any static electricity damaging the board II Replacement Details 1 Shut off the base station power Shut off first all the switches on the switch box of the base station and then 48V DC output of AC DC power 2 Dismount the BESP Unplug the E1 trunk cables of two 25 pin interfaces o...

Страница 51: ... the slot 3 Plug a new BCIM Check and find that the impedance of BCIM matches DIP switch jumper J6 and S2 S9 Then plug the new BCIM into a corresponding slot and wait to successfully reestablish links with BSC 4 Change the management state of the blocked BTRM Unblock the blocked BTRM If you turn off the power switch of a corresponding BTRM in advance instead of blocking the BTRM then turn on the c...

Страница 52: ...lone is configured in the base station the replacement of BCKM will interrupt all services in this base station 2 BCKM should be anti static therefore operations should be made strictly based on operation procedures That is to say wear an anti static wrist strap and gloves and make the grounding terminal well grounded to prevent any static electricity damaging the board II Replacement Details 1 Vi...

Страница 53: ...maging the board II Replacement Details 1 View the BRDM alarm and block a corresponding BTRM Connect a portable computer with the local end maintenance software with the Ethernet interface of a base station BCKM and switch on Telnet to log on to the base station Then view and record the fault type and software hardware versions of BRDM For a BTRM whose services will be interrupted execute the comm...

Страница 54: ...ut make a preliminary judgement of the module fault based on the display status of the indicator on the module panel Then make a decision about the replacement The specific operations are as follows a Display description of the indicator green indicator on Vin means that there is input voltage on the module Red indicator on Alm any fault occurs to the module Green indicator on Vo means that there ...

Страница 55: ...ement Details 1 View the PSU alarm Connect a portable computer with the local end maintenance software with the Ethernet interface of a base station BCKM and switch on Telnet to log on to the base station Then view and record the fault type of PSU 2 Unscrew the fastening screws of the PSU and unplug the faulty module from the power frame 3 Smoothly push a new module along the guide slot into the l...

Страница 56: ...amaging the module II Replacement Details 1 View the BHPA alarm and block the corresponding BTRM Connect a portable computer with the local end maintenance software with the Ethernet interface of a base station BCKM and switch on Telnet to log on to the base station Then view and record the fault type of BHPA For a BTRM which will interrupt services execute the command of sector carrier blocking o...

Страница 57: ...d view whether BTRM software version is the one to run normally 7 After replacement If the new BTRM has passed all tests related alarms disappeared and corresponding recovered alarms occurred it shows that the replacement of a BRDM is completed 2 12 Replacement of Receive LNA Distribution Unit RLDU I Note 1 The replacement of an RLDU will interrupt any service it processes 2 Turn off the power swi...

Страница 58: ...Replacement Details 1 View the CDU alarm and block the corresponding BTRM Connect a portable computer with the local end maintenance software with the Ethernet interface of a base station BCKM and switch on Telnet to log on to the base station Then view and record the fault type of CDU For a BTRM which will interrupt services execute the command of sector carrier blocking or shut off its power 2 C...

Страница 59: ... corresponding recovered alarms occurred it shows that the replacement is completed Caution 1 CDU is very heavy therefore its bottom must be held with one hand when dismounted mounted 2 If the CDU has not been plugged well and the screws not tightened the transmitting receiving indices of the base station may be made to decrease The same attention should be paid when other radio frequency modules ...

Страница 60: ...S ClocK Module BCKM 3 1 3 1 BCKM Indicators 3 1 4 BTS Resource Distribution Module BRDM 4 1 4 1 BRDM Indicators 4 1 5 BTS TransceiveR Module BTRM 5 1 5 1 Board Indicators 5 1 6 BTS RF Fan Module BRFM 6 1 6 1 BRFM Indicators 6 1 7 Receiving Line Division Unit RLDU 7 1 7 1 RLDU Indicators and DIP Switches 7 1 8 Power Supply Unit PSU 8 1 8 1 PSU Indicators 8 1 9 BTS Lightning Protection Indicator Boa...

Страница 61: ...DMA Base Station 1 BTS Control Interface Module BCIM 03Q 0112 20020720 120 1 1 1 BTS Control Interface Module BCIM 1 1 BCIM Indicators BCIM indicators are shown in Figure 1 1 Figure 1 1 BCIM panel See Table 1 1 for the description of BCIM indicators ...

Страница 62: ...y Slow flash 0 5Hz ALM Red Alarm indicator Quick flash 4Hz Critical alarm Slow flash 0 5Hz Major alarm Slow flash 0 25Hz Minor alarm Off No alarm Off ACT Green Operation indicator On BCIM is running normally Quick flash 4Hz Operation maintenance link is faulty Slow flash 0 5Hz IMA group is interrupted Slow flash 0 25Hz IMA link is broken On 1 2 BCIM DIP Switches and Jumpers BCIM DIP switches and j...

Страница 63: ...terface unbalanced unbalanced mode All four digits set to OFF 120W twisted pairs All four digits set to ON 75W co axial cable with sheath connected with PGND Digits 1 and 2 set to ON and digits 3 and 4 set to OFF 75W co axial cable with sheath not connected with PGND Other settings Undefined J6 Feedback of E1 interface matching impedance 75W120W mode The program initializes E1 driving chip based o...

Страница 64: ...cBTS3612 800 12 carrier CDMA Base Station 2 BTS Channel Processing Module BCPM 03Q 0112 20020720 120 2 1 2 BTS Channel Processing Module BCPM 2 1 BCPM Indicators BCPM indicators are shown in Figure 2 1 Figure 2 1 BCPM panel ...

Страница 65: ...Indicator Quick flash 4Hz BCPM is being powered on and initialized or is downloading software Slow flash 0 5Hz BCPM is running normally Others BCPM is faulty Slow flash 0 5Hz ALM Red Alarm indicator Quick flash 4Hz Critical alarm Slow flash 0 5Hz Major alarm Slow flash 0 25Hz Minor alarm Off No alarm Off ACT Green Operation indicator On BCPM is running normally Quick flash 4Hz T8206 alarm Slow fla...

Страница 66: ...al Airbridge cBTS3612 800 12 carrier CDMA Base Station 3 BTS ClocK Module BCKM 03Q 0112 20020720 120 3 1 3 BTS ClocK Module BCKM 3 1 BCKM Indicators BCKM indicators are shown in Figure 3 2 Figure 3 2 BCKM panel ...

Страница 67: ...is downloading software Slow flash 0 5Hz BCKM is running normally Others BCKM is faulty Slow flash 0 5Hz ALM Red Alarm indicator Quick flash 4Hz Critical alarm Slow flash 0 5Hz Major alarm Slow flash 0 25Hz Minor alarm Off No alarm Off ACT Green Operation indicator On BCKM is running normally Quick flash 4Hz Operation maintenance link is faulty Slow flash 0 5Hz BSC link is interrupted Slow flash 0...

Страница 68: ...800 12 carrier CDMA Base Station 4 BTS Resource Distribution Module BRDM 03Q 0112 20020720 120 4 1 4 BTS Resource Distribution Module BRDM 4 1 BRDM Indicators BRDM indicators are shown in Figure 4 1 0 1 2 3 4 5 Figure 4 1 BRDM panel ...

Страница 69: ... Green Status Indicator Quick flash 4Hz BRDM is being powered on and initialized or is downloading software Slow flash 0 5Hz BRDM runs normally Others BRDM fault Slow flash 0 5Hz ALM Red Alarm indicator Quick flash 4Hz Critical alarm Slow flash 0 5Hz Major alarm Slow flash 0 25Hz Minor alarm Off No alarm Off ACT Green Operation indicator On BRDM is running normally Quick flash 4Hz T8206 alarm Slow...

Страница 70: ...bridge cBTS3612 800 12 carrier CDMA Base Station 5 BTS TransceiveR Module BTRM 03Q 0112 20020720 120 5 1 5 BTS TransceiveR Module BTRM 5 1 Board Indicators BTRM indicators are shown in Figure 5 1 Figure 5 1 BTRM panel ...

Страница 71: ...ator Quick flash 4Hz BTRM is being powered on and initialized or is downloading software Slow flash 0 5Hz BTRM is running normally Others BTRM is faulty Slow flash 0 5Hz ALM Red Alarm indicator Quick flash 4Hz Critical alarm Slow flash 0 5Hz Major alarm Slow flash 0 25Hz Minor alarm Off No alarm Off ACT Green Operation indicator On BTRM is running normally and the clock has been locked Slow flash ...

Страница 72: ...etails Normal status TRX Green BTRM alarm indicator On BTRM is in running normally Quick flash 4Hz BTRM is not in service or with critical alarm Slow flash 0 5Hz BTRM is in service but with major alarm Slow flash 0 25Hz BTRM is in service but with minor alarm Off the communication between BTRM and the fan monitor board is interrupted On HPA Green HPA Status indicator On HPA is running normally Qui...

Страница 73: ...U DIP switch settings Table 7 1 RLDU indicator description Indicator Color Function Details Normal status POWER Green Power indicator On normal Off abnormal On Table 7 2 RLDU DIP switches DIP Switch Details Description S W Number of sector carriers corresponding to RLDU S W set as 0 1 Number of sectors of the BTS 3 2 number of carriers for each sector 4 2 There are 2 carriers in each sector and th...

Страница 74: ...Table 8 1 for the description of PSU indicators Table 8 1 PSU indicators Indicator Color Function Details Normal status Vin Green Power input status indicator On normal Off abnormal On Alm Red Module fault indicator On alarm Off normal Off Vo Green Power output indicator On normal Off abnormal On Caution Possible cause to module fault alarm Input power under over voltage over heated or the power s...

Страница 75: ...dicators are shown in Figure 9 1 RUN L alm Figure 9 1 BPLI panel See Table 9 1for the description of BPLI indicators Table 9 1 BPLI indicators Indicator Color Meaning Details Normal status RUN Green 48V Power indicator On 48V power input is normal On 48V power input is abnormal On L alm Red Lightening protector indicator On Lightning protector abnormal Off Lightning protector normal Off ...

Страница 76: ...ription of BFMM indicators Table 10 1 BFMM indicator Indicator Color Meaning Details Normal status BFMM Indicators Green Operational status indicator Fast flashing 4Hz fault has occurred to the monitored objects such as 1 fan unable to rotate 2 port communication abnormal 3 mono stable circuit fault Slow flashing 0 5Hz the fan monitoring circuits and the monitored object are working normally On or...

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