QUY TRNH BO DNG BTSTP ON BU CHNH VIN THNG VIT NAM

NI DUNG

1 2

Quy nh quy trnh bo dng BTS Mu h s bo dng BTS

QUY NH QUY TRNH BO DNG BTS

1 2 3

Quy nh v an ton

Nhn lc v cng c bo dng

Ni dung chun b

4

Ni dung bo dng

QUY NH V AN TON

Khi qut chung Cc quy nh v an ton

Qun o v trang b bo h an ton phng tnh in

QUY NH V AN TON: KHT QUT CHUNG Vic bo dng nh k CSHT Trm BTS phi do nhng ngi c o to y kin thc v an ton, cc ni dung k thut bo dng cn thc hin, c kim tra sc kho nu cn thit. Trch nhim ca mi ngi l phi m bo an ton cho chnh h, cho ng nghip v cho tt c nhng thit b lin quan.

(C s h tng (CSHT) Trm BTS Macro ca Vinaphone bao gm cc H thng thit b ph tr nh: v Trm, Ct cao (bao gm cu cp, mng cp), Thit b truyn dn, Ngun in AC, Thit b chng st, Thit b iu ho nhit , Dy t cng tc).

QUY NH V AN TON: QUY NH (1)Cc quy nh v an ton sau y c p dng bt buc i vi nhng cn b k thut thc hin qu trnh bo dng trm BTS: Khng ht thuc l trong phng my. Khng bao gi c phn cch mch in bng cch tho cc cu ch hoc cc b phn cch trc khi tt cu dao in, bi v nh th s nguy him d h quang in gy ra. Kho v ng kn tt c cc im cng tc v u ni, k c cc chuyn mch t ng hoc iu khin t xa. Duy tr cc bng bo an ton thch hp, ch di chuyn khi c s cho php ca ngi ph trch cng vic. Ch c ln lt ct hoc c lp tng t Accu khi ang lm vic, khng c php phng qu 50% thi gian d tr tng cng ca Accu. Tho b tt c trang sc bng kim loi, ng h, cc vt c khung bng kim loi trn trnh chp in.

QUY NH V AN TON: QUY NH (2) Tt c cc dng c phi c bc nha trnh chp in gia ng dn v kim loi ni t. Khng chp nhn vic dng bng dnh qun dng c. S dng cc loi thang khng dn in. an ton ch ln lt h tng ng dn in thao tc. Quan st ng cc cc, lun nh du cc dy dn khc nhau bng cc bng dnh c mu khc nhau. Trc khi ni ti gi vo h thng Accu phi m bo cng tc ti gi ang v tr tt . Lun lun gi cho cc u dy cch in nhau cho ti khi u ni xong hon ton. Khng c di chuyn hoc tho ri cc np y v panel truy nhp ca ngun cung cp v thit b chuyn i trong khi thit b vn hot ng tr khi tht cn thit trong lc tm li. Khng c tho cc u giao tip quang khi cc thit b quang ang hot ng, trnh nhn bng mt thng trc tip vo cc u giao tip thu pht quang trnh tia lazer lm tn hi n mt.

QUY NH V AN TON: QUY NH (3) Tt c cc thao tc bn trong phng my phi rt cn thn, trnh lm nh hng n cc thit b gy mt thng tin lin lc khng mong mun. Ch nhng ngi c o to v ct cao, c chng nhn mi c cng tc trn ct cao. Khng c s dng cc cht kch thch trc khi cng tc trn ct cao. Khng cng tc trn ct trong iu kin thi tit xu (ma, bo, sm st ....) v ban m. Khi lm vic trn trn ct cao, phi tht dy an ton, c m bo h, ti ng dng c thun tin, chc chn, trnh ri vt, dng c t trn cao xung. Khi lm vic trong cc iu kin nguy him phi c ngi theo di, gim st v h tr. Ghi ch: Ct cao c xem l cc ct c chiu cao trn 20m so vi mt t.

QUN O V TRANG B BO H AN TON Khi lm vic vi thit b in phi mc tt c qun o khng dn in, hoc c th u phi bc bng vt liu cch in. Khi ni hoc tho cc thit b lin kt vi ngun ang hot ng phi bo v mt bng mt n, knh. Khi lm vic vi ngun AC phi eo gng tay cch in v s dng thm tri nn nh cch in v chng phi chu c gi tr in p tng ng.

PHNG TNH IN

Khi lm vic vi cc thit b c cc b phn cm in p tnh in phi m bo s dng dy ni t hp l v thm tri t.

NHN LC V CNG C BO DNG

Nhn lc bo dng Dng c bo dng

NHN LC BO DNG

K s vin thng Nhn vin ngun in, accu, chng st, iu ha

Nhn vin ct cao

NHN LC BO DNG: K S VIN THNG Ph trch chung cc cng vic ca t bo dng, phn cng v gim st cng vic bo dng, chu trch nhim chnh v kt qu bo dng ca T cng tc. Phi c o to chnh v kin thc thng tin di ng GSM, cc loi thit b trm BTS mng Vinaphone, thit b truyn dn viba, c kh nng qun l, nm bt cc cng vic. m nhim chnh cc cng vic lin quan n lnh vc vin thng (thit b trm BTS, thit b truyn dn Viba, o kim vng ph sng , cht lng dch v trm BTS)...

NHN LC BO DNG: NHN VIN NGUN, ACCU c o to chnh v thit b ngun, accu, chng st v in lnh c b tc kin thc c bn v vin thng, l thuyt c bn v di ng, trm BTS mng Vinaphone. Thc hin cng vic bo dng theo s phn cng ca ngi ph trch. m nhn chnh cc cng vic bo dng thit b ngun, h thng accu, thit b chng st, h thng tip t, chiu sng, thit b iu ho, h thng cnh bo ngoi (t nhp, nhit , bo khi, bo chy, ...), thit b phng chng chy n...

NHN LC BO DNG: NHN VIN CT CAO Phi c o to v cp chng ch ct cao, yu cu phi m bo sc kho trc khi thc hin cc cng vic bo dng trn ct cao.(Tuyt i khng c s dng ru bia khi tro ct cao). Thc hin cng vic bo dng theo s phn cng ca ngi ph trch. m nhn chnh cc cng vic bo dng phn outdoor nh h thng ct anten, h thng cu cp, b g anten, anten v feeder, h thng tip t v chng st .....

DNG C BO DNG (1) My ht bi cm tay.

Gi lau, bn chi mm, cn cng nghip, m cng nghip ... Giy an ton cho ngi leo ct cao Tua vt, c l, m lt, thc o gc nghing, lt buc ... 01 M hn v cc vt dng cn thit hn. 02 ng h vn nng (Chauvin arnoux CA 5220, HIOKI Digital Multimeter). 01 Ampe km ch th s/kim (KYORITSU 2003 Digital Clamp meter, KYORITSU 237 Digital Clamp meter KYORITSU 2608 Clamp meter, FLUKE 36 Clam Meter).

DNG C BO DNG (2) 01 My o in tr t ( KYORITSU 4105).

01 My o lung truyn dn 2Mbps (HP Prober 2, HP E7580A, PA 20, Sunset E10). 01 My o cht lng Accu (Midtronics CTM-300). 01 b ti gi 200A DC vi cc bc tng dng 2,5 A v cp u ni ph hp thc hin bo dng accu.

01 b my nn xch tay c dng ra 150A.

DNG C BO DNG (3) 01 My o nhit bng hng ngoi.

01 My n. 01 My nn kh kh.

My kim tra u connector quang. 01 Bnh ga np kh my lnh.

Dung dch NaC03 (5%).

NI DUNG CHUN B

Lp k hoch bo dng Cng tc thu thp s liu

Cng tc chun b phng tin, dng c

LP K HOCH BO DNG

Lp k hoch bo dng nh k cc Trm BTS (tuyn bo dng, danh sch trm BTS cn bo dng, lch trnh bo dng); Chun b v phn cng nhn s cho bo dng; Thng bo k hoch bo dng n cc n v lin quan gii quyt cc th tc cn thit v phi hp thc hin bo dng.

CNG TC THU THP S LIU Chun b y kt qu bo dng ln gn nht ca cc trm BTS trong danh sch bo dng. Thng k cc tn ti cn khc phc hin ang c cc trm BTS trong danh sch bo dng. Thng k tnh hnh hot ng ca trm trong thi gian k t lc bo dng gn nht n nay (s c mt lin lc bt thng do ngun, accu, truyn dn, Alarm List) nh gi cc cng vic cn phi ch trng x l cc cnh bo. Thng k cc trm BTS ln cn (km theo cc tham s v tuyn) c t ln bo dng trc v mi a vo khai thc trong thi gian gn y ca mi trm BTS. Thng k phn nh ca khch hng v vng ph sng, cht lng dch v ca trm BTS trong thi gian 1 thng gn nht.

CNG TC CHUN B PHNG TIN, DNG C Chun b y cc dng c, phng tin ti thiu phc v cho cng tc bo dng trm BTS theo quy nh. Cn c vo s liu thu thp c trn chun b cc vt t d phng thay th theo yu cu c th ca tng trm BTS trong tuyn bo dng. Cn c vo s nhn s, s lng dng c, vt t d phng cn thit chun b phng tin t vi trng ti ph hp.

NI DUNG BO DNG

1. BO DNG OUTDOOR 2. QUY TRNH BO DNG T BTS 2G/3G 3. QUY TRNH BO DNG TRUYN DN 4. QUY TRNH BO DNG NGUN 5. QUY TRNH BO DNG THIT B PH TR

BO DNG OUTDOOR

1. Mc ch 2. Nhn s tham gia 3. Thit b s dng 4. Quy trnh thc hin

BO DNG OUTDOOR: MC CH Kim tra tng qut v chi tit tnh trng h thng, m bo chc chn, an ton vn hnh. Pht hin li, h hng, nh hng nguy him n h thng v khc phc m bo h thng hot ng tt. a ra quy trnh c bn thc hin bo dng thit b bao gm: Ct anten, cu cp, feeder H thng anten, b g anten H thng tip t, chng st cho ct anten, cu cp, feeder

BO DNG OUTDOOR: NHN S THC HIN Ngi thc hin bo dng thit b outdoor phi nm r cc quy nh v an ton, c o to v c chng ch ct cao. Ngi thc hin bo dng c nng lc chuyn mn v ni dung thc hin.

BO DNG OUTDOOR: THIT B S DNG

Dy an ton, m an ton cho ngi leo ct cao. Tua vt, c l, m lt . Thc o gc nghing, la bn. Sn chng g, m b .

ng h o in tr t. Cc vt t thay th.

BO DNG ANTENA, CU CP, FEEDER Kim tra tnh trng ct anten t ng, nu anten dy co kim cng ca dy co, cc im ni dy co (bi m) m bo chc chn.

Kim tra chc chn ca cu cp, kim tra cc im tip t, dy nhy M50 ti cc im ni cu cp. Kim ct anten, cu cp c b g hay khng, tin hnh sn chng g. Kim tra kp cp m bo chc chn ca feeder (cch nhau 1000mm phi c mt thanh kp). Kim tra cc khp ni feeder, xit cht cc u connector, kim tra v gia c cc v tr c s dng cao su non, bng keo chng nc, hi m. Kim tra un cong ca feeder ti tt c cc im m bo > = 1350, m bo trc khi vo phng my feeder phi c un cong v pha di nc ma khng chy vo phng.

BO DNG H THNG ANTENA, B G ANTENA

Kim tra anten m bo im mt cao nht ca anten khng c vt qu phm vi an ton 45 ca kim chng st. Kim tra chc chn, chng rung git ca h thng b g anten, anten (bao gm c anten viba). Kim tra cao, hng v gc ngng, song song ca b mt cc anten trong mt sector, khong cch phn tp anten m bo ng theo thit k ca trm.

BO DNG H THNG CHNG ST, TIP T (1)

Kim tra tnh trng kim thu li Franklin. Kim tra cc im u ni dy t ca h thng thu li vi h thng t chung ca trm.

Kim tra tnh trng tip t ca cu cp vi ct anten, kim tra cc dy nhy ti cc im ni cu cp. Kim tra cc mi ni gia t t bo v v t cng tc m bo tip xc tt (nh sch g ri hn bng h quang hoc Axetylen v qut sn chng g).

BO DNG H THNG CHNG ST, TIP T (2)

Kim tra cc im tip t ca feeder t yu cu (t nht phi c 3 im trc khi vo trm, trc khi u vo anten, trc khi ri ct). Kim tra cc dy tip t phi c d phng co dn 100mm v c un cong xung pha di. o kim tra in tr tip t ca h thng t.

Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG PHN INDOOR

Phng my

Thit b t ngun, n p, USPH thng Accu

Thit b ph trTruyn dn viba Thit b trm BTS

BO DNG PHNG MY V sinh phng my, kim tra trn, tng v trn nh, ca, kn l feeder. Kim tra cc yu t xung quanh c th nh hng n phng my, kim tra h thng thot nc trn trn nh (nu c). Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B T NGUN, N P, UPS (1)

V sinh cng nghip cc thit b my nn, n p, UPS (nu c). Kim tra cc im tip xc m bo chc chn.

o in p fa, lch pha, p, in p dy trung tnh v t. m bo rectifier ca t ngun (bt buc c d phng) v iu chnh cn ti gia cc rectifier.

BO DNG THIT B T NGUN, N P, UPS (2) Kim tra v sinh, cc thit b in (h thng cu dao, dy dn, cng tc, cp in v h thng chiu sng). Kim tra h thng cnh bo ca thit b ngun, accu (cnh bo mt in li AC, Rectifier Fail, in p thp LV, in p cao HV, in p thp ct LVD...). Kim tra tnh trng tip t cho v my ca tt c thit b in trong phng my (m bo tt cc tip im gia v my - dy tip t bng tip t), m bo in tr tip xc phi rt nh.

Bo dng b n p hng nm. Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG H THNG ACCU (1)

V sinh cng nghip h thng accu, kim tra sn nh t accu. Kim tra cc tip im (xit c, bi du m).

Kim tra cht lng ( dn in) tng bnh accu. Thc hin bi phng 30 pht (phng qua thit b i vi bo dng bo dng 3 thng / 1 ln) hoc 3 gi (phng qua ti gi i vi bo dng 6 thng / 1 ln) kim tra cng dng, in p ca tng bnh accu.

BO DNG H THNG ACCU (2) Kim tra nhit b mt thch hp ca accu vo nhng khong thi gian c nh trong sut qu trnh o. Nhng bnh accu c nhit b mt cao khc thng c th b li cn lu kim tra k hn qua bc o kim sau y:o Nu in p bnh no tt xung di 1.75 VPC th phi np li accu

v tin hnh li bi o. Nu xy ra ln th 2 th c th kt lun bnh accu b hng cn phi c thay th ngay.

Phi m bo tt c cc bnh accu phi c np y trc khi ri khi trm. Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B PH TR: IU HA (1) Ni dung bo dng 3 thng: V sinh tm lc khng kh. V sinh dn lnh. o in p v dng khi ng. o in p v dng lm vic. Kim tra p lc kh nn v np b xung cho iu ho. o n nh ca in p. Kim tra cc im u: u t, u cp AC cm cht cc jac cm v lm sch cc tip im.

BO DNG THIT B PH TR: IU HA (2) Ni dung bo dng 3 thng (tip): Kim tra b cnh bo iu ho. Kim tra b cnh bo nhit . Kim tra iu khin Remote ca iu ho.

Kim tra ch chuyn i d phng gia 2 iu ho (khi mt in AC v c in AC tr li). Trc khi ri trm phi m bo iu ho chy tt ng ch (ca s hng gi iu chnh 450 so vi mt phng ngang, nhit phng t 200 250C). Kim tra kn ca phng my . Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B PH TR: IU HA (3)

Ni dung bo dng 6 thng:Thc hin cc vic nh bo dng 3 thng v thm cc phn sau: Lm sch dn ngng Kim tra ng ng bo n Thng ng thot nc Kim tra qut gi Lm v sinh dn nng Kim tra c kh: n , cc ting ng bt thng , chc chn ca gi . Trc khi ri trm phi m bo iu ho chy tt ng ch . Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B PH TR: CHNG ST

Kim tra v sinh cc thit b ct lc st ngun, cht lng hot ng (%). Kim tra cc tip im u ni thit b ct lc st. Kim tra thit b chng st feeder, chng st truyn dn (trong trng hp c yu cu trang b). Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B PH TR: CNH BO

Kim tra v sinh cc thit b cnh bo ngoi (t nhp, nhit , iu ho, bo nhit, bo chy, thit b cnh bo trung tm... Tin hnh th cc cnh bo ngoi, bo nhit, bo chy trang b m bo t yu cu. Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B PH TR: CHY N

V sinh bnh cu ho.

Kim tra kp ch nim phong cc bnh cu ho. Kim tra trng lng C02 ca cc bnh cu ho t yu cu. Kim tra tiu lnh cha chy.

Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B PH TR: KHC

Kim tra v v sinh cc thit b ph tr khc (ni quy phng my, s ng in, cu hnh truyn dn, mc treo cha kho, hp cnh bo, s theo di ti sn, s nht bin, bin bo phng my, qut thng gi...). Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B TRUYN DN VI BA (1)

V sinh cng nghip thit b truyn dn Viba.

Kim tra trng thi cc n LED trn thit b nu thy c hin tng bt thng phi kp thi x l. Kim tra n nh ca ngun DC cung cp cho thit b Viba. Kim tra mc thu, mc pht, tn s ca tuyn Viba c t yu cu theo thit k.

BO DNG THIT B TRUYN DN VI BA (2)

Tin hnh o In- Service lung ang s dng trong 02 gi ng h. Kim tra xo cc cnh bo trn thit b (cc lung E1 khng dng n phi c u loop trnh cnh bo). Tin hnh o BER t nht 48 gi ng h (o out-off service trn lung truyn dn E1 cn d ca tuyn truyn dn ) tu thuc mc cn thit (thng xuyn mt lin lc, cht lng qu km....). Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

BO DNG THIT B TRM BTS (1)

V sinh cng nghip thit b trm (b mt t, nc t, cc, qut gi, ...). Kim tra v thc hin xit ng, m bo cht (bng dng c cl, mlt) tt c cc u connector RF (khng c vn bng tay khng) nhm trnh suy hao cng sut, pht x sng in t. Kim tra thit b modul cung cp ngun ca t my (yu cu c d phng v modul ngun).

BO DNG THIT B TRM BTS (2) Cn chnh, kim tra cng sut pht cc i ca tng TRX so vi tiu chun k thut ca nh cung cp thit b, thc hin cn bng cng sut ca tng DRI theo thit k (lu li kt qu), yu cu thay th nu cng sut pht cc i o c u ra ca TRX vt qu ch tiu k thut ca nh cung cp, hoc cng sut ra cc i o c ti nh cabinet nh hn 42.3 dB (17W) i vi trng hp qua mt tng combining, 45.3 dB (34W) i vi trng hp khng qua tng combining no. Cn chnh ng thu (bay level offset tables) ca tng DRI t yu cu (lu li kt qu), nu khng t yu cu phi thay th v thc hin cn chnh mi. Kim tra lch ca ng h GCLK, tin hnh cn chnh ng h GCLK nu c cnh bo hoc ng h lch ra ngoi gi tr cho php.

BO DNG THIT B TRM BTS (3)

Sp xp li theo th t ca cc RTF trn cc DRI trong mi sector. Kim tra kh nng thm nhp knh, cht lng thoi trn cc khi thu pht v tuyn. Phi hp vi Trung tm HTT kim tra v x l cc cnh bo cn tn ti ca trm trc khi kt thu cng vic bo dng. Ghi li cc tn ti sau khi bo dng bo co xin kin ca cp qun l cao hn.

KIM TRA VNG PH SNG V CHT LNG DV (1)

Thc hin driving test kim tra v nh gi cht lng dch v ca trm sau khi bo dng, lu gi s liu driving test qun l v so snh vi kt qu cc ln bo dng trc v sau. o kim tra vng ph sng theo cc im chun (la chn 10 im chun ng bin c mc thu khong 80 dBm ca mi sector o kim so snh vi ln bo dng trc ). Phi hp vi Trung tm HTT kim tra v khai bo y cc neighbor cells cn thiu, xo b cc neighbor cells khng cn thit.

KIM TRA VNG PH SNG V CHT LNG DV (2)

Ly s liu thng k t OMCr ca trm trong 5 ngy (k t Th hai n Th su ca tun tip theo sau khi bo dng so snh vi 5 ngy cng thi im ca ln bo dng trc ), c th cc s liu sau y: Total_Call Call_Setup_Success_Rate Call_Success_Rate Drop_Call_Rate Handover_Success_Rate TCH_Congestion_Rate

PHN 2 H S BO DNG BTS

Phn 1: H thng Outdoor Phn 2: H thng Indoor Phn 3: Kt qu o ph sng v cht lng dch v

PHIU BO DNG TRM BTSn v thc hin:. .................... Cng ho X hi ch ngha Vit nam c lp - T do - Hnh phc ------------o0o-----------

PHIU BO DNG TRM BTS(nh k .......... thng/ ln ) Tn trm: ....................................... Loi trm: ..................................... Cu hnh: ...................................... Ngy bo dng ...................................... Ngi thc hin : 1 ....(H v tn )........(Ph trch chung) K tn: ......... 2 ............................... 3 ............................... 4.................................

H THNG OUTDOOR: ANTENAPHN 1: H THNG OUTDOOR 1. ANTEN: Loi an ten: ................ Gain:............... S lng: ............. cao (m) Gc ngng () Hng () Phn tp (H/V) K.cch phn tp (m) B mt Song Song (Ss/k0ss)

Anten Tx1A/Rx1A Sector 1 Tx1B/Rx1B ....

Ghi ch

Tx2A/Rx2ASector 2 Tx2B/Rx2B .... Tx3A/Rx3A Sector 3 Tx3B/Rx3B ....

H THNG OUTDOOR: FEEDER

2. Feeder: di feeder H s Sng ng (yu cu < 1,33) C.sut phn x (Ycu