CC BC CN THIT TRC KHI LP T BTSSau khi kho st, bn v thit k ca cng trnh s c hon thnh.Trc khi lp BTS nht thit phi c bn v thit k c ch u t ph duyt m bo tnh thng nht gia bn thi cng v b phn thit k, cng nh gia nh thu v ch u t.Trnh trng hp b dng thi cng khi bn thit k cha c ph duyt.Chun b cc th tc php l tin hnh thi cng nh giy gii thiu, cng vn(nu c).Khi n a im cng trnh cc cn b nhn vin phi mang th ca cng ty. i vi i thi cng phi chun b cc ng phc thi cng ca cng ty.i thi cng c trch nhim chun b y cc dng c thi cng, phi kim tra cn thn cc dng c thi cng trn ct nh dy an ton, m bo him, puli, thng.Khi kim tra thy an ton km phi loi b v ngh thay mi.Trc khi nhn mt cng trnh tt c cc i trng phi yu cu ch nhim cng trnh thng bo y cc thng tin v a im cng nh cc th tc ra vo chun b mt cch y nht cho qu trnh lp t ng thi phi tm hiu k cc thng tin qua bo co kho st.

TNG QUT QUY TRNH LP T BTS HUAWEI NHN HNG TI SITE M KIM HNG HA LP PHNG NTHI CNGLP T INDOOR KIM TRA CC IU KIN THI CNGLP T OUTDOORKIM TRA LP TKIM TRA NGUN DCBT TH BNG NGUN DC KT THC GHI LI SERI THIT B V K KT CC BIN BN VI GIM ST

1. TH TC NHN HNG V M KIMCc d n khc nhau c th tc nhn hng khc nhau nhng c th chia lm 3 loi nh sau:Nhn hng ti site(ch yu cc d n hin ti u dng th tc ny)Phi hp cng gim st thc hin vic m kim hng ho v k nhn hng. Lin h trc cc th tc ra vo.Trong trng hp khng c gim st vn phi thc hin cc bc m kim chc chn thit b y lp t.Nu thiu lm bin bn lit k vt t thit b thiu bo v kho trnh vic chm tr qu trnh lp t.Nhn hng ti kho ca i tc.Kim tra nhn hng y theo bng k ca cng trnh, k nhn cng th kho ca i tc.Ch cc ni quy ca kho bi.Nhn hng ti kho ca cng ty COMATEL.Kim tra nhn hng y theo bng k ca cng trnh, k nhn cng th kho.

2. KIM TRA, LP PHNG N THI CNGCc iu kin thi cng c th hin trong cc bo co kho st tuy nhin v l do no c th cc bo c sai st chnh v vy vic kho st nhanh li cc iu kin trc khi thi cng l ht sc cn thit m bo vic thi cng c tin hnh mt cch tt nht. C my im chnh cn ch nh sau:Kim tra an ton ca ct, cu trc ca phng my.Cc iu kin mi trng xung quanh khu vc lm vic trn cao m bo an ton khi thi cng trn cao(vng dn c,nh my)Kim tra ngun in dng thi cng v ngun in dng cung cp cho thit b s dng sau ny.Kim tra h thng tip a, cu cp.Kim tra cc thit b c (nu c) ang s dng trong phng.Tuyt i trnh lm h hng v tt ngun ca cc thit b ang hot ng.Sau khi kim tra tt c cc im trn tin hnh lp phng n thi cng ti u nht ph hp vi thit b v s cho php ca c quan hoc ngi ch a im cng trnh.

3. LP T PHN INDOORCc cng vic chnh ca lp t phn Indoor nh sau: Sp xp cc t BTS, t ngun, t hoc gi truyn dn theo bn v thit k. Nu thc t khng kh thi nh theo bn v c th thay i v tr sao cho hp l nht. C nh v tr cc t trn sn ca phng my, ch khi lm vic trn sn gi trnh lm hng sn gi ca phng my. T BTS phi bt xung trc ri c nh t sau, phi dng cc ming cch in. Cc bc c nh t BTS c minh ha theo cc hnh sau v tng t cho vic lp t t ngun v t truyn dn.

LP T PHN INDOORKhoan l v dng vt n M12 bt ca BTS ln snKim tra thng bng ca mt tNng t ln cao hn v t chnh xc t BTS vo v tr

LP T PHN INDOORLp t t ngun v t hoc gi truyn dn c cc bc tng t nh lp t t BTS tuy nhin c cc im cn ch nh sau:Vi t ngun, thit b vin thng l thit b s dng ngun 1 chiu v vy khi thi cng lp t cn ht sc ch cc cc ca c quy. Tuyt i khng c hai cc ca c quy chm vo nhau gy chp chy, c th gy thng tch v lm hng thit b. Mt nguyn tc u tin l c quy s c u cui cng v khi lm vic nht thit phi bc cc u cc ca c quy li trnh dng c kim loi chm vo. Cc dng c dng u dy c quy cng phi c bc bng dnh cch in.Mt im chung khi lp t cc t l v tr ca cc t khng c qu gn tng hoc qu gn iu ho trnh tnh trng b nc lm chp gy hng thit b. Trong qu trnh lp t cc t cn trnh va chm xy xt lm hng b mt sn ca t.

LP T PHN INDOORCc li thng hay gp khi lp t cc t trong phng my

LP T PHN INDOORLp t h thng cu cp trong phng hoc ngoi tri(nu cn thit)Cc bc lp t cu cp trong phng nh sau:o c v ly du cn thn v tr bt cu cp theo bn v thit k v ph hp vi v tr ca cc t c c nh.V tr ca cu cp so vi l Feeder ca phng my phi ngang nhau trnh nc c th theo Feeder v cc loi dy cp khc chy vo trong phng my.Cu cp phi nm trn mt phng ngang song song vi sn nh.Cu cp phi c cch in vi tng, nn hoc trn nh.M ca vt M8(ring cu cp ca Huawei) phi quay xung di.Cu cp phi c b tr hp l, trnh cc on d tha khng cn thit.

LP T PHN INDOORCc nh di y miu t mt s li c bn khi lp cu cp ca Huawei

LP T PHN INDOORSau khi lp t cc t v h thng cu cp tip tc tin hnh vic chy cc loi dy ngun v dy tn hiu gia cc t.C cc loi dy ngun ch yu sau:Dy ngun DC(thng l dy c tit din 25mm2 hoc 16mm2) gia t ngun v t BTS. Gm 2 dy 0V v 2 dy -48V, thit b Huawei th dy 0V mu en cn dy -48V l mu xanh dng.Dy ngun AC t hp AC ca h tng phng my n t ngun. Dy ngun AC c th l dy 3 pha hoc mt pha tu tng nh cung cp.Dy DC cho c quy, thit b ca Huawei th c quy gm 2 t nm ngoi t ngun v c ni vi t ngung bng 2 dy en (u vo cc dng ca c quy) v 2 dy xanh (u vo cc m cu c quy) dy DC dng dy 95mm2.

H THNG NGUN VIN THNGChnh lu(Rectifier)Phn phi ACAC vo 1AC vo 2c quyPhn phi DCThit bH thng ngun c bn cung cp cho thit b vin thng

Background

computer

RS-485

RS-485

RS-232

~

Monitoring

module

RS-232

~

MODEM

PSTN

MODEM

Monitoring

center

AC distribution

Rectifiers

AC mains I

AC mains I I

7

...

...

Battery

DC distribution

Telecom equipment

AC

4

-

-48 VDC

-

-48 VDC

-

~

1

9

6

3

0

8

5

2

F4

F3

F2

F1

CC LI THNG GP KHI U DY NGUN

CC LI THNG GP KHI U DY NGUN

Lp t phn Outdoor c cc phn chnh sau:Lp t h thng AntenLp t h thng FeederLp t h thng khuch i nh ct (TTA) nu cLp t h thng tip a cho feederKt ni h thng anten v feeder qua cc connector.

4. LP T PHN OUTDOOR

Cc bc c bn :D b Antenna khi v hp. Xc nh hng theo thit k mng.Nu b g antenna cha c th phi ko g antenna v lp g trc.Ko Antenna ln ct (dng Puli v thng).C nh antenna theo cc hng nh sn.Cc ch khi lp t Antenna:Tuyt i an ton khi leo ln ct (bt buc phi dng dy lng an ton).i vi ngi ko antenna o pha di phi c m bo him, khoang vng khu vc nguy him xung quanh chn ct.Antenna phi c lp trong gc ph l 45 ca kim chng st nh ct.Lp antenna v g antenna phi ch sao cho antenna khng b nghing theo phng thng ng. Trnh lp ngc cc ph kin ca anten gy kh khn cho qu trnh ti u ha mng.

LP T ANTENNA

LP T ANTENNA

Mt s hnh nh v lp t antenna :

Cc bc c bn lp t h thng Feeder:D b Feeder ra khi l cun v chia thnh cc si nh theo thit knh du 2 u ca tng si feeder trnh nhm ln khi kt ni feeder vi BTS.Tin hnh lm u connector(pha kt ni vo antenna)cho tng si feeder tht cn thn. Qun bng dnh vo 2 u feeder bo v khi ko ln ct.Ko feeder ln ct, c nh cc si feeder dc theo ct v cu cp ngoi tri theo cc th t nh sn.Kt ni feeder v antenna thng qua dy jumper(dy nhy).Tin hnh lm tip a cho feeder, a feeder vo trong phong my theo th t tng hng antenna.Kt ni feeder vi BTS cng thng qua cc dy jumper.nh du li cho cc si feeder bng nhn cng. LP T FEEDER

CC CH KHI LP T FEEDER

CC CH KHI LP T FEEDERCh khi lm bo v chng nc cho cc u connector

CC CH KHI LP T FEEDERKhi a feeder qua l feeder vo phng c 2 ch :Th t cc si feeder phi ng trnh cho nhau, nhm lnPhi un cong to bng trnh nc cho cc si feeder i vo phng.

CC CH KHI LP T FEEDER

CC CH KHI LP T FEEDERCh : C bn im cn lm nhn nh du si feeder :im gn kt ni antennaim trc khi vo phng myim sau khi vo phng myim trc khi kt ni vo t BTS

H THNG TIP A C BN

5. LP T H THNG CNH BO NGOIH thng cnh bo ngoi no c cc phn chnh bao gm: cnh bo m ca, cnh bo khi, cnh bo hng ngoi, cnh bo nhit , m, cnh bo nc, cnh bo mt ngun Thit b ca Huawei cc sensor cnh bo s kt ni vi mt hp cnh bo(EAC box) v t hp cnh bo s chy v t BTS.Khi u cnh bo phi ht sc ch n cc v tr lp cc sensor sao cho ng mc ch s dng. Ring hp cnh bo ca Huawei phi ch gt nhng cng tc nh th cc sensor mi hat ng c.

6. KIM TRA, HON THIN LP TCc bc kim tra lp t nh sau:Kim tra phn Indoor bao gm cc phn chnh nh t BTS, t ngun, cu cp,truyn dn, cnh boKim tra phn Outdoor bao gm cc phn nh antenna, feeder, jumper, tip a, connectorKim tra phn ngun DC ni t c quy vo t ngun, t t ngun ra cc thit b, dng ng h o in xc nh chnh xc cc kt ni. Kim tra cc u ct v mi kt ni.Kim tra phn kt ni trong t BTS, cc connector phi c vn cht bng cl v t vt.Kim tra cc lung truyn dn nu c. Kim tra cc dy ngun v dy tn hiu sao cho khng ct nhau,khng b buc vo nhau, tt nht l cch nhau t nht 10cm.Ch nh nhn cho ton b phn tn hiu cng nh phn ngun.Sau khi kim tra ton b phn lp t cng nh phn ngun tin hnh bt th thit b vi ngun DC ca Battery c sn. Khi thit b chy th ok, tt thit bDn v sinh phng my, kim tra li vt t tha sau lp t, lm bin bn t nghim thu(bao gm c ghi serial ca ton b thit b) v lm bo co nhng vn cn tn ti.

Cc ch khi lp t Outdoor1. Anten phi lp thng ng, khng nghing, vn. Hng anten v nghing (downtilt) lp theo ng thit k. Sai s cho php vi hng l 50 vi nghing l 0.50. Ton b anten nm trong vng bo v 450 ca kim chng st. 4502. nh du hai u feeder trc khi ko ln ct trnh nhm ln, cho feeder. y l li rt nghim trng v thng xuyn xy ra. Li ny nh hng rt ln n cht lng mng do nh hng trc tip n uy tn ca cng ty.

3. Khi ko feeder cn ko thng, khng bt cho, kp feeder vi khong cch 1.5. Khi kp feeder tun theo quy tc t di ln trn, t tri qua phi.Vi loi kp cp Huawei 3 l: Hai si di cng dng cho hng 0 (Sector 0) hai si gia dng cho hng 1, hai si trn cng dng cho hng 2. (p dng cho loi 3 l).

Hng 0 Hng 1 Hng 2

4. Lm tip a cho feeder ti cc im im: + u feeder trn nh ct, trong phm vi 1m t conector. +Trc im un t ct xung cu cp (trong phm vi 1m).+Trong khong 1m trc khi vo phng.+Nu di feeder trn ct > 60m cn lm tip a cho feeder ti im gia ct.Nu di cu cp > 20, cn lm tip a cho feeder ti im gia cu cp.Ch khi bt dy tip a cho feeder dy tip a phi chy xui xung di vi gc < 150. u dy tip a phi bt chc chn vo dy ng hoc ct.

Cc ch khi lp t Outdoor

Cc ch khi lp t Outdoor5. Phi lm bng ct nc trc khi a feeder vo l feeder. Bn knh cong ca im un feeder > 20 ng knh feeder.

6. Sau khi chy ht dy feeder, dy jumper cho anten GPS cn dng Silicol bt cc ch h trn ca s feeder.

Cc ch khi lp t Outdoor7. Bo v chng thm nc ti cc conector v cc im tip a feeder cn phi lm cn thn, theo ng quy cch.

8. Anten GPS phi c lp t ch thong vi gc m > 900 theo phng thng ng. Conector ca GPS phi c bo v chng thm nc.

Lp t BTS xung sn nh1. Lp t t xung sn:Dng 04 n bt tm xung sang. Gia tm v mt sng phi cch in bng 2 tm cch in i kem thit b. N phi bt y cc thnh phn theo ng th t: vong nha cch in, long en phng, long en vnh.t t ln v dng Livo kim tra thng bng ca t. lch theo phng thng ng phi < 3mm. Nu cha cn bng phi dng cc ming m cho cn bng, sau bt cht t xung . Lp t t ngun v t Optix (nu c) tin hnh tng t. Cc t phi thng hng, lch cho php < 5mm.

Php cch in

Cm card vo t BTS2. Cm card vo t: Sau khi lp t t xung sn tin hnh lp cc card vo trong t. Khi cm card phi ht sc cn thn, lp ng v tr, ng cch, phi i gng tay, eo vng cc in vi 1 u ni vo t ca t BTS. Khi lp t khng s tay vo bn mch.Sau khi card c lp vo ng v tr phi vn c c nh card li.

V TR CC CARD TRONG T BTS 3606 HUAWEI

Cch u ni dy lung t BTS v Metro vo DDF

Chy dy lung gia BTS v DDF: Dy lung ca BTS CDMA c 01 si, c 04 lung lp v cng E1_0 trn nc t BTS. (08 cp dy). B tr mu dy nh sau:

Mt tri phinMt phi phinMt phi phin Phin 1 Phin 2 Phin3 Phin4

Lung sMu dyThit bChc nngMt phinSi lung0Trng - DngBTS Pht 0Phi 110Trng - DngMETROThu 0Tri 110Trng - CamBTSThu 0Phi 110Trng - XmMETROPht 0Tri 111Trng - LcBTSPht 1Phi 111Trng - CamMETROThu 1Tri 111Trng - NuBTSThu 1Phi 111 - DngMETROPht 1Tri 112Trng - XmBTSPht 2Phi 212Trng - LcMETROThu 2Tri 222 - DngBTSThu 2Phi 212 - CamMETROPht 2Tri 223 - CamBTSPht 3Phi 213Trng - NuMETROThu 3Tri 223 - LcBTSThu 3Phi 213 - LcMETROPht 3Tri 22

Lp cnh boCnh bo cho phng BTS Huawei gm 2 loi vi l ROBOT v EMERSON cch u ni tng t nhau. Cnh bo gm hai b phn chnh: hp cnh bo v cc sensor (thit b pht hin cnh bo). T cnh bo c bt cht vo tng phng my. Cc sensor cnh bo c lp vo cc v tr thch hp: + Cnh bo ca c lp vo ca ra vo, ch lp ng chiu ca hai phin cnh bo.+Cnh bo khi lp trn nc t BTS.+Cnh bo nhit , m lp trn nh t BTS hoc t ngun.+Cnh bo hng ngoi lp hng ra gia phng pha ca ra vo.+Cnh bo nc lp st mt sn phng my.Khi chy dy t cc thit b cm cnh bo vo hp cnh bo bt buc phi nh du du dy pha hp cnh bo l dy ca cnh bo g. Hin ti cc i cha c nhn cho cc dy cnh bo u vo hp cnh bo.

V li s b tr thit b trong phng my, ct ca trm theo thc t. Bn v bao gm:+ Bn v chiu ng ca cc thit b b tr trong phng my bao gm t BTS, t ngun, Acquy, Metro, DDF, hp cnh bo, hp AC (Xem v d bn di).+ Bn v chiu ng v tr ca ct v phng my, cu cp outdoor (Xem v d bn di).

V tr ca Ct anten v phng myGhi r cao ct

Hnh chiu ng phng myXc nh ng v tr cc tGhi r khong cch gia cc t vi nhau, gia cc t vi tngXc nh ng v tr ca cua phng my, v tr l feeder

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