vi ba so - alcatel

7/28/2019 Vi ba so - Alcatel

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Thit k mn hc Vi ba s Thit bALCATEL 9470 LX/UX LUX50

GVHD: Th.s V Trng Sn SVTH: Bi Th Trng 0

Li mu. .............................................................................................................................................. 11. Gii thiu tng qut .............................................................................................................................. 2

1.1 Sng vi ba. ..................................................................................................................................... 21.1.2 vi ba s. ....................................................................................................................................... 3

1.2 Ci t ODUs................................................................................................................................... 31.2.1 Tng qut .................................................................................................................................. 31.2.2 Cc dng c cn dng ............................................................................................................... 41.2.3 Ci t thit b ngoi tri mt cch ng b trn tr trn 114 mm. ............................................... 4

1.2.4 lp t thit b Outdoor............................................................................................................. 71.2.5Installing the sun shield............................................................................................................... 7

1.2.6 Thit t ng dn sng "flextwist ".......................................................................................... 81.2.7- Thay i s phn cc u ra anten............................................................................................. 91.2.8 - Trng lng ca thit b ngoi tri ODU..................................................................................... 9

2 - M t Thit b....................................................................................................................................... 92.1 Dng Alcatel 9400............................................................................................................................ 9

2.1.1 - M t c bn ............................................................................................................................102.1.1.1 Cu hnh chung ................................................................................................................10

2.1.2 cu hnh.....................................................................................................................................102.1.2.1 cu hnh khng lp bo v..................................................................................................102.1.2.2 Cc cu hnh Bo v..........................................................................................................11

2.1.3 - LX/ UX c tnh ALCATEL 9470. ..............................................................................................12

2.1.3.1 - Tnh linh hot Thit b. .......................................................................................................122.1.3.2 - S ci t n gin. ..........................................................................................................132.1.3.3 - Nhng c tnh phn mm Thit b. ...................................................................................142.1.3.4 - Qun l mng. ...................................................................................................................15

2.1.4 - Nhng cu hnh dung lng.....................................................................................................152.1.4.1 - Phin bn IDU Classic. ......................................................................................................152.1.4.2 - Phin bn IDU Light...........................................................................................................16

2.1.5 - Nhng cu hnh phn cng Tiu biu.......................................................................................162.2 Hot ng.......................................................................................................................................17

2.2.1 - cu hnh 1+0.............................................................................................................................172.2.1.1 Hot ng ca IDU chnh (thit b trong nh) (phin bn IDU Classic). ..............................172.2.1.2-Hot ng ca IDU Light.....................................................................................................182.2.1.3 - Cp IDU/ ODU...................................................................................................................19

2.2.1.4 Hot ng ca thit b Ngoi tri (ODU). ...........................................................................192.2.1.5 - Cu hnh m rng ESC......................................................................................................20

2.2.2 - M rng 1+0 cu hnh...............................................................................................................202.2.3 - Cu hnh HSB 1+1....................................................................................................................202.2.4 - 1+1Cu hnh HSB/ DIV.............................................................................................................212.2.5 - Cu hnh DIV 1+1.....................................................................................................................212.2.6 - Cu hnh lai 1+1 FD/ DIV..........................................................................................................222.2.7 - cu hnh 1+1 vi b bo v ghp knh/phn a knh................................................................22

2.3 - Thit k nhng knh dch v. ...........................................................................................................242.3.1 - ESC number 1. .........................................................................................................................252.3.2 - ESC number 2. .........................................................................................................................252.3.3 - ESC numbers S3 v 4...............................................................................................................26

2.3.3.1 - Khng c m rng IDU. .....................................................................................................262.3.3.2 - Vi m rng IDU (khng thch dng i vi IDU phin bn Light).......................................26

2.3.4 - ESC number5. ..........................................................................................................................272.3.4.1 - IDU Khng c m rng......................................................................................................272.3.4.2 - Vi IDU m rng. ..............................................................................................................27

2.4 - Nhng bo ng, tn hiu thoi v siu khin t xa (TS/ TC). .....................................................272.5 - Loopback ty chn...........................................................................................................................28

2.6 - Qun l Thit b. ..........................................................................................................................302.7 - IDU iu khin, nhng chnh v nhng u ni. ...........................................................................30

2.7.1 - Classic IDU...............................................................................................................................302.7.2 - IDU Light. .................................................................................................................................31

2.7.2.1 - Light IDU (phin bn19 ")...................................................................................................312.7.3 u m rng IDU.....................................................................................................................322.7.4u vo IDU.............................................................................................................................34

2.8 - Nhng c trng K thut................................................................................................................352.9 - tnh ton Bc tin tiu biu. ...........................................................................................................38

DH Giao Thong Van Tai - 450 Le Van Viet - Quan 9 - tp.HCM

http://vien-thong.blogspot.com
http://vien-thong.blogspot.com/http://vien-thong.blogspot.com/


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Li mu.

Thit banten vi ba s ALCATEL 9470 LX/UX LUX50 hin nayc dng rng ritrong cng ngh thng tin ding. Da vo nhngc tnh cu to n gian, d dnglp t, nguyn l hotngn gin ha vi vic sdng phn mm kim sot hotng cng nh bo v thit b to thun li cho ngi bo tr, sa cha. Phn mmgim st 946LUX50 cho php hin thchi tit thng s sng, hiu chnh cc cit hthng mt cch d dng. Mt khc ALCATEL 9470 LX/UX LUX50 sdng bng tn 7,8GHz l ng truyn tip vi ba s thng dng cho nhng h thng trm lp, chuyn tipc kh nng va v nh (thit b c cng ty Vietel mua v lp t trn nhiu trmchuyn tip)

Tuy nhin, trong qu trnh tm hiu d c rt nhiu c gng xong em khng

trnh khi nhng kh khn, thiu st cng nh sai lm nh khng gii thiu ht cctnh nng cng nhcch sdng mt s phn ca thit b: cit v thit lp trn phnmm, thng s tp lnh thayi cu hnh tn s, thay th linh kin my Nhngcsng gp kin, gip ca thy v cc bn hon thnh ni dung. Mongc sng gp kin ca thy ni dungc hon chnh hn.

Em xin trn thnh cm n.




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1. Gii thiu tng qut

1.1 Sng vi b a.

Thng tin chuyn tip vi ba S cng sut nh v Trung bnh 7, 8GHz.

- Vi ba c dng trong thng tin v tinh v vi ba d dng truyn qua kh quyn Tri t,t b nhiu so vi cc bc sng di hn. Ngoi ra, trong ph vi ba cn nhiu bng thnghn phn cn li ca ph radio.- Vi ba cng c dng rng ri trong thng tin v tuyn chuyn tip n ni t vi bathc tng ngha vi v tuyn chuyn tip (thng gi "lin lc vi ba", "tuyn vi ba","trm vi ba"...) mc d c 1 s thit b v tuyn chuyn tip hot ng trong di tn s410-470 MHz (thuc bng tn s cc cao UHF).

1.1.1 Bng tn sng vi ba s

- Ph vi ba thng c xc nh l nng lng in t c tn s khong t 1 GHz n1000 GHz, nhng trc y cng bao gm c nhng tn s thp hn. Nhng ng dngvi ba ph bin nht khong 1 n 40 GHz. Bng tn vi ba c xc nh theo bngsau:

Bng tn vi ba

K hiu Di tn

Bng L 1 n 2 GHz

Bng S 2 n 4 GHz

Bng C 4 n 8 GHz

Bng X 8 n 12 GHzBng Ku 12 n 18 GHz

Bng K 18 n 26 GHz

Bng Ka 26 n 40 GHz

Bng Q 30 n 50 GHz

Bng U 40 n 60 GHz

Bng V 50 n 75 GHz

Bng E 60 n 90 GHz

Bng W 75 n 110 GHzBng F 90 n 140 GHz

Bng D 110 n 170 GHz




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- vi bao s l h thng thng tin chuyn tip mt t s dng sng in t tn s Ghz truyn dn thng tin s.- Lng thng tin c truyn dn bi h thng vi ba thng l kh ln. ( nh tc lung E1, E3, E 4, STM1).

- Hin nay h thng anten v i ba sdng chyu cng ng h t ruyn

n thng t in nhiu knh.1.1.2 H thng phn mmiu kh in.

H thng s dng phn mm kim sot 946LUX50, chy trn nn window XP, NT ddng s dng.

1.2 Ci t ODUs

1.2.1 Tng qutThit b ngoi tri (b pht) 9400 LX/UX c thit k ph hp vi 1 hoc 2 anten.




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1.2.2 Cc dng ccn dngcha kha 3mm "Allen" (toolkit),.- kha vn phng 10 mm khng c cung cp ( cnh nhng dy t trn khi rnhnh),.- hp hay " ng " 17mm xon (toolkit), ( cnh ng ng knh 114 mm),- kha vn phng 20 mm (toolkit), ( cnh N nhng ci phch cm ng trc),- 6 x 100 vt phng mm, khng cung cp (s dng cnh king gi anten)

1.2.3 Cit th it bngoi tri mt cchng b trn tr trn 114 mm.H thng ct t ny p dng nhng ng knh anten 3.70M. ODU c ln trn 114

mm nh Anten t nhanh s dng dng: 3 CC08463AAxx




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1.2.3.1 Dng "bulng hnh ch U " cnh nh tr Phi 114mm1) Bt c vo thanh ch U trn v tr 1 trn tr 114 mm.2) Dng Bulong bc v tr 2.3) Chn vng m ph hp, v tr 3 v vn c cnh v tr 4 nhhnh v.4) Sit cht nhng c cnh 16mm v trnh lm mo tm thp.

1.2.3.2 - Ph hp vi y " Tumour " Lao nhanh+ Khi r nhnh.1 - xp khi r nhnh Trn xu thnh chui nhng thanh khp nhau vi kp ch U, lithng ra ng dn sng hng xung di.

2 - Trn mi u mt c ren, ph hp vi mt vng m (7), mt vng m phng (3) vc (4). Sit cht ai c u tin v sau xit ai c th hm.




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1.2.3.3Fixing the Tx/Rx block on the branching block

1 cu hnh 1+0, cung cp khi Tx/ Rx nh du N trn cnh khi r nhnh.2 Rp ni khi R nhnh v khi Tx/Rx li theo ng v tr c nh v cho trc trn mtni ca khi(xem hnh).3 Sit cht nhng trc vt hnh bm trn ci mc ca khi Tx/Rx gi chc 2 khikhng b tch ra.4 Np gp cng c nhng trc vt bm trn nhng ci mc.5 cu hnh 1+1, cho trng thi ch v phn tp khi Tx/Rx.




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1.2.4 lpt th it bOutdoorTm h tr khi r nhnh c thc dng cnh n outdoor " trn tng

1 Khoan nhng l cnh ti tm h tr r nhnh.2 t tm h tr v khi r nhnh trn tng.3 Thit t khi Tx/ Rx

1.2.5Install i ng the su n sh ield

1 -t mt hai v bo v ln khi Tx/ Rx.v xoay theo trc c dnh trn hnh, gn ng v tr vo bn n.2 cng c v na ln trn Tx/ khi Rx v loi b cn tr trn nhng v tr thumbsrewsca 2 na v bo v khi p li phi chng kt cc vi tr v vn vt theo v tr .3 lm ng nh trn cho na v bo v kia.

Sau khi lp xong c hnh dng ging hnh sau.




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1.2.6 Thit t ng dn sng "flextwist ".Mt ng dn sng do di vi mt c cung cp vi trc vt tr nn nhanh chng vming m bng cao su. N c dng ni khi r nhnh ti anten. Thit bng bc cung cp nh trong b 3 CC08010ABxx gm c :

ng dn sng ny c g vung mn (UBR) ti im cui v mp g (PBR) ti mt v trkhc.Mp g anten c nh du tren Hnh 31.1 mt di ca khi r nhnh, m bo nm phi sau ca anten v trnh b vng vict tr ca thp anten khi xoay.2 Cnh g ca ng dn sng flextwist ti cng nh trong Hnh 31.

3 Cnh v tr cui khc ca ng dn sng nhc cho thy trong Hnh 31




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1.2.7- Thayi sphn ccu ra anten.

n gin xon flextwist ca g anten xuyn qua mt gc ca 90 thay i hngphn cc trong s phn cc ca anten.1.2.8 - Trng lng ca thit bngoi tri ODU

2 - M t Thit b

2.1 Dng Alcatel 9400

Alcatel 9400 l mt loi h thng Vi ba radio im - im, thit k tha mn nhiuphng thc truyn ch s cn c ca nhng mng ring v cng cng, v nhng ngdng u c ln hn ch.

Sn phm LX / UX Alcatel 9470 bao trm di tn s t 7 n 8 GHz v nhng kh nngsau :

- 2 x2, 4 x2, 8 x2, 16 x2, 34+2 Mbit/s vi 4 QAM hoc 16 siu bin QAM.

Cc loi LX / UX Alcatel 9470 ngy nay s dng ton th gii bn trong cc:

- Nhng mng t bo,

- S truy nhp cnh ni mng cho in thoi cng cng hoc CLECs ( Dch v tngi ni ht Cnh tranh), bao gm :

+ C s h tng (ca) nhng mng IP Khng dy.

+ Trc tip b sung Point-to-Point truy nhp trong ni mng LMDS ( nhng dch v Phnphi Nhiu ima phng).

- Nhng mng c nhn.- V nhng mng Tin ch, s An ton/Phng th mng, v.v...

Tiu biu nhng khong cch t c l t 10 n 50 km cho 7/8 GHz.




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2.1.1 - M t cbn

2.1.1.1 Cu hnh chung

LX / UX Alcatel 9470 l ph hp hon ton vi nhng yu cu quc t trong bng tn 7v 8 GHz vi Tx/Rx chnh c tch ra sn sng ph thuc vo nhng siu chnhph hp mng cc quc gia.

Alcatel 9470 LX/UX 2x2 to 16x2 Mbit/s or 34 + 2 Mbit/s

Loi Bng Tn Tn s Chun ETSIT Tn s d kin S khc nhau

9470LX/UX

4 QAM

4 QAM

9470LX/UX

16 QAM

7 & 8 7.18.5

EN 301 216

Class 1

EN 301 216

Class 2

ITUR RecF3857

ITUR RecF3866

ITUR RecF3866

161,154,182,160,

311.32,305.56

311.32,305.56

151.614,126,119

(*) hy tham kho Alcatel nu c nhng s khc nhau i khc khng nh trc.

c tnh h thng LX / UX Alcatel 9470 l hiu qu ph cao ( s dng ti thiu di thngcao tn RF cho). Hiu qu phc ti u ha vi s s dng iu bin 4 QAMhoc 16 QAM ( 4 hoc 16 trng thi QAM) vi s lc s, cung cp s chiu theo vinhng mt n phm vi ETSI thch ng v nhng yu cu nhng pht x tp ( ERC CLi 74 01).

Mt hiu qu phm vi thm ch cn cao hn c t c cho mi trng bi s s dng(ca) iu bin 16 QAM.

Kh nng (Mbit/s) 2x2 4x2 8x2 16x2

Knh RF (iu bin4 QAM)

(MHz) 3.5 7 14 34+2

Knh RF (iu bin4 QAM)

(MHz) 3.5 7 28

2.1.2 cu hnh

2.1.2.1 cu hnh khng lp bo v

Mt thit bu cui Alcatel LX / UX 9470 (1+0) to ra thnh phn sau y :

mt anten ri,

mt flextwist,

mt 1+ 0 hp nhnh,

mt ODU (Outdoor Unit): hp nht b phn thu v pht RF y ( m em, sngRF).




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ODU khc vi 4 QAM hoc 16 QAM l n thch hp vi tt c bng thng.

IDU (Indoor Unit): hp nht di gc x l v a ra nhng giao din cng nh nhngknh dch v v s gim st.

IDU l c lp so vi tn s.

Cu hnh khc IDU l b ph thuc vo cu hnh ca h thng.

Mt phin bn Light sn c trong cu hnh 1+0 v nng cp ti 4x2 Mbit/s.

Mt phin bn Classic cho mi cu hnh c th ( 1+0, 1+1, kh nng nng cp lntrn ti 16 x2 Mbit/s hay 34+2 Mbit/s)

Hai phin bn IDU ny thch hp vi mt ODU v c thc trn ln trong cng mng.

- Mt cp ng trc n chiu di c th ln ti 300 M. ( xem thm ph lc 5)

IDU v Thit b Cui Chnh (1+1) 9470 LX/ UX anten ngoi tri 120 cm.

Hnh 1. Cu hnh Alcatel 9470 LX/ UX 1+1

2.1.2.2 Cc cu hnh Bo v.

C hai vn lm nh hng n tnh n nh ca mt thng tin v tuyn: nh thit bh hng v nhng vn truyn lan.

Nhng cu hnh bo v 1+1 c dng tng tnh n nh ca ng lin kt so vi

cu hnh 1+0 khng c bo v, bng vic thm nhng chc nng ph vo thit bngoi tri v trong nh c chia ra nh sau:

gi an ton mi lin kt trong trng hp ca tm thi (bo ng tm thi)hay quyt nh (h hng thit b) vn hnh.

ci thin vn hnh thit b v vn truyn lan (trong mt s cu hnh thit bngoi tri).

(1+1) cu hnh bao gm mt o mch tng Rx khng li.

Nu lin kt c bo v, th truyn dn v nhng knh phc tng bo v.

Nhng cu hnh bo v Khc nhau sn sng vi nhng ng dng sau y.

cu hnh ODU ng dng9470 LX/UX

1+0 1 ODU. khng bo v.

1+1 HSB 1 (1+0) hp nhnh.

1 anten n phn cc

Bo v chng li nhngs c.

1+1 HSB SD 2 ODU cng tn s

1 HSB hp nhnh.

1 anten n phn cc

Bo v chng li nhngs c.

nhng citin sthc hinchng linhiu

Fadping

nhiu ng




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1+1 FD Bo v chng linhng s c.

nhng citin sthc hinchng li

nhiu Fadingnhiu ng

SD: s phn tp khng gian,

FD: s phn tp tn s.

Nhng cu hnh nhng n v ngoi tri trn c cp phi c lin quan nmt trong nhng cu hnh nhng n v trong nh sau y:

cu hnh ODU ng dng1+0 Classic IDU

Light IDU Khng bo v.1+0EXT Classic IDULight IDU

Khng bo v. Ch yu avo dnh

cho nhngth m rngknh dch v

1+1 BASICPROTECTION

IDU Gc ( Classic).M rng ca IDU ( khngc chn Ghp hayphn knh).Truy nhp IDU *

Chuyn mch tng:chn lcng dn v mypht hot ng

tt nht (trongtrng hp caHSB)

1+1 WITHMUXDEMUXPROTECTION

IDU Gc ( Classic).M rng ca IDU ( khngc chn Ghp hayphn knh).

Truy nhp IDU *

Chuyn mch tng:chn lc ng dn vmy pht hot ng ttnht (trong trng hpca HSB)

c bo vtruy nhp nhnhbao gm phnv ghp

knh.

Ch thch:

* : Chng vi tc 34 Mbit /s hay cho kiu IDU 1.

2.1.3 - LX/ UXc tnh ALCATEL 9470.

2.1.3.1 - Tnh linh hot Thit b.

Phn mm kim sot Tn s:

B dao ng cc b RF, n c tng hp v c phn mm kim sot, bao trm tonb di tn s 7.1 - 8.5 GHz (tng hp bc 10 kHz). La chn knh RF trn l phthuc vo siu hng ca b lc r nhnh (c di thng cao tn RF l 28MHz).

Phn mm kim sot dung lng:.

H thng LX/ UX Alcatel 9470 cung cp nhng c tnh linh ng kh nng duy nht,kim sot bi phn mm a tc truyn theo bit ln cc i. Cc i ny c th




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c iu chnh t 2 x2 Mbit/ S 16 x2 Mbit / S Hay 34 Mbit/ S + 2 Mbit/ S bng vics dng nhng c tnh phn mm thch hp.

Kh nng h thng c thc nh hnh, bi phn mm, gia 2 x2 Mbit/ S v cc ic cho php bi t kha trong c tnh phn mm.

iu khin nng lng truyn:

Trong nhng trng hp nht nh, cng sut ra ca thit b phi c gim s giaothoa gia nhng mi lin kt trong trng hp nhng bc nhy ngn rt ngn. ctnh ny ci thin tnh linh hot thit k mng v tng tn s.

B sung iu khin ngun truyn t c bng cch ghp vo nhng b suy gim cnh (3,6 hay 10 dB) cnh b Tx trong hp r nhnh.

Nhng c tnh thng s phn mm:

Nhng c tnh ch cht Phn mm, c s dng giao din IDU Classic, cung cp tnhlinh hot cho nhng tham s cu hnh thit b, nhng ty chn ca n nh:

nh ngha cu hnh cc i: 1+0 hay 1+1. nh ngha kh nng cc i: nx2 Mbit/ S ln trn ti 16 x2 Mbit / S Hay 34 Mbit/

S + 2 Mbit/ S.

S Cho php (cho) 16 QAM iu bin.

t trn di tn s truyn (7 ti 40 GHz nhng cu hnh a ra y da theo yucu ca khch hng).

Loi Light IDU lm ni bt cu hnh nhng cnh (cha kha c tnh phn mm khngc c th di i c).

Cu hnh Cc i: 1+0,.

Dung lng: 2 x2 Mbit/ S nng cp ti 4 x2 Mbit / S.Cn cc Mi lin kt nh la:.

S lng nhng chuyn tip vi ba s, mt cch c bit trong nhng din tch th, tora vn c th giao thoa trong thi gian s ci t v s m pha.

Khung s kt hp cht ch mi lin kt m ha nhng kh nng ngn nga s vachm ca mt tn hiu khng mong mun.

2.1.3.2 - S ci t n gin.

LX/ UX h thng Alcatel 9470 c thit k cho php s ci t v s thao tcnhanh.

Thit b ngoi tri:.




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Thit b ngoi tri (ODU) l c b tr trong mt (IP 55) cngten chng li thi tit xurt linh hot n c chuyn vi mt mt trng tao ra s bo v ti in t trng ngoitri trong nhng khu vc kh hu nng v nng gay gt.

Thit b ngoi tri ( 1 hay 2 linh kin ph thuc vo cu hnh 1+0 hay 1+1) c th nhanhchng c thit t trn nhng vng a cc thch hp vi h thng ring bit. Hthng ny cho php bn thay i ODU m khng cm bt k cng c no.

Anten sp thnh hng c th th d dng c thc hin vi vic s dng mt thit bchuyn dng. Thit b ny, khi ni ti ODU, c th trnh mc tn hiu nhn c v ktni n u cui khc ca ng dn thng qua knh h tr (dng khi thch hp).

Nhng phin bn my IDU Khc:

Loi kch thc nh 19 inch (li Classic hay Light) - 1 IDU cao (cho) mi dung lng,chiu di 235 mm - Cho php ci t mt cch d dng trong gi treo 19 " v nhng tiuchun khng gian lu tr, nhiu ni khng gian hn ch do trong nhng t hay nhngtrm my ca cc t bo mng hay mng LMDS.

Kch thc IDU 19 c th cng c thit t nh mt my bn.

N cng c th trc tip thit t pha trong gi treo dnh cho t thit b truyn dn bntrong l trm BTS Alcatel ngoi tri, hay bn trong trm c s Alcatel LMDS ngoi tri.

Cp ng trc n:

Mt cp ng trc n di ti 300m ni ODU v IDU, v vy c tnh linh hot cao v loibc s ci t v tuyn v anten phc tp.

n gin y nhim :

Mi tiu chun kim tra tip nhn ti ch c thc lm vi mt PC n ynhim mi lin kt, lm m rng vic s dng ca cu trc - trong nhng c tnh gimst :

kim tra chtiu tng quan v tnh trng bo ng lin tc,

nhiu phng tin vng lp di gc,.

thit lp my pht PRBS v nhng my m li.

Kha cnh truyn thit lp hp nht my pht PRBS (Mu Chui Ngu nhin Gi-Pseudo Random Bit Sequence) My pht c tha vo mt tn hiu chun th libit nh gi bng nhng php o, to iu kin thun li cho s vn hnh khi u. Chophp dnh gi mc li Bit thng qua mt phn mm ng dng ci sn trn PClaptop. PRBS c thc iu khin m t xa.

2.1.3.3 - Nhng c tnh phn mm Thit b.

Thit bu cui LX/ UX Alcatel 9470 cung cp mt giao din F ti mt Craft Terminal(PC), m n cho php cnh bo, kim tra, o cht lng v cu hnh thit b.




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Phn t Mng LX/ UX Alcatel 9470 (NE) h tr mt nhm c bn ca nhng ng dng,c ni ti t phn ny v sau, cung cp vic th nghim v s bo tr thit bcn gin ha thao tc:.

S Ci t v nhng tham s Thao tc:

o declararation (ca) nhng s thit t phn cng thit b (cho) ODU vIDU: kiu cu hnh c bo v hay khng c bo v, di tn s, nh s ca

nhng nhnh, nhng ty chno cu hnh ca : dung lng, m ha lin kt, tn s Tx & Rx, kt ni cho,

vn vn

Trng thi bo ng viu khin:

kh nng kch hot hay ngn chn chnh Bo ng,

kh nng nh hnh bo ng vi nhng mc nghim trng khc,

phn mm trnh by mt s tng hp Ca Theo di al.

Gim st theo nguyn ngh G784:

Gim st cht lng lin kt: g b nhng li nn, li k tip, li nghim trngtip theo, khng c lin kt.

Kim k t xa

Kim k t xa c dng c thng tin cho php nhn ra y la chn Phn tMng

Lu k Bo tr:

ng dng lu ni dung bo tr cho php bn trnh ngy thng cui cng ghi nhngbo ng c lu li trong thit b khi Creft Terminal khng c kt ni.

Nhng php o nng lng:

ng dng ny c dng gi nhng php o trn nhng im php o v nhngbiu hin khc chng trn mn nh: nng lng Rx/pht , Rx hin thi, vn vn.

2.1.3.4 - Qun l mng.

Nhng gii php qun l mng c xut da vo nhng li th sau y:

Nhn Tng qut Phn t Mng:.

H thng qun l a ra mt cch nhn tng hp Phn t Mng, th hin theo thi gianthc ca tng hp nhng cnh bo do mi phn t mng cung cp. c tnh ny chophp tm cc h hng rt nhanh v hiu qu.

Phn t Mng:.

Tng ci gim st NE C thc qun l trong mt s nhn Phn t Mng chuyndng cho php cu hnh d dng v gim st NE.

2.1.4 - Nhng cu hnh dun g lng .

2.1.4.1 - Phin bn IDU Classic.

Cu hnh dung lng ph thuc vo.

kiu b phn giao din hng (Reed v LIU) thit lp trong IDU(s),

nhng phm phn mm chuyn bit c dng.

Bng di tng kt nhng kh nng theo nhng tc truyn theo bit m thit b IDUh tr v kiu phn mm lm ni bt phm c dng.




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2.1.4.2 - Phin bn IDU Light.

Phin bn IDU Light bao qut cc tc truyn bit sau y (c nh bi phn mm).

2x2 Mbit/ S

4x2 Mbit/ S

2.1.5 - Nhng cu hnh phn cng Tiu biu

* : Chdng cho 34 Mbit / S Hay (cho) kiu IDU 1.




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Nhng s khi i din cho nhng cu hnh chnh xut hin trong hnh t 5 ti 11trong nhng trang sau y.

2.2 Hot ng.2.2.1 - cu hnh 1+0.Mt s khi (ca) cu hnh ny c cho.

hnh 4 : phin bn IDU Classic,.

hnh 5 : phin bn IDU Light.

2.2.1.1 Hot ng ca IDU chnh (thit b trong nh) (phin bn IDUClassic).

S mch LAU ( Line Access Units)a ra mi chc nng bng c yu cu cung cp G.703 truyn dn v nhng giao din tip nhn nhnh v dng 2 Mbit/ S bitph (c khi c mt). iu ny Ch yu ny ch yu th vo s thch ng tr khng. Haikiu s mch c thc s dng.

LAU 3CC06059Axxx: tm cng cho 2 Mbit/ S mi nhnh ( Hai mch kiu nyc s dng cho cu hnh 16x2Mbit / S),.

LAU 3CC06061Axxx: mt cng cho 34 Mbit/ S + Mt cng 2 Mbit/ S cho dng bitph.




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Nhng mch LIU ( Line Interface Unit) cung cp mi chc nng tch cc c yu cucho truyn dn v tip nhn kiu G.703 chung cho cc nhnh v dng 2 Mbit/ S bit ph (ch yu l m HDB3 HCMOS s chuyn i). Mch LIU l nhng bng mch con mc n vo trong mch MCU. Ba kiu mch c thc s dng:

LIU 3 CC06026Axxx: mch cho 2 Mbit/ S cho nhnh,.

LIU 3 CC06119Axxx: tm cng m rng , c s dng phi hp vi tm cngca mch LIU ,3CC06026Axxx, cho cu hnh 16 x 2 Mbit/ S,.

LIU 3 CC06118Axxx: mt cng cho 34 Mbit/ S + cng dng bit ph Mt 2 Mbit/s.

B ghp knh v b phn iu khin (MCU):

Nhng chc nng b dn knh/ phn a knh, tp hp cho truyn dn v khi phcnhng nhnh t tng th nhn c,.

N ni cho nhau ca nhnh 2 Mbit/s,

t/ghp vo ca nhng knh dch v k thut (ln ti 5) v 2 Mbit/ S dng bit ph ( c

khi chc mt). ESC N1: c d tr cho knh gim st,

ESC N2: knh thoi vi gi ty chn,

ESC N3: giao din V.11 hay V.28 64Kbit/ S.

ESC N4 v N5: nhng giao din V.11 64Kbit/ S ( khng c tc 2x2 Mbit / S ).

Kt ni h thng gim st a phng, ni cho mt PC gim st.

Vic x l ca nhng lnh: tn hiu thoi v nhng siu khin t xa (TS/ TC),.

iu khin ca n v ngoi tri,.

Giao din vi thit b ngoi tri, cho : Nng lng c gi ti ODU,

s pht v nhn tng hp

chc nng pht v nhn c ODU gim st nhn v pht.

in thoi ESC cho vic truyn v nhn gia IDU v ODU.

Lu gi nhng s kin trong ngun pin - k c bo tr..

B cp in (PSU- Power Supply Unit) sn sng trong hai phin bn, 24 V hay 48 V DC,cho vic cung cp nng lng s cp. N cung cp chuyn i DC/DC pht sinhnhng in p cn thit c yu cu vn hnh thit b trong nh V in p b cpin s cp cho thit b ngoi tri.

2.2.1.2-Hot ng ca IDU Light.

Light MCU (b ghp knh Light v iu khin):

Tt c chc nng bng (ch yu tr khng ph hp) v nhng chc nng tchcc ( ch yu l chuyn i m HDB3 CMOS) cn cho truyn dn v tipnhn kiu G.703 chung cho bn nhnh,

nhng chc nng ghp knh/phn a knh, to ra tng th sc truyn v tito nhng nhnh t tng th nhn c,.

s ni cho ca nhnh 2 Mbit/ S.

vic thit k dch v knh t v s chn chc nng.




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ESC N1: D tr cho knh gim st

ESC N3: giao din V.11 hay V.28 64 Kbit/ S.

Kt ni h thng gim st a phng, ni cho mt PC gim st. vn hnh phnmm (SNMP) LUX50, Lu k SIMM phi b sung ( ty chn c bn theo tham kho9400 UXB267).

Vic x l ca nhng iu khin m rng: tn hiu thoi v nhng siu khin t xa(TS/ TC).

iu khin thit b Ngoi tri,

Nhn chung vi thit b Ngoi tri cn:

s truyn v s tip nhn tng qut.

s truyn v s tip nhn knh ODU gim st.

Cung cp nng lng ODU.

i IDU phin bn Light, nhng kiu s cung cp nng lng sn c :

19 " Light IDU: 24 V DC hay 48 V DC ( Phin bn ny l mt phin bn tiu thin thp, cho php hot ng Light IDU khng c qut gii nhit).

2.2.1.3 - Cp IDU/ ODU.

Dng cp ng trc, chcho tr khng 50 Ohm, vi chiu di cc i cp 300 mt, ktni IDU ti ODU:

Nhng dng nhng s liu gia IDU v ODU, gm c :

tng thc thu c t ghp knh nhnh.

nhng tn hiu iu khin ODU.

trong trng hp IDU Classic, knh thoi IDU/ ODU (kt ni n ESC N2.

in p b cp in (tip in) DC s cp (ca) ODU.

2.2.1.4 Hot ng ca thit b Ngoi tri (ODU).

Nhng giao din cp:.

tip nhn v s truyn ca nhng d liu,.

ca nhng tn hiu v in p b cp tch ra cung cp cho nhng h thngcon,

giao din (cho) tng th, (cho) truyn hay tip nhn, vi m em.

Thit b pht (TX) nhn tng th ca giao din cp. N ri x l x l cho truyn sng vi

ba, nh sau: s x l di gc:

o lc v m ha

o chuyn i s/tng t v lc di gc tng t

nh hng 4 QAM hay 16 QAM siu bin tn s RF c gi ra bi mt b daong ni ti trong my pht, khng c chuyn i ti tn s trung gian.

Khuch i cng sut.

Thit b thu (RX) nhn c mt 4 QAM hay 16 QAM iu bin sng mang v gii iubin n phc hi tng qut sc cho cung cp vo trong giao din cp. Thit bthu gm nhng chc nng sau y.

khuch i ting n thp ca ngi mang nhn c,.




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s dng mt b dao ng trong thit b thu gii iu ch 4QAM hay 16 QAM,

lc tng t v s khuch i tn hiu di gc vi AGC,.

bin i tng t/ s,.

lc s Nyquist,.

gii m vi s sa cha li pha trc

N cng s dng nhng php o t l li bit chuyn nhng tn hiu yu cu ti bdn knh/ b phn a knh (MCU).

S mchTX v Rx l tn s trong 10 kHz/bc. Mt bo mch n bao trm bngtn7.1/8.5 GHz.

M un b cp in nhn in p s cp ca IDU qua cp mi lin kt v pht sinhnhng in p i hi vn hnh nhng h thng con ca thit b ngoi tri.

M un r nhnh gm c hai b lc, s b ny ph thuc vo cu hnh. N tch tn hiutruyn v nhn tn hiu RF. Trong bng tn 7/ 8GHz, c hai b lc ph Nhng bng7.1-7.7GHz v 7.7-8.5 GHz.

Nhng b lc c t sn xut bi yu cu ngi s dng v cung cp s thch nghiti tn s khc nhng d kin nh ngha bi ITU- R, CEPT v nhng nh chc trchquc gia nht nh trong mi bng. ng dng vo c b lc truyn v nhn.

M un r nhnh v anten c ni vi nhau qua mt 1 (ng dn sng un do) "flextwist " di mt (ng ho).

2.2.1.5 - Cu hnh m rng ESC.

M rng ny, ch tch hp trong phin bn IDU Classic, c thc dng ty binESC N3 v N4 nh trnh by tm trong mc 2.3. N yu cu s c mt (ca) mt mrng IDU vi mt SCU chuyn dng (Service Channel Unit).

tm bng.

2.2.2 - Mrng 1+0 cu hnh.

Cu hnh m rng ny l cng tng t nh cu hnh 1+0, nhng khi r nhnh cthit k ti hai iu tit mt ODU cho c hot ng cu hnh 1+1 (ch trong phin bnIDU Classic). V tr ca hai ODU c lm bng ch ni nim phong bi mt tm bov. Tm ny c thc loi b nu thm ODU d phng.

2.2.3 - Cu hnh HSB 1+1.Cu hnh ny chsn c trong phin bn IDU Classic.

1+1 cu hnh ci thin lin kt hn phin bn trc bng vic bo v chng li hng hcthit b hay nhng vn v truyn lan.

Trong mt 1+1 HSB cu hnh, h thng s dng hai my pht vn hnh ti cng tn s.Chc mt pht i, mt c d phng trong trng hp c s c so mch ci rle vi ba (nh v khi nhnh). Trong thit b thu, tn hiu c gi ti c hai thit b thuqua mt b chia 3 dB, v MCU s chn tt nht trong hai tn hiu . H thng ny ara li l chc mt truyn knh RF. N Bo v h thng ODU chng li cc li.

Cu hnh (Hnh 6) ny yu cu mt b lc r nhnh n, nhng c thm phn quantrng sau.

Cho thit b truyn, mt ci r le c th la chn my pht,.

Cho thit b thu, mt b chia 3 dB, chia ra tng phn RF nhn c bo hiu giahai thit b thu. S Chn lc nhng tn hiu t mt hay thit b thu khc c xl bi tm mch MCU.




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2.2.4 - 1+1Cu hnh HSB / DIV.Cu hnh ny chsn c trong phin bn IDU Classic.

Cu hnh (Hnh7) ny khc vi 1+1 cu hnh HSB bi s c mt (ca) mt giy Nhnc kiu.

anten, lin quan ti thit b thu d phng. N khng c mt 3 dB s chia nhng c mtb lc r nhnh b sung.

Cu hnh ny ci thin tnh sn sng bng vic gii thiu s phn tp khng gian (cho)s bo v chng li nhng vn truyn lan.

2.2.5 - Cu hnh DIV 1+1.Cu hnh ny chsn c trong phin bn IDU Classic.

Trong mt cu hnh phn tp tn s, tn hiu c gi n song song qua c hai knhbnh thng v d phng,.

nhng tn s ca m mt cnh y c phn chia (cho) s truyn lan m dn nh l decorrelated nh kh d.




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Trong s tip nhn, MCU chn knh nhn c tn hiu cht lng tt nht. H thng

ny Bo v chng li hin tng truyn lan v cung cp hiu qu bo v chng hnghc ODU.

Cu hnh (Hnh 8) ny c ang tn ti bng vic thm mt b lc r nhnh v mt cimc ni RF vo cu hnh 1+1.

2.2.6 - Cu hnh l ai 1+1 FD/ DIV.Cu hnh (Hnh9) ny c thc s dng, bn trong mt mi lin kt, khi trm t xa lmt trm 1+1 FD . Trong n, trm nhn c nhng tn hiu trn hai anten, v th cungcp chng s phn tp tn hiu khng gian trong b thu. N yu cu hai r nhnh, b lc( mt ci dng cho thit b thu pht), mt ci lin kt ti mt anten.

2.2.7 - cu hnh 1+1 vi b bo v ghp knh /p hna knh.Cu hnh (Hnh 11) ny bo vng dy chng li nhng s hng hc ca mch MCUtrong IDU chnh. N Gm c :

mt IDU chnh, ging nh trong cu hnh 1+0 nhng nhng nhnh c hiuchnh tr khng cao,

mt m rng IDU,. mt truy nhp IDU,.

hai ODUs,.




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mt khi r nhnh.

M rng IDU cha mch LAU v LIU n ging vi phn trong Main IDU, v mt mchSCU x l c chc nng sau y.

b dn knh/ phn a knh nhnh,.

Tng bt su thu,

chun b nhng giao din ngi dng cho knh dch v N3 ti N5,.




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thc hin theo yu cu khch hng ca nhng knh cng c N3 v N4 bng victhm bng mch con ( nhn thy 2.3),

iu khin ODU th hai,

giao din cp ni ti hai ODU.

S mch MCU ca IDU chnh v s mch SCU ca IDU m rng trao i tng

thc pht/ thu.Chmt trong s 2 B dn knh c la chn. Trong tc N X 2 Mbit/ S (Khng truynhp), B dn knh IDU c la chn cung cp chc nng giao din trong khi mchkhc i hi tr khng cao.

Khi s dng mt truy nhp IDU, s l 1 trong 2 vic sau :

trong vic truyn, phn phi nhnh bo hiu ti c phn ch yu ln m rngIDUs,

trong vic nhn, truyn nhnh bo hiu t IDU tch cc.

Trong trng hp ny, 2 IDU Trong tr khng cao.

Tt c 1+1 cu hnh C bn c th cng sn sng trong 1+1 cu hnh vi bo v bghp knh (xem nhng mc 2.2.3 n 2.2.6).

2.3 - Thit k nhng knh dch v.Thit b Gm c :

cu hnh trong IDU Classic: 5 knh dch v k thut (ESC N 1 ti ESC N 5), loitr cu hnh 2 x2Mbit /s(chc ba ESC).

trong cu hnh IDU Light: 2 knh dch v k thut (ESC N 1 v ESC N 3).

Ni chung IDU Classic v Trong IDU Light, nhng c trng k thut ca dch v knhny t sn.

IDU m rng (phin bn Classic IDU) c thc dng ty bin ESC N3, N4 v N5.Thit b ny c thit t vi nhng bng mch con SCU ty bin ESC N3 v N4.

Bng di tng kt ESC ty chn sn c theo s liu cu hnh bao gm phn chchnh IDU (Classic, Light) hay mt phn IDU Classic vi mt IDU m rng khc.

ESC Cu hnh 1+0vi loi IDULight

Cu hnh 1+0 cbn vi loi IDUClassic

Cu hnh khc ca IDU Classic

ESC N 1 Gim st (1) Gim st (1) Gim st (1)

ESC N 2 Tn hiu thoi vi

la chn gi (1)

Tn hiu thoi vi la chn gi (1)

ESC N 3 V11 hay V2664Kbit/s (1)

V11 hay V2664Kbit/s (1)

Ph thuc trn bng mchcon s dng: (3).64Kbit/S G.703 giao din Pointto Point, ref: 3CC05710AAxx.

Analog Bn si, 600 Ohm, ref:3CC05711AAxx.64Kbit/S Point to Point, V11 hayV28:Ref 3CC05712AAxx.Btng bs(Cc i l

1 x9600bit/s Hay 2 x 4800 Bit/s),V11 Point to Point hay Point toMultiPoint (ba cch mc ni),Ref: 3CC05713AAxx.




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Bt ng b s (Cc i l 1 x9600bit/sHay 2 x 4800 Bit/s), V11 Point to Pointhay Point to MultiPoint (ba cch mcni), Ref: 3CC06482AAxx

ESC N 4 64Kbit/s V11 (2) As ESC N 3 (3)

ESC N 5 64Kbit/s V11 (2) 64Kbit/s V11 hay V26 (3)

2.3.1 - ESC num ber 1.

ESC N1 h tr BUS d tr cho gim st. Bus c thc hin gia trm bi mt lin ktv tuyn (knh 1 v knh X trong cu hnh 1+1) v trm c sn, ti nhng u ni NMS1v NMS2, thit lp nhng mi lin kt tim ti nhiu im (Hinh 12).

Vi 946 phn mm LUX50, 254 ln trn ti 65534 a ch sn c Khi no Sub-network

c chn B lp. Hai thit bu cui trong cng mng khng nn c cng a ch IP.T nhiu cu hnh c th c, bn nn lin h vi Alcatel cho mng cu hnh.

Mi cng c cho php hay v hiu ha trong phn mm h thng ("Cu hnh IP"):MSU1 truyn i bng sng v tuyn cho u vo/u ra, cp NMS1 v NMS2.

2.3.2 - ESC num ber 2.

Vic thit k knh dch v N2 ch l mt knh in thoi vi s gi chn lc sn c trongClassic.

Phin bn IDU. My in thoi c ni ti u ni trn IDU chnh. Cho mi thit bucui, mt sin thoi gia 011 v 999 c gn (khng phi bao gm X00) trong khis ci t . S 00 Cho cuc gi chung. Hai thit bu cui trong mng khng ctrng cng sin thoi. Hnh14 nu gi tr ESC N2:.




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trong dng ch s, ti "BACK TO BACK ni vi IDU chnh, (cho) nhng chuyni s trong nhng nh ga vi hai k lng nhng thit bu cui.

trong mu (dng) tng t, ti Audio 1" v "Audio 2" u ni (ca) IDU chnh, thit lp mt mi lin kt tim ti nhiu im.

2.3.3 - ESC n um bers S3 v 4.

2.3.3.1 - Khng c m rng IDU.

Nu khng c m rng IDU.

ESC N3 t mt im V11 hay V28 ti khng phy 64 Kbit/ S Knh,.

ESC N4 t mt im V11 ti khng phy 64 Kbit/ S Knh (khng thch dng i

vi IDU phin bn Light).Thit b V11 hay V28 c ni ti ESC ". Ngoi sinh." u ni (ca) IDU chnh.

2.3.3.2 - Vi m rng IDU (khng thch dng i vi IDU phin bn Light).

Vi mt m rng IDU, ESCs c th s ( G.703 hay V11/ V28 64 Kbit/ S, V11 hay V289.6 hay 4.8Kbit/ S) hay.

s tng t ( knh in thoi bn dy+ giao din TTL (ca) RON/ Introduce kiu), tim ti im hay.

tim ti nhiu im. ESCs c ty bin bi nhng bng mch con c m t7.9.

ESC tim tiim.

Kt ni (cho) thit b ESC:.

ESC N3: "ESC3-1" ti u ni m rng IDU.

ESC N4: "ESC4-1" ti u ni m rng IDU.

Kt ni hai nhng thit bu cui kiu back-to-back: ton b nhng thit bu cuiphi c mt m rng IDU vi mt mch ESC cng kiu. Mi lin kt c thit lp bimt "ESC3-1" nhng cng lin kt cp (ESCN3) v "ESC4-1 " (ESCN4) trn hai thit bu cui m rng IDUs.

ESC tim ti Nhiu im.

Kiu ESC ny chc thc s dng cho nhng mi lin kt s khng ng b.




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Kt ni thit b ESC:.

ESC N3: Ti nhng u ni " ESC3-1 " v "ESC3-2 " ca m rng IDU,.

ESC N4: Ti nhng u ni " ESC4-1 " v "ESC4-2 " ca m rng IDU.

Kt ni nhng thit bu cui cho ESC N3 c minh ha Hnh 15. Nhng nguyn lkt ni Cng cho ESC N4, thay th cho "ESC3-1" vi "ESC4-1" v "ESC3-2" vi "ESC4-2".

2.3.4 - ESC number5.

Knh khng c sn trong phin bn IDU Light.

2.3.4.1 - IDU Khng c m rng.

Nh ESC N4.

2.3.4.2 - Vi IDU m rng.

ESC N5 c th chlin kt tim ti im V11 hay V28.

Kt ni ca thit b ESC: Ti u ni ESC 5 ca m rng IDU.

Kt ni ca hai k lng nhng thit bu cui thnh lp mt i tip pht: ton bnhng thit bu cui phi C Mt.

m rng IDU vi mt mch ESC cng kiu. Mi lin kt c thc hin bi mt cp ni" ESC5 ".

nhng cng m rng IDUs ca hai thit bu cui.

2.4 - Nhng bo ng, tn hiu thoi v siu khin t xa(TS/ TC).

Thit b C :.




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Hai vng lp gn trc cho "Dch v nh hng n bo ng" (SA- Serviceaffecting Alarm), v " khng dch vnh hng n bo ng " (NSA) Mi bong hay s kin c pht sinh bi thit b c thc phn loi nh tnh cht,mc , Ph bnh, nhng li, Cnh bo khng xc nh, hay b xa sch biphn mm gim st.

Mt vng lp iu khin t xa, sn c i vi ngi s dng.

Ba vng lp ny tip xc (Chung, N / C v N/ Auntie) C th tip cn:o Alarm ". Vo/ra " u ni vi IDU Classic chnh.

o trn ESC3 "ALARM I/O" u ni ca IDU Light.

Vng c hnh thnh bi s tip xc chung v bnh thng, mt iu kin hayiu khin t xa bo ng.

8 housekeeping alarms (nhng chnh t xa qua nhng vng kh), sn c ivi ngi s dng. Nhng vng chnh t xa c nh hnh nh bnh thngm v c thc nh hnh nh bnh thng c ng, ph thuc vo s thitt nhng tro i trn mch MCU. Mt tn c thc gn vi mi vng, trong

phn mm, trong thi gian ci t. Nhng vng ny sn c.o trn ALARM. I/O kt ni IDU Classic chnh.

o trn ESC3/ALARMI/O kt ni IDU Classic chnh.

2.5 - Loopback ty chn.Loopback ty chn c cung cp To iu kin thun li cho y nhim V Nhng thaotc bo tr. Hnh17 bui din.

snh v nhng vng lp theo cu hnh.

Mi vng n un thnh vng tng th.

ti u ra IDU chnh, m rng IDU, v m rng ODU, kim tra cp lin ktgia IDU.

li vo ca ODU chnh v ODU (lnh ny ct t cng sut ra),.

ti u ra ODU chnh v m rng ODU.

Nhc nh:

Mt vng a phng ngt kt ni mi lin kt v c lp n t mng.

Cu hnh RF loopback yu cu my pht t xa b ct t.




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Chc nng iu khin t xa vng t xa phi c thc hin trn nh gat xa.

! c thc s dng trong mt IDU ca trm un thnh vng nhnc u ra ca mt nhnh nhn n truyn u vo.

Loopback T xa.

Cch ny, bn c th s dng phn tch t s BER ni ti trm aphng kim tra ngoi mt hop (Hnh18).




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Trc khi thit lp mt vng, bn phi gn nhng m nh danh mi linkt ng nht cho c hai.

truyn v nhn c nhng phng hng trnh pht sinh mt iukin bo ng.

2.6 - Qun l Th it b.Sau khi thit lp v y nhim thit b, nhng tham s cu hnh (Tc truyn theo bit,tn s, sc mnh vn vn.) c lu gi trong thit b.

Cu hnh c ct gi trong hai nht trnh, mt nh v trong IDU, ci khc trong ODU.

Tng p ngun, mch vi x l chi trch nhim viu hnh thit b so snh ni dungca hai nhng nht k:

nu ni dung ng nht, n ti ni dung ca h vo trong nhng m un khcnhau ca IDU v ODU, v chuyn thit b ti kiu hot ng ph hp.

nu ni dung khc.o Trn IDU, ba " URG ", " NURG " v " ATT " Led c bt ng thi vi

IDU. Thit bi nt " IDU- ACOODU" bt trn IDU chnh n chn mt cuhnh ti xung.

Note: Mt cu hnh hp l nu mt trong s hai IDU hay ODU Led c bt.

Cu hnh mc nh c tn ti bng vic th trnh cu hnh thit b m khng phic bao gm (kim tra, ngt kt ni ODU, bt ngun IDU v chn ti xung cu hnhODU khi n LED L sng cng lc). Bn phi np li ton b cu hnh thit b t CT.

Note: khi nhng IDU v ODU n LED c tt, thit b bt u tng hot

ng trng cu hnh mc nh.2.7 - IDU iu khin, nhng chnh v nhng u ni.Nhng mch IDU c bng "kt ni" v mt bng "Thao tc" (Hnh19). Nhng bng thaotc iu khin v nhng chtiu "u ni ". Bng trong khu vc m t thnh phn sau.

Trong mt s cu hnh, mt ci chi tit m t di b c th b st.

2.7.1 - Class ic IDU.

Bng u ni IDU chnh khp nhau Vi :. nhng chtiu cho thy tnh trng hot ng (ca) thit b nhn thong qua,.

nhng u ni.




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Nhng thnh phn c lit k trong bng di.

2.7.2 - IDU Lig ht .

2.7.2.1 - Light IDU (phin bn19 ").

Phin bn IDU Light chc mt bng " u ni " (Hnh20) Vi :.

nhng s chuyn i v mt nt bt li phn mm,.

nhng thnh phn mn hnh xc nhn tnh trng thit b nhn thong qua, hotng.

nhng cng u ni.

N trang b vi nhng chi tit c lit k trong bng di.




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2.7.3 u mrng IDU

Bng u ni m rng IDU khp nhau Vi :.

nhng chtiu cho thy tnh trng hot ng ca thit b.

nhng u ni.

Trong ba ct u tin bng di, mt ng t chbo s c mt nhng thnh phn phhp vi Ti n v kiu m rng:

Kiu A :n v m rng ESC.

Kiu B: 1+1 n v m rng m khng c s bo v ba hp(ba l ha, bdn knh).

Kiu C: 1+1 n v m rng vi s bo v ba hp(ba l ha, b dn knh.




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2.8 - Nhng c trng K thut.Nhng gi tr di l nhng gi tr tiu biu.




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2.9 - tnh ton Bc tin tiu biu.

"Zone E " da vo ITU - R iu kin kh hu (Thng bo 563 - 4)




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vi ba so - alcatel

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