Su dung MNL-E ver22

8/4/2019 Su dung MNL-E ver22

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TRUNG TAM THONG TIN DI ONG KV2 AI VO TUYEN

MUC LUC

Gii thieu........................................................................................................................... 3

A. S dung thiet b MNL-EI- Gii thieu thiet b1. Thanh phan

a) Trong nha MMU ................................................................................................... 4 SMU..................................................................................................... 5 SAU ..................................................................................................... 5 AMM ................................................................................................... 6 DDU..................................................................................................... 7

b) Ngoai nha RAU..................................................................................................... 7 Trong.................................................................................................... 8 Bo ga.................................................................................................... 9

2. Phan loai theo tan so Bang tan so ........................................................................................ 10 Truc tan so ........................................................................................ 11

II- Ket noi

1. S o ket noi nguyen ly ................................................................................... 122. S o ket noi thc te ....................................................................................... 13 Krone ......................................................................................................... 14 Day traffic.................................................................................................. 15 Day nguon DC ........................................................................................... 16 Day RF....................................................................................................... 16 Lien he gia file phan luong, Mapinfo va s o thc te ........................... 17 S o ket noi vi luong thue ..................................................................... 18

3. Luong th 17 .................................................................................................. 194. S o phan luong, au nhay cua nhieu tram ................................................... 20

III- Qui tac at ten cho tuyen MiniLink ................................................................ 21

IV- Phan mem ieu khien thiet b MiniLink MSM 6.41. Gii thieu ......................................................................................................... 222. Cai at MSM & ket noi vi PC ....................................................................... 233. S dung chng trnh ..................................................................................... 31

a) Man hnh khi ong & thay oi password ............................................... 32b) Thao tac vi cac ID ................................................................................. 32

Thiet b Mini Link E Trang 1


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Quet ................................................................................................ 32 Sap xep ........................................................................................... 33 Tm kiem ........................................................................................ 34 Them & xoa ................................................................................... 35

c) Xem thong tin cua 01 hop MNL

Xem canh bao hien tai ................................................................... 36 Xem thong tin chi tiet ca hop ........................................................ 36 Xem so seri cac card ....................................................................... 37 Xem canh bao cu ............................................................................ 37 Xem thong tin khac (nhiet o, chat lng, ) ................................. 38

d) Thiet lap thong so cho 01 hop MNL Setup AM ....................................................................................... 38 Setup Hop ....................................................................................... 40 Setup Traffic .................................................................................. 40

e) S dung menu nhanh, phm tat ................................................................ 42f) Dung 02 MMU chung 01 SMU ................................................................ 42

V- Ket noi gia cac hop trong mot tram BTS1. NCC ........................................................................................................... 452. EAC ............................................................................................................ 483. So sanh NCC & EAC ................................................................................. 504. Ket noi hon hp .......................................................................................... 51

VI- au nhay, loop, chnh thong so tren MMU1. au nhay au nhay cng ..................................................................................... 51 au nhay mem .................................................................................... 52

2. Loop Loop mem ............................................................................................ 53 Loop cng ............................................................................................ 55

3. Xem & chnh thong so trc tiep tren MMU ............................................... 55

B. Cac yeu cau khi lap at thiet b ................................................................. 58

C. ng cu thong tin MNL1. Xac nh tuyen b loi ....................................................................................... 652. X ly tuyen b loi ............................................................................................. 653. Cach xem loi tren OSS va MMU ..................................................................... 704. Kinh nghiem .................................................................................................... 73



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GII THIEU

Tai lieu nay dung e tham khao cho nhan vien VT-TT2khi s dung thiet b MiniLink-E.

Cac hng dan trong tai lieu nay ch goi gon trong cacthiet b hien ang s dung tren mang li TT2 thuoc aiVo Tuyen quan ly cho ti thi iem c viet xong.

Tai lieu khong i sau vao cau tao thiet b, ch nghieng vehng dan s dung.

My Tho, ngay 28 thang 06 nam 2006CAO THANH SN



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A- S DUNG THIET B MINILINK E

I. Gii thieu ve thiet b :

1. Thanh phana) Trong nha (indoor) :

- MMU :. Chc nang : bien oi tn hieu so (luong) sang tn hieu IF giao tiep vi

RAU.. Co 2 loai :

34+2 : 01 luong 34 Mbps va 01 luong 2 Mbps (E1)port luong

2 Mbpsport luong34 Mbps

man hnh congket noiNCC

congket noi

MT



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2x8 : 2 luong 8 Mbps

cong noi RAUcong nguonnut nhannut gat

- SMU :. Chc nang : giao tiep gia cac luong 2 Mbps va MMU.. Co 2 loai :



port 4 luong2 Mbps port 4 luong2 Mbps cong ketnoi MT port 4 luong2 Mbps port 4 luong2 Mbps

cong ketnoi MT

port 4 luong2 Mbps

port 4 luong2 Mbps

- SAU :. Chc nang : co nhieu chc nang, hien tai ch s dung e ket noi gia

cac hop trong mot tram BTS va giam sat & ieu khienmay phat ien t xa.

. Co 2 loai : Exp2 va Basic.

cong ketnoi MT

cong ketnoi EAC1

cong ketnoi EAC2



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- AMM :. Chc nang : la khung e cha cac card khac, co mach ien pha sau e

ket noi va phan nguon DC cho cac card.. Co 3 loai : 2U-2 : co 3 khe cam cho 3 card : 2 MMU, 1 SMU, theo th t t

di len 2U-3 :

co 4 khe cam cho 4 card : 2 MMU, 1 SMU,1 SAU

4U (hay 4U-1)co 7 khe cam cho 7 card : 4 MMU, 2 SMU, 1 SAU



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- DDU : phan phoi nguon DC cho cac card.

nguon ranguon vao cong tat cap ien cho cong ra Chu y 1 : loai nguon DC cap cho cac card :

24 V 48 V Auto Volt (24-60 V)

Chu y 2 : Cac lo tren backplane cua AMM va cac chau mat sau cac cardphai khp nhau.

2 lo MMU : ngang bang

2 lo SMU : di len

2 lo SAU : tren xuong

b) Ngoai nha (outdoor) :

- RAU :. Chc nang : chuyen oi gia tn hieu RF cua MMU va tn hieu viba (votuyen) e phat ra anten.. Co 2 loai :

* 7E (t/s 7GHz)* 15E (t/s 15GHz)



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Moi loai co 2 loai cong suat phat :* ST (STandard : cs thap)* HP (High Power : cs cao)

Chu y : cac loai nay eu co hnh dang giong nhau, ch phan bietbang cac thong so ghi tren nhan.

t/s 7 GHz,index 33, HP

ma san pham(Product code)

so seri

cong noi xuong MMU

oc bat day massen canh bao en nguon

lo o ienap thu

- Trong (anten) :. Chc nang : phat tn hieu viba ra khong gian & thu tn hieu vi ba ve cho

RAU.. Co cac loai ng knh : 0.3m, 0.6 m, 1m2, 2m4.

1 m 2

0,6 m



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3 oc bat RAU vao trong2 oc bat trong vao bo ga 3 oc bat RAU vao trong3 oc bat RAU vao trong2 oc bat trong vao bo ga

trong 0,3 m

- Bo ga : la bo phan c kh dung e gi trong tren cot va co c cau ieu chnhhng cho trong.

oc bat bo ga vao cot anten



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oc chnh xoay theo

phng ngang

oc chnh xoay theophng ng

2. Phan loai MNLE theo tan so :- Bang tan so : Trong 01 hop s dung 02 RAU co index khac nhau, 01 thap,

01 cao; Tan so phat cua au nay se la thu cua au kia va ngc lai. Khichnh tan so phat, thiet b se t ong chnh lai tan so thu. Cac cap index 15 GHz la : 21/25, 22/26; Cac cap index 7 GHz la : 31/35, 32/26, 33/37

V du :

RAU7E / RAU7E /35Rx=7331

Tx=7170

Rx=7170

Tx=7331

31



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- Truc tan so

- Nhan xet :. MNL 15E : khong thay the index lan nhau c.. MNL 7E :

Neu dung ung tan so c cap phep : 31 thay c cho 32 -> 35 thay c cho 36. 32 thay c cho 33 -> 36 thay c cho 37. 32 thay c cho 31, neu dung t/s 7170 -> 36 thay c cho

35 neu dung t/s 7331.Trng hp khac : 31-32-33 thay the nhau c nhng phai oi tan so thch hp,

tng t cho 35-36-37. Ch thay oi tan so tam thi va chu y en nhieu tan so.



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II. Ket noi :

1. S o ket noi nguyen ly cua cac luong E1 trong 01 hop MNL :

Dung MMU 34+2, SMU 16x2

Dung MMU 2x8, SMU 8x2:



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2. S o ket noi thc te :

DDU lay nguon DCt tu accu

DDU

MMU34+2

DDF Day luong t BTS

Tu BTS

Krone noi vi MMU34+2, luong th 17

SMU16x2

port traffic trenMMU 34+2

port traffictren SMU

Krone noivi SMU,luong th13->16

Trong + RAUDay RF

jumper RF

Tram noigia day

RF vajumper

1

1 2 3 4

2

3

4

Tu accu

Day nguon cho MMU



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- s o krone :

Moi luong co 2 cap day : 01 cap phat, 01 cap thu. Krone co 10 cap v tr bam day (5 luong), ch s dung 8 cap au (1->8), 2

v tr cuoi e d phong. Day traffic bam mat tren cua krone; day luong vao tram va day au

nhay bam mat di. Moi krone bam 04 luong t trai sang phai, moi luong co 02 cap phat &

thu lien tiep nhau, cap phat ben trai, cap thu ben phai. Mau day :

V tr cap day Mau

1 trang - dng2 trang - cam3 trang - luc4 trang - nau5 o - dng6 o - cam7 o - luc8 o - nau

- day traffic, v tr port tren SMU, s o chan :



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o Tren SMU 16x2 co 04 port traffic (moi port co 04 luong A,B,C,D) t traisang phai la : TR1A-TR1D, luong t 1 -> 4 TR2A-TR2D, luong t 5 - > 8 TR3A-TR3D, luong t 9 -> 12 TR4A-TR4D, luong t 13-> 16

o 04 day traffic t 04 port nay ket noi xuong 04 v tr krone theo th t ttren xuong di.

o S o chan cua 01 port traffic :

Chan Luong Mau day2, 3 B-Rx trang - nau5, 6 B-Tx trang - luc

9, 10 A-Rx trang - cam12, 13 A-Tx trang - dng14, 15 C-Tx o - dng17, 18 C-Rx o - cam20, 21 D-Tx o - luc23, 24 D-Rx o - nau

o S o chan cua 01 port traffic tren SMU & day :Tx-A Rx-A Tx-B Rx-B

Tx-CRx-CTx-DRx-D

Tx-ARx-ATx-BRx-B

Rx-CTx-C Rx-DTx-D



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- Day nguon DC : noi t MMU en DDU, neu khong co DDU th noi sang giaaccu.

- Day RF, connector : ket noi gia MMU va RAU, la day ong truc va tai 2 loaitn hieu IF + nguon DC 60V.



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- Lien he gia file phan luong,Mapinfo vas o thc te:



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- Ket hp vi luong thue (VTN & BT,...) :

DDF

BSC07

SGC30LngHoa

au nhay 1212

RBS

Long AnPTT

luong BT ket noivao MNL (12)

luong tramnoi hethong DDF

luong tramvao BSCBTS Can c

dung thue BTLong An

Thiet bBT taiLAPTT

Thiet bVTN taiLAPTT

RBS

BTS LAPTT dungthue VTN

Thiet bVTN tai125 HBT

Thiet bBT taiLACDU



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3. Luong th 17 (luong 2 Mbps tren MMU 34+2) :

- Tren MMU 34+2 ta co the s dung luong 2 Mbps. Nh vay, oi vi hopMNL s dung MMU 34+2 va SMU 16x2 th ngoai 16 luong 2 Mbps trenSMU ta co the s dung luong 2 Mbps tren MMU, luong nay c xem nhla luong th 17 trong hop.

- Luong 2 Mbps nay oc lap vi SMU.



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4. S o phan luong & au nhay cua nhieu tram :

A-L1 BSC

luongtram noihe thongDDF D

DF

BSCluongtram vaoBSC

B-L2C-L3

4 luong :1-A, 2-B,3-C, 5-D

D-L5

RBS

RBS RBS

luong tramD : L5

luong tramC : L3

luong tramA : L1

au nhay :3 3

au nhay : 2 2 (B),33(C) (C) 55(D)

RBS

luongtram B :

L2

au nhay :5 5 D

BSCA

B

C

D



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III. Qui tac at ten cho hop MNL :- Thiet b MNL tai moi au tren mot tuyen truyen dan eu co ten, gom 4 ky t

in hoa, goi la ID (IDentify : nhan dang).- ID dung e phan biet cac au MNL trong mot mang truyen dan -> cac ID

khong c trung nhau.- oi vi TT2, qui tac at ten nh sau :

V du :



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IV. Phan mem ieu khien thiet b MiniLink MSM 6.4 :1. Gii thieu :

Hien tai, chung ta co 3 phan mem e ieu khien (thay oi thong so, theo doitnh trang) thiet b MNL.

a) NetMan 4.0 (Network Manager) :- La he thong phc tap, hoat ong theo mo hnh Server-Client.- Co CSDL (SQL).- Hoat ong 24/24.- Ngi dung khong ket noi trc tiep vi MNL, phai ket noi qua mang

may tnh (LAN, WAN).- Khong setup AM c (khong thay oi c ID, cau hnh thiet b c

ban).

b) MNM (MiniLink Network Manager) :- Nho gon, n gian.- Khong co CSDL.- Ket noi trc tiep vi MNL qua cong COM.- Cai at c tat ca cac thong so.- La phan mem cu, mot so chc nang khong tng thch vi thiet b

MNL version mi.

c) MSM 6.4 (MiniLink Service Manager) :- Co the xem la trung gian gia NetMan va MNM.- Co CSDL n gian (MSDE).- Ket noi trc tiep vi MNL qua cong COM hoac qua mang may tnh.- Cai at c tat ca cac thong so.- La version mi nhat.



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2. Cai at MSM 6.4 & ket noi vi PC :- Cai at MSM : trong qua trnh cai at MSM se cai MSDE (Microsoft SQL

Server Desktop Engine) vao PC neu tren may cha co phan mem nay. MSDEdung e cha CSDL cho MSM, neu phan nay b loi trong qua trnh s dung cancai lai va tao mi lai CSDL cua MSM trong nay.

- Cac bc cai at MSM vao PC : Chay file setup.exe trong th muc cua chachng trnh goc cua MSM, lam theo cac bc nh hnh :B1:

B2:



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B3:

B4:



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B5 :Neu tren may a cai SQL Server th chuyen sang B7

B6 :

Chu y : e trong password cho user admin cua MSDE.



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B7 : bo qua bc nay neu a thc hien bc 6

Chu y : e trong password cho user admin cua MSDE.

B8 :



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B9 :

B10 :

B11 :



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B12 :

B13 :

B14 :



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B15 :

B16 :

Cach kiem tra hoat ong cua MSDE : vao Settings -> Control Pannel ->Administrative Tools -> Services :



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- Kiem tra cong COM cua PC : nhap phai chuot vaoMy Computer trendesktopcua Windows XP.

- Thiet lap cong ket noi vi thiet b MNL.

- Cong ket noi tren MNL : cong O&M tren MMU, SMU,SAU.



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- S o chan cua day noi PC-MNL. 02 au 9 chan, 01 c, 01 cai. au cai : noi PC, au c : noi MNL. Dung 3 chan : 2,3,5 au thang nhau.

3. S dung chng trnh :a) Khi ong :

- Chay chng trnh can nhap password e vao che o Control Operator.



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- Cach thay oi password :

- Sau khi nhap password neu hien hnhong hola ang co loi ket noi giaMSM va MNL (sau o se hien bang bao loi) -> can kiem tra lai cong ket noiva day noi.

b) Thao tac vi cac ID : Quet (scan) : co 2 loai

o Scan : MSM quet va hien th tat ca cac ID ma no ket noi c, baogom : ID ang ket noi vi MSM + au xa cua no.

Cac ID ang noi NCC + EAC vi ID ang ket noi MSM. Cac ID ang noi NCC + EAC vi cac ID ma MSM thay c.Thiet b Mini Link E Trang 32


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o Scan local : MSM quet va hien th cac ID sau : ID ang ket noi vi MSM + au xa cua no. Cac ID ang noi NCC ngoai va trong vi ID ang ket noi MSM.

Sap xep : nhap trai chuot vao cac cot can sap xep.



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Quay lai sap xep mac nhien khi quet e a ID ang ket noi viMSM len au :

Tm kiem : nhan Ctrl-F trong man hnh danh sach ID, go vao ten ID, nhanOK.



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Them & xoa :o Them : nhan Ctrl-T, nhap ten ID, nhan Add New ID, nhan OK

(co the them nhieu ID cung luc.

o Xoa : chon ID muon xoa, nhan phm DEL, nhan Yes khi choi.



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c) Xem thong tin cua 01 hop MNL : Xem canh bao : 4 loai canh bao.

Xem thong tin chi tiet trong hop : ENTER tai ID can xem trong bang danhsach ID.



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Xem so seri cac card :

Xem canh bao cu (Alarm history) : Menu -> View -> Alarm History



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Xem thong tin khac (nhiet o, chat lng, ) :Menu -> View -> Performance

d) Thiet lap thong so cho 01 hop MNL :

e a 01 hop MNL vao hoat ong can thiet lap cac thong so : ID, loai card,tan so phat, ID au xa, ngng canh bao AGC & BER, bat canh bao luong sdung... Gom 3 bc : Setup AM : Gan ID, chnh thong so card s dung, ket noi NCC (neu co).



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Setup Hop : khai ID au xa, chnh tan so, mc phat, ket noi NCC (neuco), .

Setup traffic : bat tat canh bao luong, chnh ket noi gia cac port luong.o V du 1 : Bat canh bao luong 9



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o V du 2 : oi luong 9 ra port khac



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e) S dung menu nhanh, phm tat :Co the dung cac phm tat e thc hien nhanh tai man hnhdanh sach ID, makhong can phai m man hnh thonh tin cua hop.

Chu y :Cac thao tac tren MSM 6.4 va cac phan mem khac (NetMan,MNM, MSM version trc) la tng t nhau.

f) Dung 02 MMU chung 01 SMU :Co trng hp s dung 02 MMU 8x2 va 01 SMU 16x2 trong 01 AMM 2U(hoac mot phan cua AMM 4U), luc nay moi MMU la 01 hng va s dung08 luong cua SMU chung, cac hnh anh setup nh sau :

Setup AM :



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Setup Traffic :



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V. Ket noi gia cac hop trong mot tram :

Trong mot tram co the co nhieu AMM (>= 2), e giam sat c cac hop MNL t xath cac AMM nay phai c noi vi nhau. Co hai cach e ket noi : NCC va EAC.

1. NCC :- au day : au cai, 9 chan.

- S o chan noi :

S dung 4 chan : chan 5, 6 : noi nhau. chan 8 8 chan 9 9



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- Cong ket noi : dung cong NCC tren MMU.

- Thc hien : Setup AM cho 2 AMM (khong cam day NCC vao) :

Cai thong soExpanded NCC :Mac nhien laInactive, phai cai 01 AMM laAM no 1 va AMM con lai

laAM no 2, ta qui c thong nhat nh sau :AMM gan tren : AM no 1.AMM gan di : AM no 2.



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Setup Hop cho 01 AMM bat ky (cam day NCC vao trc), cai at thong soExp. NCC :

- Chu y :o Cach noi nay laExpand NCC(NCC ngoai), khac viNCC(NCC trong) la

ket noi mac nhien gia cac card trong 01 AMM (thng la 2 hop trong 01AMM 4U, hoac vi card SAU).

o au day NCC co 02 chan noi nhau ben trong, khi setup AM cua AMM naoth phai thao au NCC ang cam vao AMM o.

o en xanh tren MMU se chp neu a setup AM xong nhng cha cam dayNCC.

Kiem tra : scan local phai thay c cac ID sau : ID chnh no. ID au xa. ID cua cac card noi NCC trong. ID cua MMU va noi NCC.



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2. EAC :- au day : au c, 9 chan.

- S o chan noi :



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S dung 4 chan : chan 1 1 chan 2 2 chan 6 6 chan 7 7

- Cong ket noi : dung cong EAC1 va EAC2 tren card SAU.

- Thc hien :Setup AMcho cac card SAU :

Cam card SAU vao khe tren cung cua AMM can ket noi (2U-3 hoac4U), khong can tat nguon.

Khai ID cho card SAU theo ung luat ID.



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Chu y : AMM 2U-2 khong them card SAU c. Khong c co canh bao Configuration tren card SAU. Cac card trong AMM va card SAU phai thay nhau. Thong so Expand NCC cua cac card trong 01 AMM phai giong

nhau. 2 loai card SAUBasic vaExp2 eu dung c.

Setup Comunication cho cac card SAU : Cam day ket noi cac card SAU : co the cam vao cong EAC bat ky.

Nhng e de theo doi, ta qui c :EAC 2 cua card tren noi viEAC 1cua card di, khong can tao mach vong.

Khai trong phan EAC tat ca cac ID cua cac card SAU ma card SAUnay ket noi ti bang chuoi cac day noi, ngoai tr ID cua ban than no.

Kiem tra : scan phai thay het cac hop a ket noi.

3. So sanh hai cach ket noi :

NCC EACkhong dung them card phai lap them card SAUcai at n gian cai at phc tapch noi c 02 AMM noi c nhieu AMM



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4. Ket noi hon hp :Nham giam so lng card SAU s dung tren mang va thc hien ket noinhanh, can tan dung triet e ket noi NCC.

VI. Cach au nhay & Loop kiem tra & Chnh thong so tren MMU :1. au nhay : Muc ch :

Chuyen tiep cac luong E1 t hop nay sang hop khac.

Thc hien au nhay cng :o au cheo cac cap day thu & phat vi nhau (cap day phat trong luong E1cua hop nay se au vao cap day thu trong luong E1 cua hop khac vangc lai).

o Bam day vao mat di cua krone.



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Kiem tra :o o LED : LED ap len 04 cap krone phai sang to va eu.o Bat canh bao 02 luong thc hien au nhay trong MSM -> phai het canh

bao cua cac luong tng ng tren ca 02 hop. Cac loi thng gap :

o Trung cap thu phat.o au sai luong.o au sai 01 cap day trong luong.o Lap at sai v tr krone.o Loi day traffic : kiem tra bang LED mat tren cua krone, neu cap phat

khong sang th kiem tra mau cua day traffic, krone, au day traffic.Cap thu cung gap loi nh vay nhng khong the o bang LED.

o Loi port traffic cua SMU. e tranh loi xay ra trong qua trnh au nhay : can bat canh bao va loopcng luong can au nhay e kiem tra phat hien loi (neu co).

au nhay mem :Cach au nhay va trnh bay tren day la au nhay cng (s dung day nhaye bam vao krone), oi vi cac hop MNL chung AMM con co cach aunhay mem (khong dung day nhay bam vao krone) nh sau :o M Setup traffic.o Disconnect cac luong E1 can au nhay tren 02 ID-MNL ra khoi port

traffic.o Connect cac luong nay vi nhau.



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2. Loop kiem tra : Muc ch :

Tao mach vong theo hng i hoac ve e kiem tra tng thanh phan cua 01tuyen MNL.

Thc hien loop mem :o M hop can loop.o Nhan vao nutLoop.o Cac kieu loop :

Loop luong E1 :

Loop IF (MSM khong cho phep thc hien /v au xa) :



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Loop RF (MSM khong cho phep thc hien /v au xa) :

o oi chieu loop :



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Thc hien loop cng :o Ch loop c luong 2 Mbps tai krone ve pha SMU.o bam day noi gia cap thu va phat cua luong can loop vao mat di cua

krone.

3. Xem & Chnh thong so trc tiep tren MMU :o Gia mat trc cua MMU co 01 man hnh nho dung e hien th mot so

thong tin cua thiet b.o Dung 02 nut gat va nhan tren MMU e ieu chnh va hien th cac thong

tin nay len man hnh MMU.

T : Transmitter on

- : Transmitter off

R : Receiver selected- : Receiver standby ( /v 1+1 )

Trang thai au ganA : Loi roi loan luong (nghiem trong)B : Loi khac (khong nghiem trong)W : ang ieu kien khong bnh

thng (lap, P-mark )

- : Hoat on bnh thn

en nguon nut gat nut nhan

Trang thai au xa



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o Cach s dung : Phan nay giong nh mot menu vong tren TD.Nut gat(len-xuong): co 04 tac dung tuy trng hp cu the : Hien man hnh. Nh la phm mui ten len & xuong dung e dch chuyen gia cac

menu. Thay oi thong so. Huy thao tac trc o (Cancel).

Nut nhan : co 04 tac dung tuy trng hp cu the : Hien man hnh. Nh la phm ENTER dung e di chuyen vao trong mot menu. Xac nhan thay oi thong so (Yes). Thoat khoi menu hien tai (Escape).

Lc o Menu tren MMU:Menu chnh, gat xuong e hien cacmenu sau :

Xem cac canh bao au gan

Xem, chnh tan so phat

Bat / tat bo phan phat

Xem, chnh cong suat phat

ieu khien lap vong

Hien th : mc thu (dBm),nhiet o RAU (Outdoor temparature),nhiet o MMU (Indoor temparature)

TR - -

Dung lng tuyen.

Lu y : menu nay co the khac nhau tuy theo version cua MMU.

7170

S M UN e a r A lm

M M U

M u x n

R A U

T x F r e q 7 / 31

T x O n / Of f T x O f f

T x O n

+ 28 dBmT x P o w er

L o o p N o l o o p

R F l o o p

I F l o o p

M e a s ur e I n -5 0 . 0

OTmp 2 6

I Tm p 4 5

C a p a ci ty



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Hnh anh thc te khi chnh cong suat phat :

gat len hoacxuong

Nhan vao

gat xuong



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B- MOT SO LU Y KHI LAP AT THIET B

I. Indoor :1. Lap Magazine len gia:

Thao ri nap trc cua Magazine Gan day tiep at Lap Magazine len gia Lap tra nap trc cho Magazine

2.

Lap card vao Magazine :



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Cach thao card : dung 2 moc tren nap Magazine

3. Lam cac au cap nguon & traffic :



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II. Outdoor :Khu vc cam trc Anten

1. Chnh ung phan cc cho anten,

Mac nhien la phan cc ng (V).

Chan t



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Cach chnh sang phan cc ngang (H) :

2. Lap ga vao cot, lap anten vao ga.



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3. Lap RAU vao anten :



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4. Lam au connector, lap day RF & day mass :



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5. Chnh tan so :Chnh bang MSM (hop setup) hoac chnh trc tiep tren MMU.

6. Chnh hng cua 02 au.Chnh cac oc xoay trong theo phng ng va ngang, theo doi mc tn hieu thuc tren MSM hoac o volt tren RAU.



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C- NG CU THONG TIN

1. Xac nh tuyen TD b loi :a) Xac nh ro cac tram b mat DIP va mat cau hnh (rt tram), can lu y : Cac tram cascade ng sau : nhieu luc DIP mat nhng van co cau hnh

(tram khong rt), do DIP MO khai tren BSC khong hien th chnh xactrang thai hien tai, ch can block & deblock DIP nay la no chuyen ttrang thai ABL sang WO.

Cac tram dung MXU-DXX : luc nao DIP cung WO, ke ca luc tram bmat cau hnh do rt DIP. That s luc o DIP a rt nhng do BSC ket noi

ti tram qua trung gian DXX nen BSC khong thay DIP tram b rt.b) Da vaos o truyen dan va bang phan luong -> xac nh c tuyen TD

ang b loi.Lu y rang neu tren mot hop co nhieu luong, khi s co xay ra ch co vai

luong rt va cac luong khac van chay c, th van xem la hop nay bloi, nhng ay la loi luong. Trng hp nay can phai co d lieu luongchnh xac v rat de phan oan sai.

Chu y xac nh c loi cac luong thue neu co.

2. X ly tuyen b loi : Xem trang thai loi tren MSM :

- Co ket noi c en hop b loi ?- Ket noi en hop b loi bang ng nao ?- Co thay c ca 2 au ?- Co thay loi (canh bao mau o, mc thu thap, card b m)?( Neu khong thay loi : can kiem tra lai ID cua hop, tan so, ID au xa tronghop setup cua ca 2 au).- Da vao cac canh bao loi hien th tren MSM,tham khao cac tr giup cuachng trnh va kinh nghiem ban than e xac nh chnh xac nguyen nhangay loi.- VD : hnh anh tuyen LAPTT-LAKHA b loi, cach xem loi va cac tr giupx ly cua MSM :



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Loop kiem tra :VD : Loop IF tai LAPTT

-> Mc thu sau khi loop IF : 30~35 -> 95% cac trng hp la thiet b aunay khong b loi



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Xac nh nguyen nhan : nhieu, h card, day, AMM, che chan, lech hng,...

Khac phuc nguyen nhan gay loi : thay the thiet b hong, chnh hng, thongso.

Thiet lap thong so sau khi thay card : setup AM, setup Hop, setup Traffic.Lu y :

Tiep xuc gia backplane AMM va card, co the gan card sat vao trongkhong nhan dang c, nhng e h ra chut t th tiep xuc tot hn.

Hai oc ben hong card ch xiec va tay, khong c xiet qua cng. Phai kiem tra chnh xac ID au gan & xa va tan so trc khi tien hanh

x ly. Trc khi thay oi thong so cua tuyen phai am bao nh chnh cac thong

so cu, ac biet la tan so phat va au mem luong ben trong AMM 4U.

3. Cach xem loi tren OSS va MMU : Trang thai loi tren OSS :

- Lenh xem trang thai cua 01 luong (DIP) :DTSTP:DIP=XSGC3OY;

(X : BSC, Y :loai thiet b) Ket qua tra ve :

o WO (WOrking): trang thai toto ABL (Auto Blocked) : trang thai loi (MBL : loi Manual blocked),

chi tiet loi gom : LOF & LOS : mat luong tai BSC, BSC khong noi c ti

MNL. AIS & LOF : mat luong tai tram hoac tren tuyen TD, loi nay

thng gap nhat. RDI : loi cap day cua BTS, b tai tram hoac tren tuyen TD.

- Lenh xem trang thai cua nhieu luong b loi (mat DIP) :DTSTP:DIP=ALL,STATE=ABL;

- Lenh xem chat lng cua luong b loi : s dung khi luong WO, chap chndan en tram b mat cau hnh hoac chap chn :

DTQUP:DIP=XSGC3OY; Thc hien nhieu lan lien tuc xem luong co b trt, kem chatlng.

- Lenh xem tram b mat cau hnh :ALLIP : ACL = A1;



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Xem loi tren MMU (t dung) : co the xem trang thai loi tren man hnh cuaMMU (vao phan ALARM); cach nay ch dung khi khong the ket noiMSM en hop nay c, do kho do, khong trc quan va ay u nh MSM.Canh bao cua SMU :

Canh bao Giai thchConfig Loi cau hnhProc HW Loi phan cngProc SW Loi phan memEEPROM Loi EPROM

Canh bao cua MMU :Canh bao Giai thch

In BB1 Loi luong vao tren kenh 1, hng phat

TXFIFO1 Loi luong vao tren kenh 1, hng phatIn BB2 Loi luong vao tren kenh 2, hng phatTXFIFO2 Loi luong vao tren kenh 2, hng phat

Khong nhan dang c khungRa FrmRa ID Radio ID khong ungBER BER vt qua ngngConfig Loi cau hnhProc HW Loi phan cng

Proc SW Loi phan memEEPROM Loi EPROMHCC Loi lien lac gia 2 MMU (gan & xa)RCC Loi lien lac gia MMU va RAU

Canh bao cua RAU :Canh bao Giai thch

Tx Ifin Loi khi nhan tn hieu trung tan phat t MMU

en RAURF Out Tn hieu RF phat ra b giamRF In Tn hieu RF thu nho hn ngng thuAGC Tn hieu RF thu nho hn ngng AGC, dung

chu yeu trong cau hnh 1+1 e chuyen antenRx AFC Tn hieu nhan vt qua ngng AFCConfig (khong dung)Froc HW Loi phan cng

Froc SW Loi phan memEEPROM Loi EEPROM



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4. Mot so kinh nghiem :1) Ma : mc thu thap ca 2 au, loop IF 2 au cho ket qua tot.2) B vat can che chan ng truyen : mc thu thap, chap chn.3) Lech hng : mc thu thap, chap chn, co the long bo ga tren cot.4) Nhieu tan so : loi BER, chap chn.5) Day RF b loi : loi BER, chap chn, MMU thng b Reset.6) Day traffic b loi : loi luong, chap chn.7) Port luong 2Mbps tren SMU b loi : loi luong, chap chn.8) Loi au nhay : loi luong, chap chn.9) Sau khi thay card, cac card trong 01 au khong thay nhau : vao setup

AM cua tng card, kiem tra thong soExpanded NCC, phai giong nhautrong 1 au; co the backplane AMM khong tiep xuc tot.

10) o BER : neu luong chap chn nhng khong tm ra loi, can loop 01 auva o BER au con lai, lam tng chan e xac nh oan b loi; cungdung phng phap nay e kiem tra cac luong thue.

11) Thieu thiet b d phong : can uyen chuyen e ieu chuyen tren manghoac thay the thiet b tng ng, can bao cho can bo phu trach cttbiet.

12) D phong cho thiet b d phong : mot so thiet b cu bao hanh nhieu lan,co kha nang h hong lai sau khi bao hanh, can mang theo t nhat 02 thiet

b cung loai e thay the trong qua trnh ctt.13) Loi tren OMC : neu a chan chan rang phan ngoai BSC a tot, th phai

nh CM kiem tra lai thiet b trong BSC, reset phan mem hoac oiluong, oi card khac, chu y en cac anh hng /v mang li.

14) Thng th cac loi b chap chn, khi co khi khong se kho x ly hn loi bh han; can xem log file tren NetMan, tra cac loi a tng x ly trc o,kiem tra that ky e tm nguyen nhan.

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