GII THIU CHUNGTi liu ny gii thiu v phng php bo dng cho trm BTS dng ZXSDR BS8800 Indoor GSM&UMTS Dual Mode Macro Node B bao gm chu k bo dng, thay th thit bPhn hng dn ny bao gm 5 chng v 2 ph lc. Chng 1: Cc quy nh v an ton: Gii thiu cc quy tc v an ton trong qu trnh bo dng ZXSDR BS8800 Chng 2: Tng quan v bo dng: Gii thiu v mc ch, phn loi, cch thc v cc lu cn trng trong bo dng ZXSDR BS8800 Chng 3: Chu k bo dng Chng 4: Cc khc phc: Gii thiu thng tin khc phc sa cha nhng li hng hc thng gp khi vn hnh v bo dng ZXSDR BS8800 Chng 5: Thay th cc thnh phn: Gii thiu cch thc thay th cc thnh phn ca ZXSDR. Ph lc A: Cc ch th v giao din ca cc khi bng mch Ph lc B: Cc bng biu mu bo dng

CHNG 1: HNG DN V AN TON1.1. Tng quan v an tonCh nhng cn b c trnh chuyn mn v qua o to v cu trc h thng BTS mi c php lp t, vn hnh v bo dng thit b:C nhn thc hin bo dng phi: C chuyn mn c bn v h thng BS Quen thuc vi thnh phn v mng li h thng BS C k nng v ti u mng liTrong sut qu trnh lp t, vn hnh, bo dng thit b, ngi thc hin phi tun th y tt cc cc quy nh v an ton v quy trnh thc hin lin quan ti ni bo dng trnh gy thng tch cho c nhn hoc lm hng thit b. Cc phng gii thiu trong hng dn ny ch l b sung thm i vi cc quy nh an ton ti trm.ZTE khng chu trch nhim cho hu qu xut pht t vic vi phm cc c im k thut ni chung v an ton vn hnh hay tiu chun an ton v thit k, sn phm hay s dng thit b.Cc k hiu v an ton c cho trong bng di y:K hiu ngha

K hiu cnh bo chung: Ch v an ton ni chung

Tnh in: Thit b c th nhy cm vi in tch tnh

Cnh bo in p nguy him

Nhit cao: b mt nng v c th gy thng tch nu s vo

Laser: Cn tht chm laser mnh

Sng cao tn: Cn thn sng in t mnh

Cm ht thuc

Cm la

Cm s vo thit b

Trong cc k hiu an ton trn, k hiu cnh bo chung c phn lm 4 mc: nguy him, cnh bo, ch v lu . Cc nh dng v ngha ca 4 mc c m t nh di y: Danger: Ch th tnh hung nguy him bo trc, nu khng trnh c th gy cht ngi hoc b thng nng. Ch s dng cnh bo ny trong tnh hung c bit nguy him. Warning: Ch th tnh hung nguy him, nu khng trnh c th gy b thng nng, hng thit b, mt kt ni dch v Caution: Ch th tnh hung nguy him tim tng, nu khng trnh c th gy thng tch, hng thit b hoc mt kt ni mt phn dch v.Note: Ch th cc thng tin hu ch nu b qua c th gy hu qu nh thng tch nh, hng thit b hoc mt kt ni mt phn dch v.Bt c k hiu an ton no u c m t bng ch v mc an ton v m t chi tit ni dung.1.2. Cc c tnh v an ton:An ton in: Cnh bo in git:Khng bao gi lp t hoc tho g cp ngun trong khi ang hot ng bi khi chm vo dy dn c th gy chp, chy in gy nn ha hon hay hng mt.Khng ng ngun cp trc khi kt ni hoc tho cp ngun.Trc khi ni cp, m bo cp ni c ghi nhn theo yu cu lp t thc t. Warning: Khng c php khoan vo t khi cha c php. Vic khoan khng ng cch c th lm t dy bn trong t. Thm na, cc mnh kim loi bn trong t sau khi khoan l c th gy ngn mch bng mch.Chng tnh in: Tnh in:Tnh in do c th con ngi c th ph hng cc thnh phn nhy cm vi tnh in trn bng mch nh mch t hp large scale.Vic ma st do hot ng ca con ngi l nguyn nhn ca tch t in tch tnh. in p tnh trn c th con ngi mi trng kh c th ln ti 80kV v c th tch t trong thi gian di. Ngi iu hnh vi in tch tnh c th phng in tch qua thit b khi chm vo vt dn v gy hng. Vic eo vng tay chng tnh nh (u kia ca vng tay ni t) trc khi chm vo thit b hoc cm bng mch, phch cm, chip hay cc thit b khc nhm ngn in tch tnh ca ngi ph hng cc thit b nhy cm vi in tch tnh. Laser:Trnh vic nhn thng vo chm tia laser pha ngoi b thu-pht quang hoc bn trong si quang trnh hng mt.An ton nhit cao: DangerTrnh vic s ln b mt khu vc ca mt s thit b c nhit cao trnh b bng.Cnh bo qut: WarningKhng t tay hay bt c cng c no trong qut ang chy trnh b thng. Gi cng c xa khi qut ang chy. Cnh bo khi nng vt nng: Warning Khng c i hoc ng di vt ang c nng trong sut qu trnh ko vt nng ln m bo kh nng chu lc nng ca cn trc khi tho cc thit b, di chuyn hoc thay th thit b. Ngi thc hin phi c qua o to v c sc khe cho vic ko nng thit b. Xem xt v chun b y cc cng c nng ko trc khi thc hin. m bo c nh ti chc chn trn thit b chng hoc tng trc khi thc hin vic nng vt nng. Ra hiu thc hin bng li nhc ca ngi trng nhm trong sut qu trnh nng ko vt nng trnh cc sai lm ng tic.Cn thn khi tho, lp cc khi thit b.Cc khi cp trong ti liu ny bao gm bng mch trc, sau v khi qut Caution Trnh vic lp modul qu mnh, nu khng cc chn tm nn pha trong s b cong, dp Chnh ngay ngn modul theo rnh dn v y n t t vo cm vo tm nn. Lp khi modul ng vo khe trnh b ngn mch do tip xc gia modul v b mt mch. Trnh vic s vo mch, thnh phn, u ni v chn cm cp khi cm mt modul. Modul v tuyn RF s nng khi chy, do phng b bng khi cm vo tho modul ny.i vi c nhn: Caution Khng c thc hin bo dng bn trng hoc sa li thit b m khng c php.Thay th thit b hay chuyn thit b c th gy ra cc nguy him khc, do khng thay th thit b khi khng c php.

CHNG 2: TNG QUAN V BO DNG2.1. Mc ch ca bo dngBo dng nh k lin quan n vic kim tra trng thi hot ng ca thit b mt cch thng k. Mc ch ca vic bo dng l pht hin v sa cc li kp thi trnh cc nguy c v li tim tng.2.2. Phn loi bo dngBo dng c th phn ra lm 2 loi nh sau: Bo dng nh k Bo dng khi xy ra s c2.2.1. Bo dng nh k:Cng vic ca bo dng nh k thuc trng hp ca vic bo dng nhm phng h thng hot ng li. Vic bo dng phng c thc hin theo k hoch gim st h thng thng xuyn v duy tr dch v ca ZXSDR BS8800. Bo dng nh k cho php c nhn thc hin bo dng xc nh cc nguyn nhn tim n ca ri ro, cho php vic gii quyt cc vn kp thi. Thc hin cc cng vic theo cc iu kin thi gian c th ko di tui th ca thnh phn thit b v do gim thi gian cht ca h thng.Mc ch ca bo dng nh k l tng cng nng lc ca h thng v dch v nhm s dng trong thi gian lu hn v t tn km thit b s dng nht. S dng thit b t nht bao gm gim thiu cc qu trnh khi to, chn on v s ln xung ti trm.2.2.2. Bo dng khi gp s c:Bo dng khi gp s c l trng hp bo dng khng nh trc. N l vic pht hin v sa li ngay i vi thit b li khi c tnh hung khn cp. Mc ch chnh l nhm khi phc li dch v mt cch sm nht c th. Nh khai thc mng phi tun theo ch dn ny chun b cho cc tnh hung khn cp v o to cho nhn vin.Xc nh cc nguyn nhn thng gy li, nu c th thc hin cng vic x l li theo ch dn ny. Hn na, c th lin h vi h tr khch hng ca ZTE cho cc trng hp li kh. Thu thp cc thng tin cnh bo v bn ghi li, gi cc bo co x l li lin quan v logfile ca li cho ZTE phn tch.2.3. Cc phng php bo dng chung:Phn ny m t cc phng php chung phn tch v x l li. N khc vi phng thc gii quyt li. Phng thc gii quyt li l mt kiu cch ngh s hng dn thc hin vic x l li chi tit. Di y l m t chi tit ca phng php chung phn tch v x l li.Phn tch li: Nhn chung mt h thng v tuyn gm rt nhiu cc thit b khc nhau. Du hiu li ca mt loi thit b ny s khc vi thit b khc. Do , khi ngi bo dng pht hin mt li hoc nhn mt cnh bo li, ngi ny phi phn tch biu hin li v nh gi liu thit b no d xy ra li ny trc tin, sau mi kim tra tip thit b c li hay khng. Vic phn tch triu chng li ny l rt quan trng c bit cho cc li nguy him. trnh vic vn hnh v bo dng sai i vi cc thit b bnh thng, ngi bo dng phi phn tch li mt cch cn thn v xc nh li chnh xc. Hn na, iu ny s tit kim thi gian gii quyt cc li khi phn tch li c bn.Phng php thay th:Phng php ny thng dng pht hin li. V d, khi mt li xy ra, cn thay th cc thnh phn d on l b li vi thit b d phng. Nu li khng cn chng t thit b va thay th l b li.Nguyn tc ca vic thay th nh sau: Thay th thit b gy ra cnh bo bng 1 thit b hot ng tt. Nu cnh bo ht chng t thit b trc b li. Nu cnh bo vn cn sau khi thay th, phn tch li sau hn v thay th phn khc c th gy li.Phng php ny n gin v thc t. Hn na, n c th c s dng so snh trng thi, tham s, lgo v tham s cu hnh ca cng mt phn t c ng nht khng. Ch :Vic thay th ch dng khi cn tit kim thi gian trnh gin on dch v.2.4. Cc phng khi bo dng ni chung2.4.1.Tng quanTrc v trong qu trnh bo dng, lun thc hin cc phng cn thit m bo an ton cho c nhn thc hin bo dng v thc hin bo dng mt cch d dng.2.4.2. Cnh bo an ton:Ngun in p cp u vo vt qu gii hn an ton tip xc ca ngi. m bo nh gi ng v mc an ton trnh bt c trng hp nguy him do b in git hay chy hng thit b.2.4.3. phng khi thc hin:m bo cc phng sau y trong sut qu trnh bo dng Th tc eo ESD: bt buc thc hin khi lm vic vi cc khi chc nng ca ZXSDR BS8800. Kt ni cp RF v cc u ni: Khng gc un cong qu ln Thc hin cc th tc yu cu khi kt ni cc u ni, phi s dng c l lc Khng c lp cp RF hoc tho cp khi n ang hot ng Cc phng khc: Ghi li tt c qu trnh bo dng v cc bc lm bao gm nng cp phin bn, backup d liu v pht hin x l s c. m bo y cc vt dng v ng h o, tuavit (Phillips, 2 cnh, 4 cnh), o tn hiu, km bm dy mng, ng h vn nng, cp mng. Kim tra v cn chnh ng h m bo chnh xc. Kim tra cc thit b d phng v thnh phn thit b thng xuyn s dng m bo sn sng v cn nguyn vn. nh du v ct gi cc phn t hng sau khi bo dng ni ring bit. Trnh lu gi cc thit b hng cng ch vi thit b mi. Ngi thc hin bo dng phi phn tch nguyn nhn ca mi li c th v tm ra ngun gc tim n gy ra li trc khi x l su hn. Kim tra hin trng ca ti liu h thng, bao gm ti liu v k thut, lp t, vn hnh, bo dng tham kho trong khi thc hin bo dng.2.5. Thu thp cc thng tin bo dngBng thu thp thng tin v phin bn thit b

ModulePhin bn

Khi RSUKhi RTR

Khi PIBC

Khi CC

Khi UBPG

Khi BPC

Khi FS

Khi SA

Khi SE (tu chn)

Khi FA

Khi PM

Khi FCE0

Ghi ch:

CHNG 3: BO DNG NH K

3.1. Cc phn mc ca bo dng nh kBo dng nh k BS8800 bao gm cc cng vic ch yu sau: Kim tra mi trng lm vic ca thit b Thng k nng lc ca thit b Bo dng h thng cnh bo Backup d liu Kim tra cc thng tin backup Bo dng cc bng mch Kim tra thng tin v bn ghi (log) Kim tra h thng tip t v chng st Kim tra trng thi ngun chy Kim tra vic kt ni ca cc thnh phn t trm Chun b cho kim tra t xut.3.2. Chu k bo dngTy theo cc cng vic cn thc hin m bo dng nh k s theo cc chu k c th, l: Bo dng hng ngy Bo dng hng thng Bo dng hng qu Bo dng na nm Bo dng hng nm3.3. Quy trnh bo dng hng thngBo dng hng thng bao gm vic kim tra phng thit b, kim tra t cabinet, kim tra kt ni cp v cc vt t d phng. Chi tit qu trnh cho nh di y: Kim tra mi trng phng thit b Kim tra nhit : c gi tr nhit phng t nhit k. Nhit phng thng thng trong khong t 150-300C. Nu nhit phng khng nm trong khong ny mt thi gian di, cn kim tra h thng iu ha. Kim tra m: Quan st m k trong phng. Thng thng m tng i ca phng nm trong khong 40-65%. Nu m tng i ca phng qu cao cn s dng my lm gim m, ngc li dng my tng m. Kim tra t cabinet Kim tra ngun cung cp cho h thng: Kim tra khi cp ngun vo v ngun ra subrack phn phi ngun c tnh trng hot ng tt v tip xc tt. m bo tip xc khng b n mn, khng b tnh trng qu dng hay qu nhit. Kim tra khi cp ngun vo bn trong t. m bo iu kin hot ng v tip xc tt, khng b n mn hay qu dng, qu nhit. S dng ng h vn nng o in p vo v ra ca subrack phn phi ngun. in p chun l -48V. Khong gi tr cho php l t -57V -40V Kim tra h thng tip t: Kim tra cc u kt ni v cc vt ni ca tt c cp ni t trong t cabinet. m bo chng trong iu kin hot ng, tip xc tt, khng b lng hay n mn. S dng my o in tr t o gi tr in tr t ca phng, m bo gi tr in tr vi h thng ni t < 0.5 Kim tra h thng bo v: Kim tra m bo khng c vt th l trn hay trong t cabinet. Kim tra tt c cc li chng cn trng, ng vt gm nhm bao bn ngoi cp trn nc hay di y t. m bo chng hon ton bo v xm nhp t bn ngoi, khng b h hng. Kim tra iu kin chng bi: Lm sch v t cabinet vi gi cotton kh v sch. S dng my ht bi lm sch y t. m bo sch bi v khng kh sch c th thng d dng vo t. Tho li chng bi t cabinet v dng nc ra sch. Gn li n vo t sau khi kh. Kim tra kt ni cp in: Kim tra kt ni trung k: Kim tra u ni dy trung k c tip xc tt, chc chn. Dy trung k khng b h hng v c nh du nhn ng, r rng. Kim tra cp quang v SFP: Kim tra u kt ni cp quang t BBU ti RSU, cp SFP c tip xc chc chn. Cp quang v cp SFP khng b h hng v c nh du nhn ng, r rng. Kim tra cp d liu v cp gim st: Kim tra cc u ni cp ny c gn chc chn, cp khng b h hng v nhn ghi r rng. Kim tra vt t d phng: Kim tra ni lu tr vt t d phng: nh k kim tra ni lu tr vt t d phng m bo kh nng chng la, chng bi, chng m, chng nhim t, chng va p v iu kin thong mt. Kim tra s lng vt t d phng: m bo vt t d phng v cc thnh phn thit b cho bo dng. t nht mt bng mch d phng cho mi loi. i vi bng mch CC v FS cn c sn t nht 2 bng mch d phng cho mi loi. Tt c cc vt t d hng ny c bo qun tt, khng h hng, gy v hay n mn. Cc vt t hng cn gi li sa cha kp thi.

CHNG 4: THAY TH PHN T HNG4.1. Thay th bng mchCh dn thay th cc bng mchDi y l bng danh sch thay th cc bng mch/module trn h thng v nh hng ca n.Bng mch/moduleChc nngnh hng trn h thng

RSUKhi RF, x l pht thu tn hiu v tuynThay th RSU s gy ngng cc dch v cung cp bi RSU

PMKhi cng sut ca BBUThay th PM gy mt ngun BBU v ngng tt c cc dch v

CCBng mch iu khin v ng b ca BBU, thc hin iu khin v qun l bng c bn, chuyn mch Ethernet v cung cp ng b h thngThay th bng CC ch ch khng gy nh hng n h thng.Nu khng c bng mch CC d phng, vic thay th khi ang hot ng s ngng tt c cc dch v

FSBng chuyn mch si BBU, cung cp giao din si bng c bn gia khi bng c bn v khi RF, thc hin chuyn mch v x l d liu IQ bng c bn.Thay th FS s ngng cc dch v cung cp bi FS

UBPG/BPCBng mch x l bng c bn BBU, x l giao thc lp vt l v khung giao thc nh ngha bi 3GPPThay th UBPG/BPC gy ngng cc dch v cung cp bi khi bng c bn

SABng mch cnh bo BBU ti trmThay th SA s lm cho vic gim st cnh bo thit b ngng hot ng v tt c cc dch v cng b ngt theo.Nu s dng truyn dn Abis lung E1, s lm ngng tt c cc dch v

FAKhi qut BBUThay th khi FA s lm cho qut ca BBU ngng hot ng v gim st trng thi qut v nhit h thng s b tm ngng theo.

Khi thay th mt bng mch hay module, cn ch cc iu sau: Ghi li s phin bn ca bng mch/module trnh trng hp bng mch/module mi khng tng thch vi h thng. Bt buc tun theo cc ch dn thc hin trnh thc hin sai. o th v nh gi cc chc nng tng ng ca bng mch/module mi m bo chc chn vic thay th thnh cng. Khi lp mt bng mch/module, cn chnh n vi khe v lp chc chn. Nu bng mch/module khng lp cht, n c th gy ra chp in i vi thit b ang chy v gy hng bng mch, module. C nhn thc hin phi eo vng tay hoc gng tay chng tnh in (ESD) khi thay th bng mch/module. u ni t ca gng tay phi ni t chc chn. Thi gian thay th trung bnh khi bo dng h thng l < 30 pht.4.1.1. Thay th RSUChun b: Bng vic quan st v phn tch li, xc nh module li v quyt nh c cn thay module ny hay khng Chun b ti chng tnh in, ti chng m, thng giy v nhn ghi. m bo vt t d phng bnh thng v cng loi vi module li Ghi chp cc v tr cp RF pha trc mt ca module cn thay th. Sau khi qu trnh thay th hon tt, nhng cp ny s c in li ng v tr ban u. eo vng tay chng tnh in.Bi cnh:Chi tit v nh hng ca vic thay th bng mch ny i vi h thng, xem ch dn trn v vic thay th cc bng mch.Quy trnh thc hin: Bc 1: Tt ngun cp ca khi RSU li. Cng tc ngun RSU nm pha mt trc ca gi phn phi ngun. Bc 2: Tho cp RF trn mt trc ca RSU Bc 3: Ni lng vt gi trn mt RSU v ko module li hng ra ngoi. Khi khi nh ra ngoi khe, gia pha di v ko ra nh nhng.

Hnh 1. Tho modul RSU Bc 4: Lp module mi vo khe tng ng trong gi t, y bng mch vo v vn cht cc vt. Bc 5: Bt ngun RSU. Bc 6: t module li thay th vo ti chng tnh in bn trong ti chng m. Dn nhn ln ti, nh du loi module, khe cm, phin bn phn mm v li tng ng. Lu tr module li trong thng carton ty theo tng loi, dn nhn ln thng nhn din v sau.Yu cu sau khi thc hin: Khi module c bt ngun, cn mt khong thi gian t kim tra. Nu qu trnh t kim tra ny thnh cng, cc ch th l bnh thng v dch v c khi phc th vic thay th l hon tt. Ngc li, nu qu trnh t kim tra b li, b lp i lp li hay kt qu hin th khng bnh thng, dch v khng c khi phc chng t qu trnh thay th b li. Cn kim tra xem liu vt t va thay c b hng hay khi va thay khng b li. Ngi thc hin c th quan st cnh bo trc v sau khi thay th tm ra nguyn nhn li thc s.4.1.2. Thay th CC/FS/UBPG/BPCChun b: Bng vic quan st v phn tch li, xc nh module li v quyt nh c cn thay module ny hay khng Chun b ti chng tnh in, ti chng m, thng giy v nhn ghi. m bo vt t d phng bnh thng v cng loi vi module li. eo vng tay chng tnh in. Nu thay th bng mch ang hot ng, cn chuyn i hot ng/d phng trc m bo bng mch d phng chuyn sang trng thi kch hot.Bi cnh:Phng php thay th FS tng t nh vic thay th cc khi, bng mch CC/UBPG/BPC. Di y l v d cho th tc thay th cho bng FS. Chi tit nh hng ca vic thay th cc bng mch ny xem thm phn ch dn thay th bng mch.Quy trnh thc hin: Bc 1: Ko cn gt nh bn tri module b li mt on nht nh. Bc 2: Gi 2 cn gt ng thi. Bc 3: Ko bng mch ra ngoi dc theo rnh dn.

Hnh 2. Tho modul FS Bc 4: Cn chnh bng mch mi vo ng rnh dn bn tri v bn phi, y vo cho ti ng v tr. Bc 5: Gi cn gt bn tri v n n vo. m bo cn gt ny kt ni chc chn vi kha ca gi t subrack. Bc 6: t module li thay th vo ti chng tnh in bn trong ti chng m. Dn nhn ln ti, nh du loi module, khe cm, phin bn phn mm v li tng ng. Lu tr module li trong thng carton ty theo tng loi, dn nhn ln thng nhn din v sau.Yu cu sau khi thc hin: Khi module c bt ngun, cn mt khong thi gian t kim tra. Nu qu trnh t kim tra ny thnh cng, cc ch th l bnh thng v dch v c khi phc th vic thay th l hon tt. Ngc li, nu qu trnh t kim tra b li, b lp i lp li hay kt qu hin th khng bnh thng, dch v khng c khi phc chng t qu trnh thay th b li. Cn kim tra xem liu vt t va thay c b hng hay khi va thay khng b li. Ngi thc hin c th quan st cnh bo trc v sau khi thay th tm ra nguyn nhn li thc s.4.1.3. Thay th SAChun b: Bng vic quan st v phn tch li, xc nh module li v quyt nh c cn thay module ny hay khng Chun b ti chng tnh in, ti chng m, thng giy v nhn ghi. m bo vt t d phng bnh thng v cng loi vi module li. eo vng tay chng tnh in.Bi cnh:Chi tit v nh hng ca vic thay th bng mch ny i vi h thng, xem ch dn trn v vic thay th cc bng mch.Quy trnh thc hin: Bc 1: Ko cn gt nh bn tri module b li mt on nht nh. Bc 2: Gi 2 cn gt ng thi v ko bng mch ra ngoi dc theo rnh dn. Bc 3: Cn chnh bng mch mi vo ng rnh dn bn tri v bn phi, y vo cho ti ng v tr. Bc 4: Gi cn gt bn tri v n n vo. m bo cn gt ny kt ni chc chn vi kha ca gi t subrack. Bc 5: t module li thay th vo ti chng tnh in bn trong ti chng m. Dn nhn ln ti, nh du loi module, khe cm, phin bn phn mm v li tng ng. Lu tr module li trong thng carton ty theo tng loi, dn nhn ln thng nhn din v sau.4.1.4. Thay th PMChun b: Bng vic quan st v phn tch li, xc nh module li v quyt nh c cn thay module ny hay khng Chun b ti chng tnh in, ti chng m, thng giy v nhn ghi. m bo vt t d phng bnh thng v cng loi vi module li. eo vng tay chng tnh in.Bi cnh:Chi tit v nh hng ca vic thay th bng mch ny i vi h thng, xem ch dn trn v vic thay th cc bng mch.Quy trnh thc hin: Bc 1: Ko cn gt nh bn tri module b li mt on nht nh. Bc 2: Gi 2 cn gt ng thi v ko bng mch ra ngoi dc theo rnh dn.

Hnh 3. Tho modul PM Bc 3: Cn chnh bng mch mi vo ng rnh dn bn tri v bn phi, y vo cho ti ng v tr. Bc 4: Gi cn gt bn tri v n n vo. m bo cn gt ny kt ni chc chn vi kha ca gi t subrack. Bc 5: t module li thay th vo ti chng tnh in bn trong ti chng m. Dn nhn ln ti, nh du loi module, khe cm, phin bn phn mm v li tng ng. Lu tr module li trong thng carton ty theo tng loi, dn nhn ln thng nhn din v sau.4.1.5. Thay th FAChun b: Bng vic quan st v phn tch li, xc nh module li v quyt nh c cn thay module ny hay khng Chun b ti chng tnh in, ti chng m, thng giy v nhn ghi. m bo vt t d phng bnh thng v cng loi vi module li. eo vng tay chng tnh in.Bi cnh:Chi tit v nh hng ca vic thay th bng mch ny i vi h thng, xem ch dn trn v vic thay th cc bng mch.Quy trnh thc hin: Bc 1: Gt cht trn mt ca module li sang bn phi (cht v tr 3) Bc 2: Gi tay cm ca module FA v ko khi FA ny ra ngoi. B phn chng bi ca BBU c th ko ra ngoi khi ko tay cm module FA. Nu ch cn thay th b phn chng bi ca BBU ny, ch cn cm tay cm ca b phn chng bi v ko ra ngoi.

Hnh 4. Tho modul FA Bc 3: Cn chnh khi FA mi theo rnh pha trn v pha di ca subrack v y n vo trong. m bo b phn chng bi c kha cht vo subrack. y khi FA mi vo subrack cho n khi nghe c ting click ca cht, n cho bit l khi FA v b phn chng bi c lp chc chn. Bc 4: t module li thay th vo ti chng tnh in bn trong ti chng m. Dn nhn ln ti, nh du loi module, khe cm, phin bn phn mm v li tng ng. Lu tr module li trong thng carton ty theo tng loi, dn nhn ln thng nhn din v sau.4.2. Thay th SubrackCh dn thay th subrackBng di y lit k vic thay th cc subrack v nh hng i vi h thng.SubrackChc nngnh hng i vi h thng

Hp phn phi ngunThc hin phn phi ngun cho ton b thit b v iu khin cc cng tc ngunThay th gi phn phi ngun lm tt ngun ca t cabinet v do lm ngt cc dch v

Hp qutThc hin vic thot nhit cho tThay th hp qut lm qut ngng hot ng nhng khng gy nh hng ti dch v

Subrack BBUThc hin chc nng giao din Abis/Iub, x l tn hiu, x l bng c bn, vn hnh v bo dng ti trm v t xa, gim st trng thi hot ng, a ra thng tin cnh bo.Thay th BBU s gy ngng tt c cc dch v

Khi thay th mt subrack, cn ch cc iu sau: Bt buc tun theo cc ch dn thc hin trnh thc hin sai. o th v nh gi cc chc nng tng ng ca subrack mi m bo chc chn vic thay th thnh cng. C nhn thc hin phi eo vng tay hoc gng tay chng tnh in (ESD) khi thay th bng mch/module. u ni t ca gng tay phi ni t chc chn. Thi gian thay th trung bnh khi bo dng h thng l < 30 pht.4.2.1. Thay th BBUChun b: Bng vic quan st v phn tch li, xc nh module li v quyt nh c cn thay module ny hay khng Chun b ti chng tnh in, ti chng m, thng giy v nhn ghi. m bo vt t d phng bnh thng v cng loi vi module li. eo vng tay chng tnh in.Bi cnh:Thay th subrack BBU c th gy ngng tt c cc dch v, do cn b k thut cn c cho php trc khi thc hin.Quy trnh thc hin: Bc 1: Tt ngun cp subrack BBU. Cng tc ngun trn mt trc ca t phn phi ngun. Bc 2: Tho cc cp trn tt c bng mch trong subrack BBU. Bc 3: Ni lng vt bt trn mt subrack, gi pha di y subrack v ko ra nh nhng. Bc 4: Lp subrack mi vo gi v vn cht vt c nh. Bc 5: Tho cp trn mi bng mch. Bc 6: Bt ngun BBU. Bc 7: t module li thay th vo ti chng tnh in bn trong ti chng m. Dn nhn ln ti, nh du loi module, khe cm, phin bn phn mm v li tng ng. Lu tr module li trong thng carton ty theo tng loi, dn nhn ln thng nhn din v sau.4.2.2. Thay th hp phn phi ngunChun b: Bng vic quan st v phn tch li, xc nh module li v quyt nh c cn thay module ny hay khng Chun b ti chng tnh in, ti chng m, thng giy v nhn ghi. m bo vt t d phng bnh thng v cng loi vi module li. Ghi nh v tr cp pha mt trc ca module cn thay th. Sau khi qu trnh thay th hon thnh, cm li cp ny vo ng v tr ban u. eo vng tay chng tnh in.Bi cnh:Thay th hp phn phi ngun cn tt ngun t cabinet nn ton b cc dch v s b ngng, do cn b k thut cn c cho php trc khi thc hin.Quy trnh thc hin: Bc 1: Tt ngun t cabinet. Bc 2: Vn lng vt nh v trn mt ca subrack, gi y subrack v ko n ra nh nhng.

Hnh 5. Tho subrack BBU Bc 3: Lp subrack mi vo gi, vn cht vt nh v. Bc 4: Bt ngun t cabinet. Bc 5: t module li thay th vo ti chng tnh in bn trong ti chng m. Dn nhn ln ti, nh du loi module, khe cm, phin bn phn mm v li tng ng. Lu tr module li trong thng carton ty theo tng loi, dn nhn ln thng nhn din v sau.4.2.3. Thay th hp qutChun b: Bng vic quan st v phn tch li, xc nh module li v quyt nh c cn thay module ny hay khng Chun b ti chng tnh in, ti chng m, thng giy v nhn ghi. m bo vt t d phng bnh thng v cng loi vi module li. Ghi nh v tr cp pha mt trc ca module cn thay th. Sau khi qu trnh thay th hon thnh, cm li cp ny vo ng v tr ban u. eo vng tay chng tnh in.Bi cnh:Chi tit v nh hng ca vic thay th subrack ny i vi h thng, xem ch dn trn v vic thay th cc subrack.Quy trnh thc hin: Bc 1: Tt ngun cp hp qut. Cng tc ngun nm trn mt ca subrack phn phi ngun. Bc 2: Tho cp pha mt trc hp qut. Bc 3: Vn lng vt mt hp qut, s dng 1 tay ko tay cm v tay kia cm subrack, ko ra nh nhng.

Hnh 6. Tho hp qut Bc 4: S dng tua vt 4 cnh tho lng vt nh v ca qut Bc 5: Tho gic cm ca cp kt ni qut, rt u ni cp v ko qut ra. Bc 6: t hp qut li thay th vo ti chng tnh in bn trong ti chng m. Dn nhn ln ti, nh du loi module, khe cm, phin bn phn mm v li tng ng. Lu tr module li trong thng carton ty theo tng loi, dn nhn ln thng nhn din v sau. Bc 7: Vn cht vt nh v qut mi trn hp qut. Lp gic cm qut vo v tr tng ng trn subrack, c nh bng vt. Bc 8: Sau khi lp qut, lp cp li v tr ban u. Ch cp qut c sp xp gn gng, nu khng n s b chm vo qut khi chy, c th lm hng thit b. Bc 9: Lp hp qut vo t cabinet. Bc 10: Bt ngun hp qut.Yu cu sau khi thc hin: Quan st xem qut hot ng bnh thng cha. Nu bnh thng, vn cht vt trn mt ca hp qut, qu trnh thay th hon tt. 4.3. Thay th cp kt ni4.3.1. Thay th cp ngun DCChun b: eo vng tay chng tnh in. m bo cp ngun mi cng loi vi cp ang s dng, cng chiu di.Bi cnh:Cp ngun m rng c dng kt ni t ZXSDR BS8800 vi t ngun bn ngoi. C 2 dy ngun m rng: dy ngun vo -48V mu xanh; dy t ngun mu en.Quy trnh thc hin: Bc 1: Ghi nh v tr kt ni ca dy ngun pha t ngun bn ngoi. Bc 2: m bo u ra nhnh cp ngun c ngt. Bc 3: Tho kt ni gia dy ngun ti t ngun bn ngoi. Bc 4: Tho kt ni gia dy ngun v t ZXSDR BS8800. Gic cm dy ngun t cabinet ZXSDR BS8800 nm hc phn phi ngun. Bc 5: Ct u bc cp v ko dy ngun c ra. Bc 6: K ni dy ngun mi vi t ngun bn ngoi ng v tr kt ni ghi nh. tha mt on nht nh pha u cn li ca dy ngun. Bc 7: t dy ngun mi vo t cabinet theo ng kt ni ca dy c. Dy ngun v dy bo v tip t phi c kp v v tr ring bit so vi cc dy khc. Khi i dy bn ngoi gi cp, phi c buc nh v ti mi v tr cch nhau 20cm. Bc 8: Dn dy ngun vo -48V xanh v dy t mu en vo t ti l vo pha trn nc cabinet, a ti gi phn phi ngun thng dc theo ng dn bn phi t cabinet. Bc 9: Ni dy ngun vo -48V v dy t vo u kt ni gi phn phi ngun. Nh cm dy ng theo nhn, khng cm ngc u. Bc 10: Sau khi hon tt vic thay dy, b dy c thay i.Yu cu sau khi thc hin: Kt ni u ra nhnh cp ngun, bt ngun t ZXSDR.4.3.2. Thay th dy bo v tip t (PE)Chun b: m bo cp PE mi cng chiu di vi cp ang s dng.Bi cnh:Nh trm phi p ng cc yu cu v xy dng nh sau: C h thng tip t chung C h thng tip t cho ct anten v nh trm Bng ng tip t trong v ngoi.Ngi thc hin bo dng ch ph trch lp dy tip t cho t cabinet.Quy trnh thc hin: Bc 1: Ghi nh v tr kt ni dy PE pha bng tip t trong phng thit b. Bc 2: Tho kt ni gia dy PE v tip t phng thit b. Bc 3: Tho kt ni gia dy PE v v tr ni t trn nc t BS8800. Bc 4: Ct u ni dy v rt dy PE c ra. Bc 5: Kt ni dy PE vi pha u tip t phng trm ng v tr ghi nh. tha mt on dy pha u dy PE cn li. Bc 6: t dy PE mi vo t cabinet theo ng dn ca dy PE c. Bc 7: Lp dy PE trn v tr ni dy PE trn nc t. Bc 8: Sau khi thay th xong, b dy PE c i.4.3.3. Thay th dy E1/T1Chun b: eo vng chng tnh in m bo cp E1/T1 mi cng loi vi cp ang s dng.Bi cnh:Thng thng, li dy trung k nh hng ln n h thng ang hot ng, do khi dy b li cn thay th ngay lp tc.Quy trnh thc hin: Bc 1: Xc nh loi dy trung k mi. Dy trung k c th l cp ng trc E1 hoc cp song hnh E1/T1. Trc khi thay th dy, m bo dy mi cng loi vi dy c. Bc 2: Tho dy b li. S dng tuavit 2 cnh tho vt bt gia u ni dy cp v b mt, tho u ni dy ra. Bc 3: t v c nh dy trung k mi. Ct u dy, rt dy c ra, t dy mi vo. Trong khi thc hin ni dy, tun theo c tnh dy. Bc 4: Lp dy trung k mi. Bc 5: Kim tra kt qu khi thay th dy. Cc bng mch lin quan n dy cp thay th hot ng bnh thng da theo cnh bo lin quan thng bo phn qun l li Fault Management. Bc 6: Dn nhn cp trung k. m bo nhn ca dy trung k mi ging dy c thay. Bc 7: Sau khi vic thay th hon tt, b dy c thay i.4.3.4. Thay th si quang bn trongChun b:m bo si quang mi cng loi vi si quang c.Bi cnh:Si cp bn trong c s dng trao i tn hiu gia BBU v RU. Si quang ny thuc loi n mt. Cc iu di y cn ch khi thay th cp si quang. Khng lm hng lp bo v si quang. Gi u gic ni si quang sch, khng b bi. Khi tho si quang c hay lp si quang mi, khng dng lc mnh. Un si quang mi theo vng ti cc im un.Quy trnh thc hin: Bc 1: Dn nhn tm thi ln si quang mi. Dn c 2 u tng ng ng v tr. Nu c nhiu hn mt si cn thay, nh du nhn phn bit chng. Bc 2: Lp si quang mi. V tr ng dn v i dy ca si mi ging vi si c. Bc 3: Rt u ni si quang c RU v lp u ni si mi vo. Lu : khi rt mt u k ni ca si c, bt li n vi np bc trnh b bi. Bc 4: Rt u ni si quang c bng mch FS v lp si quang mi vo. Xem s seri ghi si quang c m tho u ni pha kia tng ng. Theo nhn tm thi ca si mi, tm v lp si vi nhn tng ng. Bc 5: Kim tra kt qu sau khi thay. Kim tra cc bng mch lin quan n vic thay th si quang c hot ng bnh thng, cc cnh bo tng ng th hin phn mc qun l li Fault Management. Bc 6: Buc c nh si quang mi. Bc 7: Dn nhn si quang Bc 8: Sau khi hon tt vic thay th, b si quang c i.4.3.5. Thay th cp EthernetChun b: eo vng tay chng tnh in m bo cp Ethernet mi cng loi vi cp cBi cnh:ZXSDR c 3 loi cp Ethernet ty theo tng chc nng ca cp. Khi BTS v BSC/RNC s dng sng mang IP, chc nng ca cp Ethernet khi l phng tin truyn dn giao din Abis/Iub. Khi cc BBU c kt ni dng phn lp, chc nng ca cp Ethernet l phng tin truyn tn hiu phn lp gia cc BBU Khi ngi dng ng nhp vo my ch thng qua phn mm LMT, chc nng ca cp Ethernet l cp vn hnh v bo dng.Quy trnh thc hin: Bc 1: Tho cp li Bc 2: t v buc cp mi. Tho dy buc cp v rt cp Ethernet c ra, t cp mi vo v buc c nh cp. Bc 3: Lp u ni cp vo cng kt ni. Bc 4: Kim tra kt qu ca vic thay th. Xem bng mch lin quan n cp c thay c hot ng bnh thng thng qua cnh bo lu phn mc qun l li Fault Management. Bc 5: Dn nhn cp Ethernet mi lp theo nh gi tr ghi trn cp c. Bc 6: Sau khi qu trnh thay th hon tt, b cp c thay i.4.3.6. Thay th cp thu phn tpChun b: eo vng tay chng tnh in m bo cp thu phn tp mi cng loi vi cp cBi cnh: Nu cell c cu hnh nhiu RU th cp thu phn tp s c lp kt ni gia 2 RU. Khi 2 RU60 hay RU02 c kt ni vi nhau th cn 2 cp thu phn tp. Khi 1 RU02A v 1 RU02B c kt ni vi nhau th cn 3 cp thu phn tp.Quy trnh thc hin: Bc 1: Tho cp thu phn tp gia 2 RU. Hai u cp thu phn tp c kt ni ti cng vo RXin v cng ra Rxout ca 2 RU tng ng. Bc 2: Lp u SMA ca cp thu phn tp mi vo cng vo RXin ca RU th nht v cng ra RXout ca RU th hai tng ng.4.3.7. Thay th cp trn mt bng SAChun b: eo vng tay chng tnh in Cc cp trn bng SA c lp m bo cp bng SA mi cng loi vi cp cBi cnh:Cp SA dn tn hiu E1/T1, l loi tip im kh tn hiu vo/ra v tn hiu cng serial cho thit b m rng ti t cabinet. i vi cp SA, pha u kt ni vi t BS8800 l u ni kiu DB25 (u A) trong khi u cn li l u ni 4 trong 1 (u DB44, DB9, DB25, u OT) (u B).Quy trnh thc hin: Bc 1: Dn nhn ln cp mi. Tng ng theo u cp v th t, dn nhn trn cp mi, m bo nhn mi ging nhn trn cp c. Bc 2: Kt ni u B ca cp mi: Tho mt u ni ca u B cp c v ni u ni B ca cp mi vi cng th t v mu sc. Lp li vic ny tho u ni khc ca cp c v ni vi u ni tng ng ca cp c cho n khi ton b cc u ni cp mi c kt ni. m bo im OT ca cp ni t u B ca SA gn vi im ni t. Bc 3: Tho cp c Ct dy buc cp Ko u u A ca cc c Tho dy cp c Bc 4: Thay th cp SA t cp mi theo ng hng v th t. Trong qu trnh buc c nh dy cp tun theo ch dn buc cp. Ni u u A ca cp mi vo khe tng ng trn bng mt SA v c nh cht. Bc 5: Kim tra kt qu ca vic thay th cp. Kim tra cc bng mch lin quan ti vic thay th cp c hot ng bnh thng, cc cnh bo tng ng c thng bo phn mc Qun l li Fault Management. Bc 6: Sau khi qu trnh thay th hon tt, b cp c thay th i.4.3.8. Thay th cp tip im khChun b: eo vng tay chng tnh in Bng mch SA v cp SA c cu hnh m bo cp vo/ra tip im kh mi cng loi vi cp c.Bi cnh:Cp vo tip im kh dn vo tn hiu tip im kh vi cc thit b bn ngoi. u u vi BS8800 l loi u ni SCSI50 (u A), u cn li c ghi s hiu l u B.u A ni vi u ni DB25 ca cp SA panel (1 ra 4).Quy trnh thc hin: Bc 1: Dn nhn cp mi. Theo u cui v th t cp dn nhn ln cp mi, m bo nhn trn cp mi nh trn cp c. Bc 2: Kt ni u B ca cp mi Tho mt u ni ca u B cp c v kt ni vi u ni ca cp mi theo th t v mu sc Lp li bc trn cho n khi ton b cc u n i ca cp mi c kt ni. Bc 3: Tho hon ton cp c Ct dy buc cp Ko u A ca cp c ra Tho hon ton cp c ra Bc 4: t cp vo/ra tip im kh mi tng ng vi hng v th t ca cp c. Trong qu trnh buc cp tun theo c tnh buc cp Ethernet. Bc 5: Kim tra kt qu qu trnh thay th. Kim tra bng mch lin quan n cp thay th c hot ng bnh thng v cc cnh bo lin quan c thng bo mc Qun l li Fault Management. Bc 6: Sau khi qu trnh thay th hon tt, b cp c thay th i.4.3.9. Thay th cp gim st RS232 v RS485Chun b: eo vng tay chng tnh in m bo cp gim st RS232 v RS485 mi cng loi vi cp cBi cnh:Cp gim st RS232 v RS485 c s dng kt ni vi cc thit b gim st bn ngoi. u kt ni vi ZXSDR BS8800 l u ni loi DB9 (u A), u cn li gm 2 dy cp trn (u B).u A c ni vi u ni DB9 ca cp SA (1 ra 3)Quy trnh thc hin: Bc 1: Dn nhn ln cp mi. Ty theo kt cui v th t cp, dn nhn tng ng ln cp mi ng v tr nh trn cp c. Bc 2: Kt ni u B ca cp mi. Tho u ni B ca cp c v ni vi u ni B ca cp mi.4.3.10. Thay th dy nhy GPSChun b: eo vng tay chng tnh in m bo dy nhy GPS mi tng t nh nhy c.Bi cnh:Dy nhy GPS dn tn hiu t v tinh ti t cabinet. N kt ni vi b bo v chng st GPS trn nc t vi bng mch CC ca ZXSDR BS8800.Quy trnh thc hin: Bc 1: Dn nhn ln dy nhy mi. Ty theo kt cui v th t cp, dn nhn ln cp mi, m bo nhn ghi trn cp mi ging ghi trn cp c. Bc 2: Tho u ni dy nhy GPS c trn nc t v lp u kt ni dy nhy GPS mi. Bc 3: Tho dy nhy GPS c Tho nt buc cp Tho u ni dy nhy GPS c trn bng mch CC Tho dy nhy GPS c Bc 4: Lp dy nhy GPS mi t dy nhy mi dc theo chiu thng ng ca mng cp pha bn tri t ti bng mch CC tng bng c bn. Lp u ni dy nhy GPS mi Bc 5: Kim tra kt qu ca qu trnh thay th dy nhy. Kim tra cc bng mch lin quan n vic thay th dy nhy GPS c hot ng bnh thng da trn quan st cc cnh bo lin quan phn mc Qun l li Fault Management. Bc 6: Sau khi qu trnh thay th dy nhy GPS hon tt, b dy nhy c i.4.3.11. Thay th dy nhy RFChun b : eo vng tay chng tnh in m bo dy nhy RF c v mi cng loi, cng cht liu v chiu di. m bo dy nhy mi c tip t tt, cc chn ca li cp bnh thng, u ni SMA v u ni loi N ng v tr. Khng s dng qu nhiu lc vn cht u ni. Ghi nh v tr kt ni ca cc dy nhy RF cn thay th. Tt c cc dy nhy RF mi phi c kt ni ti ng v tr ban u. Chun b ti chng m, thng giy v cc nhn ghi.Bi cnh:Dy nhy RF li s gy nh hng ln n cht lng tn hiu, do cc dy nhy li phi c thay th cng sm cng tt. Mi loi trm s c b dy RF tng ng. Nu trm c m rng hoc loi trm c thay th, cn chn b dy tng ng vi tng loi trm. Nu ch cn thay th mt dy RF, chn dy thch hp t b dy tng ng vi v tr v chiu di dy.Quy trnh thc hin: Bc 1: Trc khi thay th cp nhnh truyn dn, tt ngun ca RU tng ng. Cng tc ngun ca RU nm mt trc ca gi phn phi ngun. Bc 2: Tho cp li. Tho bng dnh chng nc bn ngoi u ni ca dy nhy. S dng c l tho c u ni v b mt dy nhy RF. Tho u ni dy cn thn. Bc 3: t v buc dy nhy RF mi. Ct nt buc dy, tho dy nhy c, t dy nhy mi. Trong qu trnh buc dy, tun theo quy nh buc dy. Bc 4: Lp dy nhy mi. Kt ni gia 2 u ni cn thn, s dng c l vn cht u ni. Ch khng s dng lc mnh vn cht u ni SMA, lc u ni SMA cn chnh vo ren. Bc 5: Kim tra kt qu ca qu trnh thay th dy nhy RF. S dng thit b o kim tra suy hao cp, m bo mc suy hao cp bnh thng. Bc 6: S dng bng dnh chng nc cho u ni theo yu cu lp t. Bc 7: Dn nhn dy nhy RF mi, m bo nhn dy mi ging nhn dng cho dy nhy RF c. Bc 8: Bt ngun RU. Bc 9: Sau khi qu trnh thay th dy nhy RF hon tt, b dy nhy c i.Yu cu sau khi thc hin: Quan st ch th trng thi hot ng trn mi bng mch. Nu ch th bnh thng th qu trnh thay th thnh cng. Thc hin cc bi o v trao i thoi kim tra trm hot ng bnh thng sau khi thay th.

PH LC A: CH TH N BO HOT NG CC KHI

A.1. Ch th trng thi khi RSU (RSU40/RSU60)

Ch th trng thiMu nghaM t

RUNXanhHot ngLun sng (ON): RSU ang khi ng li hoc bt u khi ng.Nhy vi tn s 1 ln/s: RSU trng thi hot ng bnh thng.Nhy vi tn s 5 ln/s: ang ti phin bn.Trng thi tt: Qu trnh t kim tra b li.

ALMCh th cnh boTt (OFF): RSU ang hot ng, khi ng li, bt u hot ng hoc ti phin bn.Nhy vi tn s 5 ln/s: C bo ng khn cp (critical) hoc nghim trng (major).Nhy vi tn s 1 ln/s: bo ng mc thp hoc cnh bo thng thng.

LINKXanhCh th ng tn hiu quangLun sng (ON): Kt ni cp bnh thng.Tt (OFF): Cp khng kt ni. Nhy vi tn s 5 ln/s: ng kt ni hot ng vi chc nng nh ngun ng h tham chiu v vng lp kha pha ch bt gi nhanh (fast capture mode).Nhy vi tn s 0,25 ln/s: ng kt ni hot ng vi chc nng ngun ng h tham chiu, vng kha pha ch bm (tracing mode).

RFCamCh th trng thi hot ng ca RFTt (OFF): Khng c tn hiu ra RFSng (ON): C u tn hiu ra RF

Ch th trng thiMu nghaM t

RUNXanhHot ngn bo RUN v ALM nhy ln lt th bng MMC ang trng thi thit lpNu n nhy 0,3s sng 0,3 th bng mch trng thi bnh thngNu n tt: b li

ALMCh th cnh boNhy nhanh vi tn s 0,15s bt v 0,15s tt: xy ra cnh bo khn cp hoc nghim trng.Nhy chm 1s bt, 1s tt: cnh bo mc thp hoc cnh bo thng.Tt: khng c cnh bo.

E0SXanhCh th trng thi E1/T1 (Link 0-3)Nhy ln lt cho cc link khc nhau, nhiu nht 4 ln nhy/s 0,125s sng v 0,125s ttGiy u tin: nhy 1 ln l Link 0 hot ng bnh thng v khng nhy l Link 0 khng hot ngGiy th 3: nhy 2 ln l Link 1 hot ng bnh thng, khng nhy l Link 1 khng hot ngGiy th 5: nhy 3 ln l Link 2 hot ng bnh thng, khng nhy l Link 2 khng hot ngGiy th 7: nhy 4 ln l Link 3 hot ng bnh thng, khng nhy l Link 3 khng hot ngLp li. Mi chu k nhy ko di trong 8 giy.

E1SXanhCh th trng thi E1/T1 (Link 4-7)Nh trn

E2SXanhCh th trng thi E1/T1 (Link 8-11)Nh trn

E3SXanhCh th trng thi E1/T1 (Link 12-15)Nh trn

MSXanhCh th ch Master/SlaveBt: ch masterTt: ch slave

REFXanhTrng thi anten GPS hoc 2MHz, trng thi kt ni ca giao din SMA trn panel tng ngLun bt: feeder anten bnh thngLun tt: feeder anten v v tinh u bnh thng, ang trng thi khi to.Nhy chm (1,5s bt 1,5s tt): feeder anten b hngNht nhanh (3s bt, 3s tt)

REFGreenGPS AntennaState or 2MHz State, Connection state of SMA Interface on correspond- ing panelAlways On: antenna feeder is normal.Always Off: antenna feeder and satellite are normal, in initialization state.Slow Flash (1.5 s on, 1.5 s off): antenna feeder is broken.Quick Flash (3 s on, 3 s off): antenna feeder is normal but cannot receive satellite signal.Slowest Flash (2.5 s on,2.5 s off): antenna short circuitQuickest Flash (70 ms on,70 ms off): no message is received at the initialization stage.

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