Pin

PinNameDirectionDTEDCEDescription

AshieldCable shield

BGNDSignal ground

CRTS>Signal active during transmission from router

DCTS chn 3. IR rate -> chn tc cn ci. Lu mi khi thay i bt k thng s no ta phi thc hin lu (phm c ch Save) ri mi bm phm ESC quay tr ra vo menu khc. Nu modem dng tc boot li m khng c th phi thay card.

Vi AM7000 trng hp phi np li d liu t my tnh (v d tnh hung hng card iu khin PMX phi thay th card khc) th phi m bo my tnh dng Download (np li d liu ln AM7000) c d liu c update mi nht. Trc khi kt ni qua ANMP phi gn li IP cho card mi qua console bng lnh: ipnetwork set hostaddr dia_chi_IPKINH NGHIM X L CC S C LIN QUAN N KNH LEASEDLINE

Cc bc tin hnh:

Khi tip nhn thng tin cn xc nh r:

Tn, a ch v loi dch v(MegaWAN/Leasedline:VDC;VTN, ni tnh), chng loi modem, in thoi ca ngi ph trch pha KH.

Tnh trng hng: mt Line, mt thu, mt pht, down ng. xc nh tnh trng hng ta c th nh KH cho bit cc ch th LED trn thit b

- Ngoi tr trng hp mt line (t, chp cp) -> tnh trng hng: down ng th tin hnh x l nh sau: Trc ht yu cu KH tt ngun cp cho Modem v Router (c 2 u), i khong ti thiu 15 pht sau th bt li ngun theo trnh t bt modem trc i khi modem bt tay nhau xong th mi bt router. Trng hp ng cha thng m KH kt ni i lien tnh (qua VTN) hoc dch v Internet trc tip (VDC) th thc hin loop trn MUX (nu c th) hoc hng dn KH thc hin Loop cng trn modem v y/c VTN hoc VDC soi ng nu thy loop l phn kt ni ni ht ca ta tt, trch nhim x l tip tr v cho VTN hoc VDC. Trng hp l ng ni ht hoc xc inh phn ni ht vn cha thng ta xc nh xem tuyn kt ni ca knh i nh no: VD knh i qua nhng MUX no, kh nng MUX c b li khng (iu ny theo kinh nghim thc t) v x l theo nguyn tc phn on kim tra. S dng my o o ng, kt qu cui cng phi l o OK cho ton tuyn. Khi nim ton tuyn hiu nh sau: Vi ng truyn ni ht th phi o tt t im cui n im cui ca KH. Vi ng truyn qua VTN hoc VDC th phi o tt t im cui ca KH ti HP n cng kt ni sang VTN hoc VDC ti HP. n 99% nu o ton tuyn tt m kt ni vn khng thng th li thuc v mng trong ca KH (Router, cp LAN, my tnh .) Trng hp ny c th ngh KH thay sang cng Router khc hoc thay li cp V35 (cm t modem vo Router). Thc t ghi nhn c tnh hung ng o tt nhng vn do modem.

CCH S DNG MY O EDT-135 O LUNG E1 V GIAO DIN V35

Sau khi thc hin loop ta s dng my o o ng truyn. u ni cp o (cp V35 hoc cp G703 gia cng cn o vi my o) ri thc hin theo cc bc sau:

Bc 1: Bm nt On bt ngun cho my Sauk hi khi ng xong my s hin th cc menu trn mn hnh. Mi menu s tng ng vi v tr phm nh s tng ng t s1 n s6.

Bc 2: Bm nt s1 chn Menu. S dng phm mi tn ln, xung, tri, phi di chuyn v thay i thng s trn mn hnh LCD ca my o. Trong mn hnh ny ta chn:

ModeRX/TX

InterfaceChn giao din cn o l G703/V11 hoc V35.

FramingCh thay i c khi chn giao din o l G703. Ta chn OFF nu o tc full 2M, chn PCM31 nu tc o bm tip s6 chn Menu3 -> bm tip s6 chn Run l chy chng trnh o. i kt qu hin th: OK l ng truyn tt; No clock l khng tm c clock ng b; All1 hoc All0 l h ng; Slip l mt ng b clock; Bit error l li ng truyn (c th do cp xu, ln TS hoc li cng MUX, li cng modem).

+ Nu o G703: Cc ch o:

ModeRX/TX

InterfaceG.703

Line codeHDB3

FramingPCM31

Termination75/120ohm

Tx Clk srcchn From Rx (bm nt s3)

V.11 slotOFF

Rx slotsBm nt s5 chn nx64 chn ts cn o. Ts c chn s c nn ph mu en. Nt clear l loi ts ra khi danh sch cn o, nt select l chn ts o. Sau khi chn xong ts bm s6 (Return)

bm tip s6 chn Menu2 -> bm tip s6 chn menu3 -> bm tip s6 chn Run chy chng trnh o.

THC HNH KHAI BO CU HNH MODEM, AM7000 V S DNG MY O EDT-135:

DANH MC TI LIU BN GIAO

1CC GIAO DIN V CCH LOOP

2MT S CHNG LOI MODEM LEASED LINE V CCH CU HNH

3CCH CU HNH MT S MODEM QUA KT NI IU KHIN COM S DNG HYPERTERMINAL CA WINDOWS:

6MT S LNH DNG KHAI BO TRN MUX H MECURY 800/3600

8NHNG LU KHI KHO ST CHO MT KNH MI DCH V LEASEDLINE

8KINH NGHM X L CC S C LIN QUAN N MUX

9KINH NGHIM X L CC S C LIN QUAN N KNH LEASEDLINE

10CCH S DNG MY O EDT-135 O LUNG E1 V GIAO DIN V35

11THC HNH KHAI BO CU HNH MODEM, AM7000 V S DNG MY O EDT-135

CC MC LIN QUAN KHC:

Ti liu cu hnh mng TSL hin ti ca mng TSL - Vin thng HP (file Viso v 01 trang in)

Ti liu cu hnh E1 v u cho ca cc nt AM7000 hin hnh.

D liu mng cp thu bao TSL (file excel).

01 my di ng nghip v s 0913527841 (Hng nh gi)

01 chm kho t ng vt t (Hng nh gi).

Ngi bn giao

Ngi nhn bn giao

Trn Thanh Song

Hng Anh

Phng KTNV Trung tm I

T trng t bng rng Trung tm I

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