alarm class issue

8/9/2019 Alarm Class Issue

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Alarm Name Alarm Class

E1/T1 Alarm Indication Signal TX

E1/T1 Remote Alarm Indication TX

IMA Link Remote RX Fault TX

IMA Link Remote RX Unusable TX

Local Cell locked SITE/CELL !"#$


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TX

oard Startu% Abnormal Alarm &AR!#ARE

IMA 'rou% Con(gurationAborted


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S!&/S"$ET Loss o) Signal TX

oard $ot In *osition &AR!#ARE


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&AR!#AREMonitoring !e+ice MaintenanceLink Failure


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TXE,ternal Clock Re)erence*roblem


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IMA Link Loss o) Frame TX

#*-#* Inter)ace Abnormal &AR!#ARE


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&AR!#ARE

&AR!#ARE

&AR!#ARE

RF Unit Maintenance LinkFailure

oard T.%e and Con(gurationMismatc

U "%tical Module Transmit/Recei+e Fault


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Local Cell Unusable SITE/CELL !"#$

&AR!#ARERF Unit 0S#R TresoldCrossed


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Eternet Link Fault TX

&AR!#ARE

TX

RF Unit RX Cannel RT#*/RSSIUnbalanced

E1/T1 Remote Alarm IndicationSignal


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&AR!#ARE

RF Unit "%tical Module Fault &AR!#ARE

&AR!#ARE

U oard Maintenance LinkFailure

oard !onlink Ser+ice*rocessing Cannel Abnormal


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E1/T1 Loss o) Frame Alignment TX

TXIMA/ATM Link Loss o) Cell!elineation


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TX

TX

IMA Link Remote FailureIndication

IMA Link RX Unusable at FarEnd


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E1/T1 E,cessi+e Sli% Frames TX

I* *at Fault TX

&AR!#ARE

&AR!#ARE

$*MU CommunicationAbnormal

$CMU CommunicationAbnormal


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&AR!#ARE

oard T.%e Mismatc &AR!#ARE

&AR!#ARE

Module T.%e Mismatc &AR!#ARE

oard Maintenance LinkAbnormal

Inter-oard Ser+ice !ataCannel Abnormal


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TX

&AR!#ARE

Re)erence Clock SourceAbnormal

oard U%link Ser+ice *rocessingCannel Abnormal


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I* Clock Link Failure TX


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T,

E1/T1 E,cessi+e it Error Rate TX

Remote Maintenance LinkFailure


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TX

&AR!#ARE

&AR!#ARE

MAC E,cessi+e Frame ErrorRate

RF Unit RX Cannel RT#*/RSSI Too Lo

Inter-S.stem CommunicationFailure


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oard F$ Abnormal &AR!#ARE

TX

TX

U C*RI "%tical Inter)ace

*er)ormance !egraded

I* *at E,cessi+e *acket LossRate


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U C*RI Inter)ace Error &AR!#ARE


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TX

TX

RF Unit "%tical Inter)ace*er)ormance !egraded

IMA 'rou% Acti+ated LinksInsu2cient


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Possible Causes

Te E1/T1 link is incorrectl. con(gured3 Te E1/T1 transmission link is )ault.3 Te local de+ice is )ault.3 Te %eer de+ice is )ault.3

E1/T1 settings are incorrect3E1/T1 transmission line connection is abnormal3

Te E1/T1 e4ui%ment o) tis $E is abnormal3 Te E1/T1 trunk transmission )ails3 Te E1/T1 e4ui%ment at te %eer end is abnormal3

Fault. E1/T1 linkFault. IMA linkFault. IMA link o) te local $odeFault. IMA link o) te %eer end

Te IMA link at te remote end is )ault.3 Te RX link at te remote end is blocked3 Te RX E1/T1 link at te remote end is )ault.3

Te user runs a command to block te local cell o)te $E3


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Te %arameter settings o) te local and %eer IMAgrou% are inconsistent3

Tere is at least one loo%ed IMA link in te IMA grou%3

Te o%eration o) reading or riting into tecon(guration )ails3

Errors occur during data con(guration on te board3 Te board is o%erating im%ro%erl.3 Te startu% o) te board times out3


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Te orking mode o) te local o%tical %ort is setincorrectl.3

Te local o%tical module is incom%atible it teo%tical (ber3

Te local o%tical module is not securel. installed ornot in %osition3

Te local o%tical connector is not securel. installed3 Te RX and TX ends o) te local o%tical (ber arere+ersel. connected3

Te local o%tical connector is dirt.3 Te local o%tical module is )ault.3

Te local o%tical sub-board is )ault.3"n te %eer end5 te con(guration o) te o%tical %ortis incorrect5 te o%tical connection is )ault.5 teo%tical module is incom%atible it te o%tical (ber5or te de+ice is )ault.3

Te o%tical transmission link is )ault.3

Te board does not e,ist or is not securel. installed3

Te back%lane slot is )ault.3 Te board ardare is )ault.3 Te main control board 6in te subrack tat ouseste board7 is not securel. installed3

Te ardare o) te main control board is )ault.3


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Te monitoring de+ice is con(gured in te rongcabinet/subrack/slot5 or con(gured it te rongserial %ort or communication address3

Te monitoring de+ice is not %oered on or not in%osition3

Te cable connection beteen te U/RRU and temonitoring de+ice is )ault.3

Te cable connection beteen te U/RRU and temonitoring de+ice is loose or broken3

Te !I* sitc setting o) te monitoring de+ice isrong3

Te monitoring de+ice is )ault.3 Te U is )ault.3


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I) te clock re)erence is '*S clock5 te '*S antennama. be )ault. or te number o) locked '*S satellitesma. be insu2cient3I) te clock re)erence is I*CL85 te I* clock link ma.)ail or te clock re)erence ma. become una+ailable3I) te clock re)erence is line clock5 te transmissionlink beteen te base station and te clock re)erencema. )ail5 or te )re4uenc. de+iation beteen teclock re)erence and te local clock ma. be

e,cessi+el. large3 Te clock re)erence is incorrectl. con(gured3 Te ardare o) te UTR*5 USCU5 or main controlboard is )ault.3


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Te E1/T1 link is )ault.3 Te con(guration o) te IMA link grou% is incorrect3 Te local IMA is )ault.3 Te %eer IMA is )ault.3

Te transmit board is )ault.3 Te recei+e board is )ault.3 Te U subrack is )ault.3


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Te C*RI link beteen te current-le+el RF unit andte U or u%%er-le+el RF unit is broken3

Te RF unit is not %oered on or running im%ro%erl.3 Te RF unit ardare is )ault.3

An incorrect board is con(gured3An incorrect board is installed in te slot3

Te o%tical module on te C*RI %ort o) te U is)ault. or not installed securel.5 or te cableconnection on te C*RI o%tical module is not read.3

Te o%tical connector on te C*RI %ort o) te U is

dirt.3 Te o%tical module on te C*RI %ort o) te U doesnot matc tat o) te loer-le+el RF unit5 in terms o)t.%e 6single-mode or multi-mode7 and rate3

Te o%tical module on te C*RI %ort o) te loer-le+elRF unit is not su%%orted b. te loer-le+el RF unit5 interms o) t.%e 6single-mode or multi-mode7 and rate3

Te o%tical module on te C*RI %ort o) te U doesnot matc te connected o%tical (ber5 in terms o)t.%e 6single-mode or multi-mode7 and rate3

Te C*RI inter)ace board in te U is )ault.3 Te loer-le+el RF unit is not %oered on3

Te o%tical module or connector o) te loer-le+el RFunit is im%ro%erl. installed or te o%tical module is)ault.3

Te o%tical connector o) te loer-le+el RF unit isdirt.3

Te o%tical module on te C*RI %ort o) te loer-le+elRF unit does not matc te connected o%tical (ber5 interms o) t.%e 6single-mode or multi-mode7 and rate3

Te o%tical link beteen te U and te loer-le+elRF unit is )ault.3

Te loer-le+el RF unit is )ault


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U%link common baseband resource una+ailable3!onlink baseband resource una+ailable3aseband-RF inter)ace resource una+ailable3U%link RF resource una+ailable3!onlink RF resource una+ailable3License ca%abilit. limited3aseband board una+ailable3RF board una+ailable3

Te %reset 0S#R tresold is +er. lo3 Te installation o) 9um%ers does not com%l. it te%lan3

Te )eeder connector on te antenna %ort is loose oraterlogged3

Te )eeder connected to te antenna %ort o) te RFunit is bent5 de)ormed5 or damaged3

Te 0S#R detection circuit o) te RF unit is )ault.3


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Te %arameter settings o) te local Eternet %ort areinconsistent it tose o) te %eer Eternet %ort3

Te Eternet transmission link is )ault.3 Te local Eternet is )ault.3

Te %eer Eternet is )ault.3

Te main RX cannel or di+ersit. RX cannel o) teRF unit is )ault.3

Te setting o) attenuation on te RX cannel o) teRF unit is incorrect3E,ternal inter)erences e,ist on te main or di+ersit.antenna o) te RF unit3

Te )eeder connected to te RF unit is )ault.5 ic

results in a ig %assi+e intermodulation %oer o) temain antenna3

Te E1/T1 link is con(gured incorrectl.3 Te E1/T1 transmission link is )ault.3 Te local de+ice is )ault.3 Te E1/T1 transmission trunk is )ault.3 Te %eer de+ice is )ault.3


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Te E1/T1 link is incorrectl. con(gured3 Te E1/T1 transmission link is )ault.3 Te local de+ice is )ault.3 Te E1/T1 transmission trunk is )ault.3 Te %eer de+ice is )ault.3

Te board tem%erature is out o) range3 Te board ardare is )ault.3


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Te o%tical module o) te RF unit is )ault.3

Te donlink encoding cannel is )ault.3

Te board automaticall. resets because o) memor.so)t )ailure or so)tare %rogram error3

Te board (le s.stem is being )ormatted due toerrors3

Te board does not e,ist or is not securel. installed3 Te board ardare is )ault.3 Te board is %oered o:3 Te ardare o) te main control board 6in te

subrack tat ouses te board7 is )ault.3


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Te E1/T1 link is incorrectl. con(gured3 Te E1/T1 transmission link is )ault.3 Te local de+ice is )ault.3 Te E1/T1 transmission trunk is )ault.3 Te %eer de+ice is )ault.3

Te E1/T1 link is )ault.3 Te con(guration o) te IMA link grou%/U$I link isincorrect3

Te local IMA is )ault.3 Te %eer IMA is )ault.3


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Te E1/T1 link is )ault.3 Te remote IMA link is )ault.3 Te local IMA is )ault.3 Te %eer IMA is )ault.3

Te E1/T1 link bearing te remote IMA RX link is

)ault.3 Te remote IMA RX link is blocked3 Te remote IMA link is )ault.3


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Te local clock o) te $E mal)unctions3 Te E1/T1 con(guration is incorrect3 Te E1/T1 grounding does not meet te groundingre4uirements3

Te %er)ormance o) te E1/T1 transmission link is%oor3

Te link bearing te I* %at is )ault.3 Te %eer route o) te I* %at is not con(gured3 Te *ing detection is enabled on te I* %at5 but teroute o) te bearing netork is incorrectl. con(gured5or te *ing message is blocked b. te bearing

netork3 Te ardare o) te board carr.ing te I* %at is)ault.3

Te cabling beteen te RRU and te A*M isim%ro%er3

Te $*MU is )ault.3

Te cabling beteen te U;RRU and te $CMU isim%ro%er3 Te $CMU is )ault.3


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Te board is not installed in %osition5 or is not in )ullcontact3&ardare )ailure occurs on te board3

Te #M*T is )ault.3 Te #M*T is not in )ull contact3

Te board and te slot ere it resides aremismatced3

Te TX board o) te tra2c cannel is )ault.3 Te detection board o) te tra2c cannel is )ault.3

Te t.%e o) te con(gured RRU is correct5 but tat o)te %.sical RRU is rong3

Te t.%e o) te %.sical RRU is correct5 but tat o)te con(gured RRU is rong3


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In te case o) te '*S clock re)erence5 %ossiblecauses are


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Te %ort used )or te I* clock link is )ault.3 Te I*CL8 link is incorrectl. con(gured3 Te route )rom te $E to te clock ser+er is notcon(gured3

Te route )rom te $E to te clock ser+er is notreacable3

Te main control board ardare is )ault.3


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Te "MC& is not con(gured3 Te "MC& is con(gured incorrectl.3 Te transmission netork is )ault.3 Te M=>>> mal)unctions3

Te local clock o) te $E mal)unctions3 Te E1/T1 con(guration is incorrect3 Te E1/T1 grounding does not meet te groundingre4uirements3

Te %er)ormance o) te E1/T1 transmission link is%oor3


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Te transmission %er)ormance o) te Eternet cablema. be %oor3

Te setting o) attenuation o) te RF unit is incorrect3 Te TMA is )ault.3 Te )eeder installation is im%ro%er3 For e,am%le5 te)eeder connector is loose5 soaked or damaged5 or te)eeder is de)ormed3

Te RF unit is )ault.3

Te base station in te oter mode is re%eatedl.reset because te connection beteen te basestation and M=>>> is disru%ted )or a long time3

Te base station in te oter mode is re%eatedl.reset because te base station is not con(gured3

Te base station in te oter mode is reset a)ter aso)tare u%grade or a)ter a reset command is issued3

Te main control board o) te oter mode is running

im%ro%erl.3 Te main control board o) te current mode isrunning im%ro%erl.3

Te main control board o) te oter mode is notinstalled securel.3

Te main control board o) te current mode is notinstalled securel.3

Te ardare o) te main control board o) te otermode is )ault.3

Te ardare o) te main control board o) te currentmode is )ault.3


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Te o%tical module o) te U is orn-out3

Te board is not %ro%erl. connected it te

subrack3Certain ser+ice %rocessing units o) te board are)ault.3

Te bandidt con(guration o) te I* %at on te $Eside is inconsistent it tat on te R$C side3

Te bit error rate 6ER7 or )rame error rate 6FER7 o)te link bearing te I* %at is e,tremel. ig3

Te bandidt o) te %.sical link beteen te $Eand te R$C is restricted3


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I) te C*RI o%tical transmission is used5 te o%ticalmodule or connector o) te U or loer-le+el RF unitma. be im%ro%erl. installed5 or te o%tical link is)ault.3I) te C*RI electrical transmission is used5 te cableconnector o) te U or loer-le+el RF unit ma. beim%ro%erl. installed5 or te cable is )ault.3

Te U or loer-le+el RF unit is running im%ro%erl.5or te ardare is )ault.3!ata con(guration is incorrect i) a multi-mode basestation re%orts te alarm3


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Te o%tical module or connector o) te current-le+elRF unit is im%ro%erl. installed3 "r te o%tical moduleis orn-out3

Te o%tical connector o) te current-le+el RF unit isdirt.3

Te o%tical module on te C*RI %ort o) te current-le+el RF unit is not su%%orted b. te current-le+el RFunit5 in terms o) t.%e 6single-mode or multi-mode7and rate3

Te o%tical module or connector o) te %eer de+ice6u%%er-le+el/loer-le+el RF unit or U7 is im%ro%erl.installed3 "r te o%tical module is )ault.3

Te o%tical connector o) te %eer de+ice 6u%%er-le+el/loer-le+el RF unit or U7 is dirt.3

Te o%tical module on te C*RI %ort o) te %eerde+ice 6u%%er-le+el/loer-le+el RF unit or U7 is notsu%%orted b. te %eer de+ice5 in terms o) t.%e6single-mode or multi-mode7 and rate3

Te o%tical (bers beteen te current-le+el RF unitand te %eer de+ice 6u%%er-le+el/loer-le+el RF unitor U7 are bent5 de)ormed5 or orn-out3 "r telengt o) o%tical (bers is e,cessi+e 6longer tan ?>km75 ic leads to a ig attenuation o) o%ticalsignals3

Te IMA link is )ault.3 Te E1/T1 link is )ault.3 Te E1/T1 cable is connected incorrectl.3


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settings based on te netork %lan5 and ceck te consistenc. o) )rame )ormat and multi%le,ing

- Run te MML command SET STM1 to cange te settings o) te orking mode o) te local o%tical

=3 Ceck tat te local o%tical module is in %osition on site3- Run te MML command DSP OPTMODULE to ceck eter te local o%tical module is in %osition3- Reinstall te o%tical module on te local board securel.3

@3 Reinsert te connector o) te o%tical (ber into te o%tical module on te board securel.3

?3 Ceck eter te local o%tical module matces te o%tical (ber on site3- Re%lace te local o%tical module it an o%tical module tat is com%atible it te o%tical (ber3

3 Ceck eter te local o%tical (ber is incorrectl. connected3- Re%lace or reconnect te o%tical (ber3 Ensure tat te o%tical (ber is correctl. connected3

B3 Clean te connector o) te local o%tical (ber on site3- Remo+e te connector and clean it b. using absorbent cotton it absolute alcool3 Ten5 insert

D3 Re%lace te o%tical module on site3- Remo+e te o%tical (ber )rom te %anel o) te U or RF unit3- Remo+e te o%tical module to be re%laced3- Install a s%are o%tical module3- Reconnect te o%tical (ber to te %anel o) te U or RF unit3

3 Ceck tat te local o%tical sub-board orks %ro%erl.3- Connect te TX %ort o) te o%tical sub-board and its RX %ort b. using an o%tical (ber )or loo%bacI) te alarm is cleared3 ou can in)er tat te local o%tical sub-board is damaged3- Re%lace te board3I) te alarm is not cleared a)ter re%lacing te board5 reinstall te original board3

G3 Ceck tat te %eer de+ice it te o%tical %ort orks %ro%erl.3

13 Reseat te board %ro%erl. on site3

=3 Ceck te back%lane slot in te U on site3- Remo+e te board3 Ten5 use a Hasligt to ceck eter tere is an. bent or broken %in in te

I) te back%lane slot tat olds te board mal)unctions3 Ceck eter tere is anoter idle back%

I) tere is anoter idle back%lane slot3- Run te MML command RMV BRD to remo+e te board in te )ault. slot3Run te MML command ADD BRD to add te board in te idle slot3Remo+e te board )rom te )ault. slot and install it in te idle slot3 #ait until te board startu% is cand "FF )or 1s73

@3 Re%lace te )ault. board on site3

?3 Reseat te main control board %ro%erl. in te subrack tat ouses te )ault. board on site3

3 Re%lace te main control board in te subrack tat ouses te )ault. board on site3


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13 Ceck te con(guration on te M=>>>3- Run te MML command LST PMU6*MU7/LST TCU6TCU7/LST EMU6EMU7/LST MU6FMU7 to ceck et%ort5 and communication address o) te )ault. monitoring de+ice are consistent it te con(guraI) inconsistent<- Run te MML command RMV PMU6*MU7/RMV TCU6TCU7/RMV EMU6EMU7/RMV MU6FMU7 to remo+e t- Run te MML command ADD PMU6*MU7/ADD TCU6TCU7/ADD EMU6EMU7/ADD MU6FMU7 to add te m%lanning3

=3 Ceck te monitoring de+ice on site3- Ceck eter te monitoring de+ice s%eci(ed in te alarm location %arameters is %oered on o"$ and te RU$ LE! is ligted5 it indicates tat te monitoring de+ice is %oered on3- *oer on te monitoring de+ice5 or reinstall te monitoring de+ice and ten %oer it on3

@3 Ceck eter te cable is %ro%erl. connected beteen te monitoring de+ice and te U/RR- Reconnect te cable beteen te monitoring de+ice and te U/RRU3

?3 Ceck eter te cable beteen te monitoring de+ice and te U/RRU is )unctional and te- Reconnect or re%lace te cable3

3 Ceck te !I* sitc settings o) te monitoring de+ice5 i) an.3- *oer o: te monitoring de+ice3 Set te !I* sitc correctl. and %oer on te monitoring de+ic

B3 Re%lace te monitoring de+ice on site3

D3 Re%lace te )ault. unit o) te U on site3$ote< I) tere is onl. one U*EU con(gured )or te U5 re%lacing te U*EU disru%ts all te ongoing%er)orm tis re%lacement in lo-tra2c ours3- Re%lace te U en+ironment inter)ace unit on site3

$ote< Re%lacing te main control board disru%ts all te ongoing ser+ices o) te base station3 Tereours3 Te base station so)tare u%grade ma. be re4uired during board re%lacement5 so te corread+ance3- Re%lace te main control board on site3


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=B1=1 '*S Antenna Fault=B1== '*S Locked Satellites Insu2cient=B1=> '*S Clock "ut%ut Una+ailable=B1=@ '*S Maintenance Link Failure=B=B@ I* Clock Link Failure=>> E1/T1 Loss o) Signal=>B E1/T1 E,cessi+e it Error Rate

=> Eternet Link Fault=1 MAC E,cessi+e Frame Error Rate=@ ET&"AM @A& Local Fault=? ET&"AM @A& Remote Fault= I* Address ConHict=B=>> oard &ardare Fault

- Clear te correlated alarm it recommended actions3#ait )or (+e minutes3 Ceck eter te alarm is cleared3

=3 Ceck te clock re)erence on te basis o) con(guration %lan on te M=>>>3-Run te MML command LST CL!MODE to ceck eter te clock re)erence is consistent it te

I) te clock re)erence is inconsistent it te con(guration %lan<- Run te MML command SET CL!MODE to cange te clock re)erence according to te con(guratio#ait )or (+e minutes3 Ceck eter te alarm is cleared3

@3 Locate te cause o) te alarm on te M=>>>3Locate te cause o) te alarm based on te alarm location in)ormation3

I) S%eci(c *roblem is Clock Re)erence Una+ailable<- &andle te una+ailable I* clock re)erence %roblem3Contact maintenance %ersonnel o) te I* Clock ser+er to sol+e te una+ailable I* clock re)erence %meets te re4uirements o) te base station3 #ait )or (+e minutes3 Ceck eter te alarm is cle

I) S%eci(c *roblem is E,cessi+e Fre4uenc. !i:erence eteen Clock Re)erence and Local Cr.st- &andle te link clock )ault caused b. transmission link )ailures3


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13 Ceck te E1/T1 link on te M=>>>3Ceck )or te E1/T1-correlated alarms on te E1/T1 link tat bears te IMA link on te M=>>><Clear te correlated alarm it recommended actions3

=3 Ceck te con(guration o) te IMA link grou% on te M=>>>3

- Run te MML command LST IMAGRP to 4uer. te con(guration o) te local IMA link grou%3uer. te con(guration o) te %eer IMA link grou%3 Ceck eter te local con(guration matcemode and IMA %rotocol +ersion3

- Run te MML command MOD IMAGRP to cange te local IMA grou% con(guration3 Ensure tat te%eer3

- Ceck te local IMA link on te M=>>>3*er)orm te IMA link loo%back3

- Run te MML command RST IMAGRP to reset te IMA link grou%3

- Recon(gure te IMA link3

@3 Reset te )ault. board on te M=>>>3Run te MML command RST BRD to reset te )ault. board3

?3 Ceck eter te %eer IMA is normal3- Recti). te )ault on te %eer IMA3

13 Reset te recei+e board on te M=>>>3$ote< Resetting te board disru%ts some or e+en all te ongoing ser+ices o) te base station3 Terours3- Run te MML command RST BRD to reset te recei+e board3

=3 Remo+e and reinstall te recei+e board on site3- Reseat te oard3

@3 Re%lace te recei+e board on site3I) te alarm is not cleared3 Reinstall te original board3

?3 Remo+e and reinstall te transmit board on site3

- Reseat te oard3

3 Re%lace te transmit board on site3I) te alarm is not cleared3 Reinstall te original board3

B3 Re%lace te U subrack on site3- Re%lace te subrack3


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13 Cange te (ber connectiong to RRU

=3 Reset te RF unit on te M=>>>3- Run te MML command RST BRDP"RO on te M=>>> to reset te RF unit troug %oer-o:3

@3 Re%lace te RF unit on site3

13 Ceck te board con(guration on te M=>>>3Run te MML command DSP BRD to ceck eter te t.%e o) te con(gured board in te slot is cRun te MML command RMV BRD to remo+e te con(gured board in te slot3Run te MML command ADD BRD to con(gure te correct board in te slot according to te con(gu

=3 Ceck te con(gured sub-board t.%e on te M=>>>3ased on te alarm detailed in)ormation5 ceck eter te board t.%e is te UTR*3

Run te MML command DSP BRD to 4uer. te sub-board t.%e3 Ceck eter te con(gured sub-bboard3

Run te MML command ADD BRD to cange te sub-board t.%e according to te installed sub-boar

@3 Re%lace te board on site3

13 Ceck )or te correlated alarm on te )ault. C*RI %ort o) te U on te M=>>><

=B=@> U C*RI "%tical Module Fault

=B=@1 U C*RI "%tical Module or Electrical *ort $ot Read.=B=@@ U C*RI "%tical Inter)ace *er)ormance !egraded=B>B RF Unit "%tical Inter)ace *er)ormance !egraded=B?> RF Unit AC In%ut *oer Failure

Clear te correlated alarm it recommended actions3

=3 Ceck te C*RI %ort o) te U on site3- Run te MML command DSP OPTMODULE to 4uer. te transmission mode o) te o%tical module3

@3 Connect te TX and RX %orts o) te o%tical module on te U on site3

?3 Ceck te running status o) te loer-le+el RF unit on site3

3 Ceck te C*RI %ort o) te loer-le+el RF unit on site3

B3 Connect te TX and RX terminals o) te o%tical (ber on te loer-le+el RF unit on site3

D3 Ceck te o%tical connections on site3

3 Ceck te o%tical modules at bot ends o) te C*RI link and te o%tical (ber on site3


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=B1>B oard Clock In%ut Una+ailable=B=>> oard &ardare Fault=B=>1 oard Memor. So)t Failure=B=>? oard $ot In *osition=B=> U oard Maintenance Link Failure=B=1> oard locked

=B=B? S.stem Clock Unlocked=B=B ase Station Frame $umber S.ncroniJation Error=@>= oard F$ Abnormal=@>@ #*-#* Inter)ace Abnormal=@1 oard Startu% Abnormal Alarm

Clear te correlated alarm according to te rele+ant andling suggestions3

?3 Recti). te RF resource )ault on te M=>>>3"%en te alarm brosing indo or run te MML command LST ALMA to ceck )or alarms relatedconnected to te RRU/RFU3

=B=1> oard locked=B=@ RF Unit Maintenance Link Failure=B=@D RRU $etork reak%oint=B=? RF Unit *A "+ercurrent=B= RF Unit Tem%erature Unacce%table=B=G RF Unit 0S#R Tresold Crossed=B@= RF Unit &ardare Fault=B@ RF Unit Clock *roblem=B? RF Unit TX Cannel Sitced ": Troug Command=BDB R&U &ardare Fault=BDB R&U Clock *roblem

Clear te correlated alarm according to te rele+ant andling suggestions3

13 Ceck te 0S#R tresold on te M=>>>3- Run te MML command LST RRU to 4uer. te 0S#R tresold o) te RF unit3 Ceck eter tecon(guration %lan3

- Run te MML command MOD RRU to modi). te 0S#R tresold o) te RF unit3

=3 Ceck eter te installation o) te RF unit and 9um%ers on site is consistent it te %lan3- Reinstall te 9um%ers )or te RF unit according to te %lan3

@3 Reconnect te 9um%er to te antenna %ort o) te RF unit on site3

?3 Ceck te installation o) )eeders )or te RF unit on site3- Using Site Master

3 Reset te RF unit on site or on te M=>>>3A)ter te startu% o) te RF unit is com%lete5 ait )or 1> minutes3

B3 Re%lace te RF unit on site3I) te alarm is not cleared5 reinstall te original board3


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13 Ceck te settings o) te local and %eer Eternet %orts on te M=>>>3Run te MML command LST ET#PORT to ceck te %arameter settings o) te local Eternet %ort3

=3 Reset te local Eternet %ort on te M=>>>3Run te MML command RST ET#PORT to reset te local Eternet %ort3

@3 Ceck te Eternet cable connected to te local Eternet %ort on site3

?3 Ceck te %eer Eternet3

13 Ceck )or te correlated alarm o) te RF unit on te M=>>><=B=1 RF Unit RX Cannel RT#*/RSSI Too Lo


13 Ceck eter te E1/T1 con(guration on site is correct3Con(gure te E1/T1 link %ro%erl.3

=3 Ceck eter te E1/T1 transmission link on site is normal3 Ceck )or te damaged cable5 loosconnector3Re%lace or reconnect te E1/T1 cables3

@3 Ceck eter te local E1/T1 de+ice on site is )unctional3

?3 Run te MML command RST BRD to reset te )ault. board3

3 Re%lace te )ault. board on site3

B3 Ceck te E1/T1 transmission trunk beteen te local de+ice and te %eer de+ice on site3Ceck eter te E1/T1 transmission trunk is )unctional3Contact te transmission engineer o) te customer to troublesoot te )ault on te transmission tr

D3 Ceck te %eer de+ice3


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=3 Ceck eter te E1/T1 transmission link on site is normal3 Ceck )or te damaged cable5 loosconnector3

Re%lace or reconnect te E1/T1 cables3


?3 Run te MML command RST BRD to reset te )ault. board3


B3 Ceck te E1/T1 transmission trunk beteen te local de+ice and te %eer de+ice on site3Contact te transmission engineer o) te customer to troublesoot te )ault on te transmission tr

D3 Ceck te %eer de+ice3

13 Ceck )or te correlated alarm on te M=>>>3Ceck )or te correlated alarm o) te )ault. board on te M=>>><

=B1>? oard Tem%erature Unacce%table


=3 Reset te )ault. board troug %oer-o: on te M=>>>3Reset te board troug %oer-o:3



55/67

13Ceck )or te correlated alarm o) te )ault. board on te M=>>><

=B=>> oard &ardare Fault=B=>1 oard Memor. So)t Failure=B=>= oard "+erload

=B=>@ oard So)tare *rogram Error=B=>? oard $ot In *osition=B=> oard File S.stem !amaged=B=1? oard *oered ": =B=1B oard $ot Securel. Installed


=3 Ceck te state o) board (le s.stem on site3Ceck eter te RU$ LE! on te )ault. board blinks 4uickl. 6"$ )or >31=s and "FF )or >31=s73#ait until te RU$ LE! on te board blinks slol. 6"$ )or 1s and "FF )or 1s73 'enerall.5 te (le s.

minutes3

@3 Reseat te board %ro%erl. on site3

?3 Re%lace te )ault. board on site3

3 Reseat te main control board in te subrack tat ouses te )ault. board on site3

B3 Re%lace te main control board in te subrack tat ouses te )ault. board on site3

13 Ceck )or te correlated alarm o) te RF unit on te M=>>><

=B@= RF Unit &ardare Fault


=3 Reseat te )ault. o%tical module on site3

@3 Re%lace te o%tical module on site3

13 Reset te )ault. board on te M=>>>3Run te MML command RST BRD to reset te board3

=3 Re%lace te )ault. board on site3


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=3 Ceck eter te E1/T1 transmission link on site is normal3 Ceck )or te damaged cable5 loosconnector3



?3 Reset te )ault. board on te M=>>> or on site3Run te MML command RST BRD to reset te )ault. board3


B3 Ceck te E1/T1 transmission trunk beteen te local de+ice and te %eer de+ice on site3Ceck eter te E1/T1 transmission trunk is )unctional3Contact te transmission engineer o) te customer to troublesoot te )ault on te transmission tr

D3 Ceck te %eer de+ice3 Troublesoot te )ault on te %eer de+ice3

13 Ceck )or te E1/T1-correlated alarms on te E1/T1 link tat bears te IMA/U$I link on te M=>>Clear te correlated alarm it recommended actions3

=3 Run te MML command LST IMALN! and LST UNILN! to ceck te link t.%e3

@3 Run te MML command LST IMAGRP to 4uer. te con(guration o) te local IMA link grou%3uer. te con(guration o) te %eer IMA link grou%3 Ceck eter te local con(guration matcemode5 1Bt timeslot su%%ort5 and IMA %rotocol +ersion3Run te MML command MOD IMAGRP to cange te local IMA grou% con(guration3 Ensure tat te l%eer3

?3 Ceck te local IMA link on te M=>>>3*er)orm te IMA link loo%back3Run te MML command RST IMAGRP to reset te IMA link grou%3Recon(gure te IMA link3

3 Run te MML command RST BRD to reset te )ault. board3

B3 Ceck eter te %eer IMA is normal3Recti). te )ault on te %eer IMA3

D3 Ceck te U$I link con(guration on te M=>>>3Run te MML command LST UNILN! to 4uer. te local U$I link con(guration3Ceck eter te local con(guration matces te %eer con(guration5 including te %arameter o)Run te MML command RMV UNILN! 5 ADD UNILN! to cange te local U$I link con(guration3 Ensurete %eer3

3 Reset te )ault. board on te M=>>>3

Run te MML command RST BRD to reset te )ault. board3


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13 Ceck )or te correlated alarm on te E1/T1 link tat bears te IMA link on te M=>>><

E1/T1-Correlated Alarms<==@ IMA Link Loss o) Frame==? IMA Link "ut o) !ela. S.ncroniJation

==1 IMA/ATM Link Loss o) Cell !elineation

- Clear te correlated alarm it recommended actions3

=3 Ceck te local IMA link on te M=>>>3- *er)orm te IMA link loo%back3

- I) IMA link loo%back )ail5 Run te MML command RST IMAGRP to reset te IMA link grou%3

- Recon(gure te IMA link3

@3 Reset te )ault. board on te M=>>>3- Run te MML command RST BRD to reset te )ault. board3

?3 Ceck eter te %eer IMA is normal3- Recti). te )ault on te %eer IMA3

13 Ceck )or te correlated alarm on te E1/T1 link tat bears te IMA link on te M=>>><

E1/T1-Correlated Alarms<==@ IMA Link Loss o) Frame==? IMA Link "ut o) !ela. S.ncroniJation==1 IMA/ATM Link Loss o) Cell !elineation

- Clear te correlated alarm it recommended actions3

=3 Ceck eter te %eer IMA is normal3- Recti). te )ault on te %eer IMA3


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13 Ceck )or te correlated alarm on te M=>>><

=B=B= E,ternal Clock Re)erence *roblem

Clear te correlated alarm it recommended actions3 Ten5 ait )or ten minutes3

=3 Reset te )ault. board on te M=>>> or on site3Run te MML command RST BRD to reset te )ault. board3

@3 Ceck eter te E1/T1 con(guration on site is correct3Con(gure te E1/T1 link %ro%erl.3

?3 Ceck eter te E1/T1 grounding meets te re4uirements3'round te E1/T1 transmission cables %ro%erl. and ten ait )or 1 minutes3

3 Ceck eter te E1/T1 transmission link is )unctional3 Ceck )or te damaged cable5 loose coRe%lace or reconnect te E1/T1 cables3

B3 Ceck eter te local E1/T1 de+ice on site is )unctional3

D3 Re%lace te )ault. board on site3

3 Ceck eter te E1/T1 transmission trunk beteen te local de+ice and te %eer de+ice on siContact te transmission engineer o) te customer to troublesoot te )ault on te transmission tr

G3 Troublesoot te )ault on te %eer de+ice3

13 Ceck te corres%onding bearing link on te M=>>>3Run te MML command LST IPPAT# to 4uer. te corres%onding link bearing te )ault. I* %at3

=3 Ceck te route on te M=>>>3Run te MML command DSP IPRT to ceck eter te I* route to te %eer de+ices is con(gured )o%at3Run te MML command ADD IPRT to add te I* route to te %eer de+ices )or te corres%onding link3

@3 Ceck te con(guration o) te bearing netork3

Contact te administrator o) te bearing netork to ceck eter te route o) te bearing netomessage is not blocked3Contact te engineers res%onsible )or netork administration to correct te netork con(guration3

?3 Reset te )ault. board on te M=>>>3Run te MML command RST BRD to reset te )ault. board3

13 Ceck te cabling beteen te RRU and te A*M3

=3 Re%lace te $*MU3

13 Ceck te cabling beteen te U;RRU and te $CMU3

=3 Re%lace te $CMU3


59/67

13 Ceck eter te board is installed in te slot3

=3 Remo+e and reinstall te board3 #ait until te board is started3Ceck eter te alarm is cleared3

@3 Re%lace te board3

?3 Install te board in te slot3 #ait until te board is started3Run te MML command DSP BRDVER to 4uer. te ootR"M +ersion o) te board3 Ceck eter trelated instructions in te u%grade guide3Run te MML command ACT SOT"ARE to acti+ate te ootR"M +ersion o) te board3Run te MML command RST BRD to reset te board3Ceck eter te alarm is cleared3

3 Ceck eter te alarm is generated in all te links troug te alarm management s.stem3Ceck eter te maintenance link alarm is generated on all te boards3

B3 Remo+e and reinstall te #M*T3 #ait until te board is restarted and te RU$ LE! blinks norma

D3 Re%lace te #M*T3

3 Remo+e and reinstall te board in te )ault. link3 #ait until te board is restated and te RU$ L

G3 Re%lace te board in te )ault. link3

13 Re%lace te board according to s.stem con(guration3

Carr. out DSP BRD on te maintenance terminal to 4uer. te t.%e o) board in te )ault. slot accordRe%lace te board it te one ose t.%e matces te board t.%e in s.stem con(guration3

13 Reset te )ault. board3ased on te %arameters )or )ault. board location tat are re%orted in te alarm5 reset te )ault.

=3 Reset te detection board3ased on te %arameters )or detection board location tat are re%orted in te alarm5 reset te det

@3 Re%lace te )ault. board3

ased on te %arameters )or )ault. board location tat are re%orted in te alarm5 re%lace te )ault

?3 Re%lace te detection board3ased on te %arameters )or detection board location tat are re%orted in te alarm5 re%lace te d

13 Ensure tat te t.%e o) te RRU is correct3

=3 Re%lace te %.sical RRU3

@3 Modi). te con(guration o) te RRU3Carr. out RMV RRU to remo+e te con(gured RRU it a rong t.%e3

Carr. out ADD RRU to add an RRU3 Ensure tat te ne RRU matc it te %.sical RRU3


60/67

13 Run LST CL!MODE to 4uer. te clock re)erence mode3

=3 Con(gure clock re)erence accordingl.3'*S<LST GPSSRC 5 ADD GPSSRC

LI$E<DSP LN!SRC 5 ADD LN!SRC

I*<LST IPCL!LN! 5 RMV IPCL!LN! 5 ADD IPCL!LN!

13 Reset te )ault. board on te M=>>>3$ote< Resetting te board disru%ts some or e+en all te ongoing ser+ices o) te base station3 Terours3Run te MML command RST BRD to reset te board3

=3 Re%lace te )ault. board on site3


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13 Ceck )or te correlated alarm on te M=>>>3Ceck )or te correlated alarm o) te %ort tat bears te I*CL8 link on te M=>>>3

=B==1 Transmission "%tical Module $ot In *osition

=> Eternet Link Fault=1 MAC E,cessi+e Frame Error Rate=@ ET&"AM @A& Local Fault=? ET&"AM @A& Remote Fault= I* Address ConHict


=3 Ceck te I*CL8 con(guration on te M=>>>3Run te MML command LST IPCL!LIN! to ceck eter te I* address o) te clock ser+er and te%lan3Run te MML command RMV IPCL!LIN! / ADD IPCL!LIN! to cange te con(guration o) I*CL8 link3

@3 Ceck te con(guration o) route )rom te $E to te clock ser+er on te M=>>>3Run te MML command LST IPRT to 4uer. all te current routes3 Ceck eter an I* route connecRun te MML command ADD IPRT to add an I* route connecting te %eer clock ser+er3 Ten5 ait )o

?3 Ceck te reacabilit. o) route )rom te $E to te clock ser+er on te M=>>>3Run te MML command PING to ceck eter te route )rom te $E to te clock ser+er is reaca


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13 Ceck te data con(guration o) te remote maintenance link on site3Run te MML command LST OMC# to ceck eter te "MC& is con(gured3Run te MML command ADD OMC# to con(gure te data o) te "MC& based on te con(guration %lRun te MML command MOD OMC# to con(gure te data o) te "MC& based on te con(guration %Run te MML command LST IPRT to ceck eter te con(guration o) te I* route used b. te "

Run te MML commandRMV IPRT

5ADD IPRT

to modi). te con(guration o) te I* route according to

=3 Ceck )or te correlated alarms on site3Ceck )or te correlated alarms o) te "MC& on te LMT<

==1 IMA/ATM Link Loss o) Cell !elineation==> Fractional ATM Link Loss o) Cell !elineation=B> ***/ML*** Link Fault=B1 ML*** 'rou% Fault=> Eternet Link Fault= I* Address ConHict=G Eternet Trunk 'rou% Fault

=G=1 S!&/S"$ET Loss o) Frame=G== S!&/S"$ET Loss o) Signal


@3 Ceck te M=>>>3Contact te maintenance %ersonnel in carge o) te M=>>> to ceck eter te M=>>> is o%eratstation is correct on te M=>>>3

Contact te maintenance %ersonnel in carge o) te M=>>> to recti). te )ault3

?3 Ceck )or )aults in te transmission netork on site3

13 Ceck te local clock o) te $E on te M=>>>3Ceck )or te correlated alarm on te M=>>><

=B=B= E,ternal Clock Re)erence *roblem

Clear te correlated alarm it recommended actions3 Ten5 ait )or 1 minutes3

=3 Ceck tat te local E1/T1 con(guration is consistent it te %eer E1/T1 con(guration on teRun te MML command DSP E1T1 to ceck eter te line code o) te )ault. E1/T1 is consistentRun te MML command SET E1T1 to cange te line code o) te local E1/T13 Ensure tat te line cote %eer E1/T13

@3 Ceck te E1/T1 grounding on site3Ceck eter te E1/T1 grounding meets te re4uirements3'round te E1/T1 transmission cables %ro%erl. and ten ait )or 1 minutes3

?3 Ceck te E1/T1 transmission link on site3Ceck eter te E1/T1 transmission link is )unctional3 Ceck )or te damaged cable5 loose conn



63/67

13 Ceck te FER tresold on te M=>>>3Run te MML command LST ET#PORT to ceck eter te %arameter MAC Frame Error Rate "cc%ro%erl.3Run te MML command SET ET#PORT to cange te setting o) te %arameter MAC Frame Error Ra

=3 Ceck te Eternet cable connected to te local Eternet %ort on site3Ceck eter te LE! on te Eternet %ort is blinking normall.3

@3 Re%lace te Eternet cable3

13 Ceck )or te correlated alarm on te M=>>>3Ceck )or te correlated alarm on te )ault. C*RI %ort o) te RF unit on te M=>>><

=B@= RF Unit &ardare Fault=B@> RF Unit AL! Current "ut o) Range


=3 Ceck te attenuation o) te RF unit on te M=>>>3

@3 Reconnect te 9um%er to te antenna %ort o) te RF unit on site3

?3 Re%lace te TMA on site3

3 *oer c.cle te RF unit on site3

B3 Re%lace te RF unit on site3

13 Ceck te status o) te main control board in te oter mode on te M=>>>3"%en !e+ice *anel on te M=>>>5 and ceck eter te status o) te main control board in te o#ait minutes3 Ceck eter te alarm is cleared3

=3 Reset te main control board o) te current mode on te M=>>>3Run te MML command RST BRD to reset te main control board o) te current mode3 #ait until t

@3 Reset te main control board o) te oter mode on te M=>>>3Run te MML command RST BRD to reset te main control board o) te oter mode3 #ait until te

?3 Reseat te main control board o) te current mode on site3

3 Reseat te main control board o) te oter mode on site3

B3 Re%lace te main control board o) te current mode on site3

D3 Re%lace te main control board o) te oter mode on site3


64/67

13 Reset te )ault. board on te M=>>>3$ote< Resetting te board disru%ts some or e+en all te ongoing ser+ices o) te base station3 Terours3Run te MML command RST BRD to reset te board3

=3 Remo+e and reinstall te )ault. board on site3


?3 Remo+e and reinstall te main control board on site3

3 Re%lace te main control board on site3

B3 Re%lace te U subrack on site3

13 Ceck te C*RI %ort o) te U on site36a7 Reseat te o%tical module and connector on te )ault. C*RI %ort o) te U on site3

6b7 Re%lace te o%tical module3

13 Ceck tat te bandidt o) te I* %at is con(gured correctl.3Run te MML command LST IPPAT# to ceck eter te recei+e bandidt and transmit bandidtcon(gured on te R$C 3

=3 Ceck te bandidt o) te %.sical link beteen te $E and te R$C3


65/67

13 Ceck )or te correlated alarm on te M=>>>3Ceck )or te correlated alarm on te )ault. C*RI %ort o) te U on te M=>>><

=B=@> U C*RI "%tical Module Fault=B=@1 U C*RI "%tical Module or Electrical *ort $ot Read.

=B=@= U "%tical Module Transmit/Recei+e Fault=B=D= Inter-S.stem RF Unit *arameter Settings ConHict=B=@ RRU $etork To%olog. T.%e and Con(guration Mismatc


=3 Ceck te o%tical connections on site3Ceck te o%tical connections beteen te U and te loerKle+el RF units3 Troublesoot te imbending or de)ormation3

@3 Ceck te cable connections on te C*RI %ort o) te U on site3

?3 Re%lace te loer-le+el RF unit on site3

3 Clear te )ault in te U on site36a7 "n te U side5 reseat te board3

6b7 Re%lace te board3


66/67

13 Ceck te C*RI %ort o) te current-le+el RF unit on site3

=3 Ceck te C*RI %ort o) te %eer de+ice on site3

@3 Ceck te o%tical connections on site3

13 Ceck te local IMA link on te M=>>>3Ceck )or te correlated alarm on te E1/T1 link tat bears te IMA link on te M=>>><E1/T1-Correlated Alarms<==@ IMA Link Loss o) Frame==? IMA Link "ut o) !ela. S.ncroniJation==1 IMA/ATM Link Loss o) Cell !elineation


=3 Ceck tat te E1/T1 cable is correctl. connected3Run te MML command STR E1T1OLTST on te M=>>> to ceck eter te oine test on te E1be success)ull. started3


67/67

Alarm Class

U C*RI Inter)ace Error &ardare

U C*RI "%tical Inter)ace *er)ormance !egraded &ardare

U C*RI "%tical Module or Electrical *ort $ot Read. &ardare

U "%tical Module Transmit/Recei+e Fault &ardare

oard &ardare Fault &ardare

oard &ardare Indication Fault &ardare

oard Maintenance Link Abnormal Alarm &ardare

Fan Stalled &ardare

Radio Signaling Link !isconnected &ardare

RF Unit Clock *roblem &ardare

RF Unit Maintenance Link Failure &ardare

RF Unit "%tical Inter)ace *er)ormance !egraded &ardare

RF Unit RX Cannel Fault &ardare

RF Unit 0S#R Tresold Crossed &ardare

ESL Link Fault Site !on

'SM Cell Manuall. locked Site !on

'SM Cell out o) Ser+ice Site !on

"ML Fault Site !on

TRX Manuall. locked Site !on

E1/T1 Alarm Indication Signal Transmission

E1/T1 Loss o) Frame Alignment Transmission

E1/T1 Loss o) Signal Transmission

E1/T1 Remote Alarm Indication Signal Transmission

alarm class issue

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