Truyen Dan NEC

HNG DN LP T TRUYN DN NEC COMATEL.,CORP

HANOI - VIETNAM

Cc bc thc hin c bn

1. Bc chun b

2. Lp t trong phng (Indoor)

3. Lp t ngoi tri (Outdoor)

COMATEL.,CORP

CC BC CHUN BTrc khi tin hnh lp t tuyn truyn dn NEC phi m bo y cc yu t sau:1-Dng c lp t v trang b bo h lao ng.2-Kim tra thit b, vt t do nh sn xut cung cp theo bng mu c sn. 3-Kim tra phng tin vn chuyn c s dng.4-Kim tra tnh trng sc khe ca cc thnh vin trong nhm.5-Kim tra thng tin v trm v iu kin vo trm tin hnh lp t. COMATEL.,CORP

Gn DDF vo gi, lp phin Krone v u lungNi t cho b IDUCp ngun DC cho b IDU Bc tin hnh ci tThc hin theo hng dn Gn IDU ln giC nh b gi 19Tho hp ng b gi 19Lm u connector cho IDU v dy ngun DCTho hp ng ph kinM hp ng IDUXc nh v tr lp b gi 19 v thit b ngun DC COMATEL.,CORP1.Lp t indoor

MT S LOI IDU 4x2MB (75 & 120 Ohm Interface)16x2MB (120 Ohm Interface)COMATEL.,CORP

COMATEL.,CORP

gn b IDU ln Rack 19cn mt khong cch ln hn 20cm ti pha sau, pha trn v pha di ca b IDU.COMATEL.,CORPKhong cch ng >= 20cmKhong cch sai < 20cm

5-Cp ngun cho IDU4-Gn u connector vi IDU3-u ni dy lung 2M6-Dn nhn cho IDU2-Ni t cho b IDU1-IDU c c nh bi 4 vt(2 vt cho mi bn)COMATEL.,CORP

LP T NGOI TRI1- Tho hp ng thit b, kim tra thng s ca b ODU v anten.2- Thc hin lp t theo s .3- Thit lp phn cc (V H ).4- Lp t gi anten.5- Lp t ODU.6- u ni v sp t cp.COMATEL.,CORP

1- Tho d v kim tra thng s - Tin hnh kim tra mt s gi tr thit b (theo s liu thit k)(1) Di tn & di tn ph(sub-band)(2) Kch thc anten(3) Cc ph kin i km theo, nh c vit, thanh chnh .v.v.v.COMATEL.,CORP

KIM TRA THNG S ODUCOMATEL.,CORPLoi ODUHight hoc LowTn s 15G hoc 7GS Serial ca ODUSub-bandJ,K(loi 15G)E,G(loi 7G)

KIM TRA THNG S ANTENCOMATEL.,CORP

CH KHI LP ODUVi loi 7Ghz khi ODU nm tch ri Anten, c thm TranducerVi loi 15Ghz khi ODU nm ngay sau AntenTranducer

Ni cp tn hiu vi ODUNi t ODUSp t cp i vo phng Ni ti IDUThc hin theo hng dnGn ODUVo khungTho hp ng antenLm u connector cho b ODUTho hp ng ph kinTho hp dng b ODUTho v ca ODU xc nh phn ccLp t b gi anten, xc nh s phn ccCOMATEL.,CORPTham kho hng dn lp t anten2.Lp t outdoor

THIT LP PHN CC- Phn cc ODU Ph thuc vo hng nh du V-H

COMATEL.,CORPCh V trnPhn cc V(ng)Ch H trnPhn cc H(ngang)

THIT LP PHN CC- Phn cc antenPh thuc v tr ca ng dn

COMATEL.,CORPVertical PolHorizontal Pol.

Lm th no thay i phn cc ca antenCOMATEL.,CORP1- Tho b 4 vt2-Thay i v tr ca ng dn sng

Lp t gi anten1- C nh khung anten s dng b c vt c cung cp2- Chc chn l cc vt c vn cht. 1- Vn cht cc vt2- m bo vn cht vtCOMATEL.,CORP

LP T B ODU 1- t b ODU vo anten theo ng yu cu v phn cc2- m bo cc vt phi c vn cht. COMATEL.,CORP2- Vn cht vt

5- LP T B ODU3- a b ODU v anten n cao yu cu.4- m bo cc vt c vn cht.3- C nh ODU trn ct antenCOMATEL.,CORP4- m bo n c vn cht

6- U NI V SP T CP1- Ni cp tn hiu v dy t2- Bc u connector bng ming nha vinyl. COMATEL.,CORPNi cp tn hiuim u dy tCh : Dy Radio v dy t phi chy tch ri nhau

6- U NI V SP T CP3- Ch sp t cp tn hiu khi i vo IDU 4- m bo khng c vt nhn no tn ti trn ng i cp tn hiu. COMATEL.,CORP

Kim tra vt t ph kin connector

Cc bc lm u connectorCOMATEL.,CORP

Cch ra lung phin KroneDy lung ca thit b NEC bao gm 16 i dy (tng ng 8 lung E1). Phi lm 02 dy(16E1) lung t IDU ra phin Krone.Ch : Mt lung bao gm 02 cp dy, cp s 1 l cp IN(Thu) v cp s 2 l cp OUT(Pht) c mu, tuy nhin trong mi mu dy li c s vch khc nhau v vy phi ht sc cn thn v phi ra ng theo quy nh mu v vch.Trn phin, th t ra lung t tri sang phi, mt dy 08 lung bn ra 02 phin, phin trn l IN(Thu) phin di l OUT (Pht).COMATEL.,CORP

Quy lut mu dy lungCOMATEL.,CORP

Cch ra lung trn phinPHIN 1PHIN 2PHIN 3PHIN 4PHIN CNH BOCh : Phin cnh bo ch dng 4 chn u tin(na phin)

Mu ghi serial - Sau khi thc hin cc phn cng vic lp t, i trng i thi cng phi trc tip check li cc s serial ca thit b theo nh bng trn.

TTHopSite ASite BTn site1IDUIDU2ODUODU3TranducerTranducer4AntenAnten

Bn v nh trmSau khi thc hin cc phn cng vic lp t, i trng i thi cng phi trc tip v li s ton b trm. Ghi r cao anten, hng, chiu cao ct, chiu di cu cp, v tr phng my(tng), s cc thit b trong phng my(c ghi r khong cch).

- V d nh hnh di :

Mt s li lp t c bnKhng c nh RackDy Radio v dy t chy cng nhauKhng dng u ctKhng phun Silicon bt l feeder

Mt s li lp t c bnKhng c nh cp Radio tha qu nhiu cp Radio, qun vng gy suy saoKhng dn nhn

Chn thnh cm n!