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CU HNH CI T THIT B U CUIM hnh kt ni dch vDch v InternetDch v Truyn hnh tng tDch v Truyn hnh s 1 chiuDch v Truyn hnh s 2 chiuM HNH KT NI DCH V INTERNET

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Bc 1: Nhn vin kinh doanh thc hin chn dch v cho khch hng trn BCCS + Nhn vin k thut thc hin th tc u ni tng i trn PM QLCT KT.Bc 2: H thng BCCS, QLCT KT truyn thng tin (account,gi cc, trm OLT, serial ONT, t v port thu bao) ti OSS.Bc 3: BCCS + QLCTKT truyn thng tin gi cc, account, serial ca thit b, trm OLT, t thu bao v port trn t thu bao OSS, OSS gn profile tng ng + serial ONTOSS truyn nhng thng tin ny sang FTP server to file xml, sau chuyn xung OLT.Sau khi ONT c u ni vt l ONT s t ng load thng tin cu hnh.Nhng thng tin cu hnh Wifi ca ngi s dng phi cu mannual.LUNG CU HNH T NG ONT DASANProfile cu hnh trn ONTTTCc trng hp s dngCch cm port trn ONTK hiu dch vCh portVLANPort 1Port 2Port 3Port 41InternetHHHHInternet (H)Routing352Internet + 1 STBHHHIIPTV (I)Bridge363Internet + 2 STBHHIIVoIP (V) s dng ATABridge3354Internet + 3 STBHIIIMultiscreen (M)Bridge25025Internet + 1 ATAHHHV6Internet + 2 ATAHHVV7Internet + 3 ATAHVVV8Internet + 1 STB + 1 ATAHHIV9Internet + 1 STB + 2 ATAHIVV10Internet + 2 STB + 1 ATAHIIV11Internet + 1 STB HybridHHHM12Internet + 2 STB HybridHHMM13Internet + 3 STB HybridHMMM14Internet + 1 STB Hybrid + 1 ATAHHMV15Internet + 2 STB Hybrid + 1 ATAHMMVHng dn nhn n ONT DASAN

Sau khi thc hin cu hnh t ng (u ni Vsmart thnh cng) kim tra li n tn hiu: n PON: sng xanh ONT v OLT bt tay thnh cng n Internet: sng xanh c dch v internet n CATV: sng xanh cng sut quang tn hiu truyn hnh mc -80 dBmCc bc cu hnh ONT DASANLoi cu hnhHng dnHnh nh minh haTruy cp ONT Vo 192.168.1.100; user/userCu hnh dch v InternetT ngCu hnh dch v IPTVT ngCu hnh VoIP (FXS)T ngCu hnh VoIP (ATA)T ng

Cc bc cu hnh ONT DASAN (tip)Loi cu hnhHng dnHnh nh minh haCu hnh dch v MultiscreenT ngCu hnh WifiVo Wireless LAN > SSID Settings

Kim tra li trng thi Wifi phi l ON. Nu OFF th chuyn sang ON

Cc bc cu hnh ONT ZTELoi cu hnhHng dnHnh nh minh haTruy cp ONT Vo 192.168.1.1; admin/adminCu hnh dch v InternetT ngCu hnh dch v IPTVT ngCu hnh VoIP (FXS)T ngCu hnh VoIP (ATA)T ng

Cc bc cu hnh ONT ZTE (tip)Loi cu hnhHng dnHnh nh minh haCu hnh dch v MultiscreenT ngCu hnh WifiVo Network > WLAN. Ch : chn knh Wifi Auto; Chn Transmitting Power (TX Power) 100%.

Cc bc cu hnh ONT ALULoi cu hnhHng dnHnh nh minh haTruy cp ONTVo 192.168.1.1; vtadmin/n0tPubl1cCu hnh dch v InternetI240WA: Vo Network > WAN- I241WS: Vo RGW > WAN

Cc bc cu hnh ONT ALU (tip)Loi cu hnhHng dnHnh nh minh haCu hnh dch v IPTVI241WS: vo Management, chuyn port cm vo ATA, STB v Bridge Mode.I240WA: vo Network > LAN, chuyn port cm vo ATA, STB v Bridge ModeCu hnh VoIP (ATA)

Cc bc cu hnh ONT ALU (tip)Loi cu hnhHng dnHnh nh minh haCu hnh VoIP (FXS)Vo mc RGW>>WAN chn dng VoIP nhn Edit

Cc bc cu hnh ONT ALU (tip)Loi cu hnhHng dnHnh nh minh haCu hnh WiFi- I240WA: Vo Network > Wifi- I241WS: Vo RGW > WLAN.

Gii thiu wifiAnten 3dBiAnten 3 dBi c ph tn hiu hnh qu to => cng sut phn b u ra xung quanh.Ph hp vi nh 1 tng c din tch hp v t vt che chn

Anten 5dBiC tn hiu pht mnh theo vung gc vi trc Anten.Anten 5 dBi c khong cch truyn sng xa hn Anten 3 dBi.Anten 5 dBi c kh nng m xuyn qua vt tt hn Anten 3 dBi.Ph hp vi nh c din tch rng, nh tng, nh c nhiu vt che chn.

Chiu di Anten 5dBi vs 3dBi

Tiu chun cng sut WIFIKhong thu tt - 60 dBm.Khong thu km < -60 v -80 dBm

Hng dn o kim WIFIBc 1:S dng in thoi chy h iu hnh Android (hoc IOS).Vo CH PLAY (in thoi Android) hoc Appstore (in thoi IOS).G tm kim phn mm Wifi Analyzer v ci t.Bc 2: Ci t phn mm

Bc 3: Bt phn mm v chn giao din Channel Rating tm chn Knh (channel) t b nhiu nht.Knh c cng nhiu du sao vng hin th th cng t b nhiu.

Bc 4:Tin hnh tt bt thit b t ng chn knh t nhiu nht.C th setup knh t nhiu nht bng cu hnh tay nh hnh bn.

Bc 5: o cng sut khong cch hay s dng.Nu cng sut o c < -50 dBm => Kim tra li v tr t wifi, cao, gc anten.Nu cng sut - 50 dBm ( t yu cu) => thc hin bc 6.

Bc 6: Tin hnh o kim khong cch xa nht.Khong cch xa nht 15~20m nu khng c chn:Nu cng sut Kim tra li v tr t thit b, gc anten.Nu cng sut o c - 75 dBm => Tin hnh nghim thu.Khong cch 10m nu c 01 tng chn:

Hng dn m rng vng ph WifiMc chp dng cho nh c mt sn ln mun ph sng Wifi n cc im xa ca nh.p dng cho nh nhiu tng mun ph sng Wifi ln tt c cc tng.

Nh 1 mt sn mt bng rngS dng trong cc cn nh c ng mng i m tng gia cc phng/tng.S dng cho nh c nhiu phng => mun m rng vng ph sang phng khc.

Nh ng nhiu tngMi access point ch ph sng tt cho 2 tng.Lp t Broadband Router/ONT khu vc cu thang gia 2 tng.

Qun cafe, vn phng

Cc li thng gp v cch khc phcKhng c tn hiu quang

Li t lng hoc t dy cp mng.Li Wifi yu, chp chn.

Cc li thng gp (tip)Li khng truy cp c website (404 not found)Li phn mmLi trnh duyt treo (Firefox, Chrome, IE)Li do proxy chn.Li h iu hnh, virus.Cng sut quang:-6dBm n 0dBm(@1550nm) M HNH TRUYN HNH TNG T

Mc RF vo tivi 65-75dBuV Suy hao b chia 1:4 (~7dB)TIU CHUN30U NI CHI TITDch v truyn hnh tng t

D knh truyn hnh (theo danh sch knh trong gi cc)Cht lng cc knh: hnh nh r nt (khng v, git), m thanh r, ng uM HNH TRUYN HNH S 1 CHIUMc RF vo STB 54-75dBuV (chun c: 47-75dBuV) Cht lng tn hiu: 33dB Suy hao b chia 1:4 (~7dB)TIU CHUNCng sut quang:-6dBm n 0dBm(@1550nm) 32u ni vt l chi titBc 1: Kt ni STB vi thit b thu quang hoc ONT

Bc 2: Kt ni t STB n TIVI thng qua HDMI

Chi tit cc cng kt ni ca Tivi

U NI VT LS u ni dch v truyn hnh s 1 chiu

D knh truyn hnh (theo danh sch knh trong gi cc)Cht lng cc knh: hnh nh r nt (khng v, git), m thanh r, ng uM HNH TRUYN HNH S 2 CHIUMc RF vo STB 54-75dBuV (chun c: 47-75dBuV) Cht lng tn hiu: 33dB Suy hao b chia 1:4 (~7dB)TIU CHUNM hnh u ni dch v truyn hnh s 2 chiu Cng sut quang:-6dBm n 0dBm(@1550nm) 36U NI CHI TITS u ni dch v truyn hnh s 2 chiu

B thu quang: chc nng chuyn i tn hiu quang thnh tn hiu in (RF) cho dch v truyn hnh.Cng sut quang u vo: -6dBm n 0dBm.Mc tn hiu RF u ra: 65-75dBuV (ti mc CS u vo -6dBm). C chit p iu chnh c mc RF u ra. Khi u vo thay i 1dBm CS quang th u ra thay i 2dBuV.C n ch th ngun, ch th mc cng sut quang u vo. Cc loi b thu quang Viettel ang s dng:Mossman (khng c WDM)FiberHome ( c 2 loi: c WDM, khng c WDM)B thu quang c tch hp trong ONT ca ZTE, Alcatel, DasanGhi ch: B thu quang c tch hp trong ONT khng c chit p iu chnh mc RF m phi iu khin t OLT

CHC NNG THIT B

CHC NNG THIT B B thu quang Mossman

CHC NNG THIT B B thu quang FiberHome

STB: L thit b gii m tn hiu truyn hnh dng cho dch v truyn hnh s (1 chiu, 2 chiu). STB c th gii m tn hiu tt th:Mc tn hiu u vo: 54-75dBuV (o ti cc tn s t 706Mhz tr ln)Cht lng tn hiu (Signal quality/ MER) .=33dBGiao din u vo ( kt ni ti b thu quang hoc u ra b chia).Giao din RF cp ng trc (cng F5): thu cc knh truyn hnhGiao din RJ45 cp mng: gi yu cu v nhn ni dung theo yu cu (phim, tivi xem li, tivi tua li..)Giao din u ra ( kt ni vi tivi):Giao din HDMI: truyn c c tn hiu phn gii SD v HDGiao din AV: ch truyn c tn hiu phn gii SDCc loi STB ang s dngOptentechKaonInspur

CHC NNG THIT B B chia RF: Chia tn hiu RF t u ra b thu quang thnh nhiu (4) u ra ni ti nhiu tivi, STB.Tn hiu sau khi qua b chia 4 suy hao ~7 dB (mc RF u ra = Mc RF u vo 7dB)B chia phi l loi c tn s ti thiu t 55-1000MHzGhi ch: khng s dng b chia sn c ca nh khch hng v thng thng b chia khng c kim sot v cht lng.

CHC NNG THIT B

Bc 1: o kim cng sut quang u vo b thu quang OR hoc ONT (tiu chun cng sut -3dBm ti bc sng 1550nm). Kim tra n ch th mc cng sut quang (n phi ch th mu Xanh sau khi u ni u vo quang v bt ngun). Bc 2: iu chnh v o (hoc kim tra) mc tn hiu RF vo tivi, STB. Tiu chun mc tn hiu RF vo tivi: 65-75dBuV; mc tn hiu vo STB: 54-75dBuV (tt nht 65-75dBuV).Bc 3: D knh tivi, cu hnh STB v update firmware STBBc 4: Kim tra dch v sau cu hnhBc 5: X l mt s li thng gp 3. CI T V O KIMo cng sut quang u vo o, kim tra mc tn hiu RF u raD knh tivi, update firmware STBKim tra cht lng dch vCu hnh b thu quang Optical ReceiverBc 1: o kim cng sut quang u vo m bo cht lng, cng sut quang u vo b thu phi m bo -3dBm, ti a 0dBm (mc quang ln hn 0dBm c th lm hng b thu). Dng my o cng sut GPON: cm u ni quang ( ni vo u vo b thu) vo u vo OLT ca my o. c kt qu trn my o ng vi bc sng 1550nm.

CC BC TRIN KHAI

Bc 2: Chnh mc tn hiu u RF ca b thu quang: i vi B thu Mossman: Vn ht c theo chiu kim ng h tng ng vi mc u ra RF l ln nht. Nu u vo quang l -3dBm th u ra RF ~80dBuV, c 1 dBm u vo thay i th tng ng vi u ra RF thay i 2dBuV.Vn ngc chiu kim ng h 1 vng tng ng gim ~2dBuViu chnh sao cho mc RF vo tivi analog ~ 65-75dBuV

GHI CH: I VI TRUYN HNH S 1 CHIU V 2 CHIU TH C TH DNG STB KIM TRA MC V CHT LNG TN HIU

CC BC TRIN KHAI

Tn hiu RF cp RG6Bc 2 (tip): Chnh mc tn hiu u RF ca b thu quang: i vi B thu Fiberhome c WDM : Vn ht c theo chiu kim ng h tng ng vi mc u ra RF l ln nht. Nu u vo quang l -3dBm th u ra RF ~80dBuV, c 1 dBm u vo thay i th tng ng vi u ra RF thay i 2dBuV.Vn ngc chiu kim ng h 1 vng tng ng gim ~2dBuViu chnh sao cho mc RF vo tivi analog ~ 65-75dBuV

Ghi ch: Ring b thu Fiberhome loi khng c WDM: vn ht c theo ngc chiu kim ng h tng ng vi gi tr RF u ra l ln nht.CC BC TRIN KHAI

Tn hiu RF cp RG6Bc 2 (tip): Chnh mc tn hiu u RF ca ONT: Mc tn hiu RF u ra ONT c ci t t xa thng qua vic iu khin OLT l 70dBuV.Mc RF u ra ONT c t chun theo yu cu. Ch khi c trng hp bt thng gy nh hng ti cht lng dch v th phi phi hp vi NOC IP/BRC ca khu vc phi hp iu chnh.

CC BC TRIN KHAI

Bc 3: D knh tivi. Tham kho hng dn d knh cho mt s loi tivi ph bin, mt s ch khi d knh:Kim tra chc chn mc tn hiu RF u vo tivi trong ngng cho phpt tivi ch t ng chn h hoc PAL D/K Cc bc chun: Menu ci t (setup) t ng d (auto search)

CC BC TRIN KHAI

CU HNH STB V UPDATE FIRWARE

Bc 3 (tip): Cu hnh STBCU HNH STB V UPDATE FIRWARE

Bc 3 (tip): Cu hnh STBCU HNH STB V UPDATE FIRWARE

Bc 3 (tip): Cu hnh STBKIM TRA NGHIM THUBc 4: Kim tra cht lng dch v sau khi cu hnhTH tng t:Kim tra 60 knh theo danh schHnh nh r nt, khng c nhiu, vn; m thanh rTH s 1 chiu:Kim tra knh theo danh schKim tra mc (54-75dBuV), cht lng tn hiu (> 33dB)ca tt c cc tn s trn STBHnh nh r nt, khng git, v hnh. KIM TRA NGHIM THU (2)Bc 4 (tip): Kim tra cht lng dch v sau khi cu hnhTH s 2 chiu:Kim tra knh theo danh schKim tra mc (54-75dBuV), cht lng tn hiu (> 33dB)ca tt c cc tn s trn STBHnh nh r nt, khng git, v hnh.Kim tra STB nhn c IP.Kim tra cc tnh nng ca truyn hnh s 2 chiu nh Rp phim, VoD, Tivi xem v tua li Kim tra nghim thuBc 4 (tip): Kim tra IP c cp cho STB

Bm t hp phm 148631232580-ch VT trn iu khin.Di IP c dng 100.x.x.x hoc 10.x.x.x.Bm Test Connection tr v Success th T, STB nhn c ng IP.Nu cha nhn c IP (trng IP address: 0.0.0.0 hoc test connection fail) Gi NOC KV yu cu kim tra xem vlan 2502, Profile khai ng trn Metro, OLT cha.

Cht lng tn hiu truyn hnh km:Nu cc thu bao khc cng trm BRC c cht lng tt th kim tra cc ni dung sau:o mc cng sut u vo b thu -6dBm.Mc tn hiu RF nm trong di yu cu (65-75dBuV i vi TH tng t, 54-75dBuV i vi TH s)m bo tn hiu RF khng ni qua mng c sn ca nh khch hng (c dng b chia, b khuch i, l cm m tng b r r do m thp, u ni RF cht lng km).Thay th thit b u cui (Recceiver, STB).TV ca khch hng c th hng hp knh STB khng xem c mt s knh:+ Tn hiu khng t tiu chun+ Cha u ni BCCS hoc cha ng k mua cc gi knh.+ u ni qua b chia, khuch i nh khch hng c bng tn ch ti 870MHz hoc c cht lng km.

X L MT S LI THNG GPLi khng xem c tt c cc knhHin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnHnh ngLI KHNG XEM C TT C CC KNHMn hnh b mui chm en trng hoc mn hnh xanhX Jack kt ni tivi lngCm li jack cho KH Cp kt ni t TBC n tivi t, u kt ni b li KH s dng jack cm tivi m tng lu ngy b hngThay th cp hoc jack tivi cho KHOKX n ngun TBC Optical Receiver/WDM/ONT khng sng => cha cm ngun thit b hoc thit b liCm li ngun thit b, nu thit b li thc hin thay th n ch th quang tt => u kt ni quang b lngCm li u kt ni quangn ch th quang tt => t kt ni quang hoc kt ni quang qu yu.Kim tra li tuyn cpMn hnh hin th 7 mu khng c logo i truyn hnhKhng cn kim traKhng c tn hiu t cc i truyn hnh n Viettel thc hin pht li.NOC truyn hnh

Li khng xem c 1 s knhLI KHNG XEM C MT S KNHMn hnh hin th sc 7 mu c logo ca i truyn hnhKhng cn kim traChng trnh hin ti khng pht ti thi gian ny (thng xy ra vo cc bui m).Hng dn khch hng xem li knh dng gi pht sng.Mn hnh hin th sc 7 mu khng c logo ca i truyn hnhKhng cn kim traKhng c tn hiu t cc i truyn hnh n Viettel thc hin pht li.Lin h vi NOC truyn hnh c h tr.Mn hnh xanh (tivi i mi) hoc b mui si chm trng en (tivi i c) Cc knh khc xem bnh thngKhng cn kim traLi trm Viettel (Sub-HeadEnd) khng pht c tn hiu cc knh xung tivi KHNOC truyn hnhLI KHNG KNHKhch hng khng d c mt s knh so vi trong cam kt vi Viettel (v d KH ch d c 40/60 knh m Viettel cung cp)X Do ln d trc di tn y ang gp li Do tivi KH i c khng h tr di tn d cc knh b mt ny theo quy hoch ca ViettelThc hin d li knh, nu khng c thc hin kim tra knh trn mt tivi khc gii thch cho KH.

Hin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnHnh ngLI HNH NH

Hnh nh b nhiu, m hnh, nhiu tuytX Jack kt ni tivi lngCm li jack cho KH Cp kt ni t TBC n tivi h, xc. u kt ni b li. KH s dng jack cm tivi m tng lu ngy b hngThay th cp hoc jack tivi cho KH, u kt ni.OKOKXCng sut quang nm ngoi di quy nh-6dBm 0dBmNu cng sut thu quang > 0 dBm => Lin h KT khu vc iu chnh.Nu cng sut thu quang < -6dBm => Bm li u fast connector v kim tra li tuyn cp n nh KH.OKOKOKXMc tn hiu truyn hnh RF qu thp.Tng mc tn hiu truyn hnh (RF).Khng cn kim traLi h thng SHE hoc ngun tn hiu pht.NOC truyn hnh.Li hnh nh b nhiu vn, k sc ngang/dc, x hnhOKOKOKXDo mc tn hiu truyn hnh (RF) vo tivi qu cao.Gim mc tn hiu truyn hnh (RF).

Hin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnHnh ng

Li bng hnh (bng hnh logo)OKOKXDo u ni connector, b chia, jack cm m tng khng ng quy cchu ni li connector, b chia v jack cm m tng cho ng quy chun, khng gy suy hao ln.OKOKOKOKNu xy ra trn cc KH ti cng 1 trm => Li h thng nh trm Viettel (Sub-Headend).NOC truyn hnh.Li git hnh

Li tn hiu c vch ngang lin tc ht mn hnh

Li mn hnh en/ hoc knh c dng mnh che ph

Hnh nh xut hin bng m hoc nh an xen ca knh khcOKOKXCng sut quang nm ngoi di quy nh-6dBm 0dBm.Nu cng sut thu quang > 0 dBm => Lin h KT khu vc iu chnh.Nu cng sut thu quang < -6dBm => Bm li u fast connector v kim tra li tuyn cp n nh KH.OKOKOKXMc tn hiu truyn hnh RF nm ngoi ngng thu ca tivi.Thc hin tng hoc gim mc tn hiu truyn hnh.Khng cn kim traNu xy ra trn nhiu KH ti cng 1 trm hoc cng 1 khu vc a l => C th do tn hiu gc hoc li module iu ch trn SubHE (tn truyn hnh s nhiu sang truyn hnh analog (mc chnh lnh Do li iu ch t h thng SubHENOC truyn hnhKhng cn kim traXC th do tivi ca KH khng h tr h ting m Viettel pht (thng xy ra vi loi tivi nhp ngoi hng ni a sau khi v Vit Nam c iu chnh h ting => li).NVKT n kim tra tivi KH

Hin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnHnh ngLi khng update c FW cho STBHin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnX l

Li khng update c Firmware cho Hybrid Set Top BoxXu kt ni F5 trn Optical Receiver/WDM/ONT hoc STB b lng Cm li u F5 cho chc chn.- Cp kt ni t STB n Optical Receiver/WDM/ONT b t hoc xc.- Jack kt ni F5 b hng.Thay cp kt ni RG6 hoc u F5 khc cho KHOKX n ngun TBC Optical Receiver/WDM/ONT khng sng => cha cm ngun thit b hoc thit b li- Cm li ngun in cho thit b- Nu khng c thay thit b khc cho KH n ch th quang tt => u kt ni quang b lngCm li u kt ni quangn ch th quang tt => t kt ni quang hoc kt ni quang qu yu.Kim tra li tuyn cp cho KHOKOKXCng sut quang nm ngoi di quy nh-6dBm 0dBmNu cng sut thu quang > 0 dBm => Lin h KT khu vc iu chnh.Nu cng sut thu quang < -6dBm => Bm li u fast connector v kim tra li tuyn cp n nh KH.OKOKOKXMc tn hiu truyn hnh RF qu cao hoc qu thp (nm ngoi ngng thu ca STB.)iu chnh mc tn hiu truyn hnh (RF)Khng cn kim traNu xy ra vi nhiu KH trn cng 1 trm CBR hoc khu vc a l=> Li di tn update FW ( 706MHz)NOC truyn hnh

Li v hnh

Li v hnhXu kt ni F5 trn Optical Receiver/WDM/ONT hoc STB b lng Cm li u F5- Cp kt ni t STB n Optical Receiver/WDM/ONT b t hoc xc.- Jack kt ni F5 b hng.- Do li jack kt ni v dy kt ni m tng ti nh KH.Thay cp kt ni RG6 hoc u F5 khc cho KHOKOKXCng sut quang nm ngoi di quy nh-6dBm 0dBmNu cng sut thu quang > 0 dBm => Lin h KT khu vc iu chnh.Nu cng sut thu quang < -6dBm => Bm li u fast connector v kim tra li tuyn cp n nh KH.OKOKOKXMc tn hiu truyn hnh RF qu cao hoc qu thp (nm ngoi ngng thu ca STB.)iu chnh mc tn hiu truyn hnh (RF)Khng cn kim traDo h thng ngun tn hiu t cc i TH cp cho Viettel b li (Xy ra trn nhiu KH trong mt khu vc a l).NOC truyn hnh

Hin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnX lLi en hnhOKOKXCng sut quang nm ngoi di quy nh-6dBm 0dBmNu cng sut thu quang > 0 dBm => Lin h KT khu vc iu chnh.Nu cng sut thu quang < -6dBm => Bm li u fast connector v kim tra li tuyn cp n nh KH.OKOKOKXMc tn hiu truyn hnh RF qu cao hoc qu thp (nm ngoi ngng thu ca STB.)iu chnh mc tn hiu truyn hnh (RF)Khng cn kim traNu en hnh mt s knh => Do STB cha nhn c bn tin kch hot knh m haXem knh b en trong thi gian 15 20 phtKhng cn kim traNu xy ra trn nhiu KH ti cng khu vc a l hoc cng 1 trm => Do cu hnh SubHE cha ng (thiu lung)NOC truyn hnhOKOKOKOKXLi t STBThay STB khc cho KH

Li git hnhOKOKXCng sut quang nm ngoi di quy nh-6dBm 0dBmNu cng sut thu quang > 0 dBm => Lin h KT khu vc iu chnh.Nu cng sut thu quang < -6dBm => Bm li u fast connector v kim tra li tuyn cp n nh KH.OKOKOKXMc tn hiu truyn hnh RF qu cao hoc qu thp (nm ngoi ngng thu ca STB.)iu chnh mc tn hiu truyn hnh (RF)Khng cn kim traNu xy ra trn nhiu KH trong mt khu vc a l => Do li t SHE hoc ngun tn hiu t i truyn hnh. (nhiu t tn hiu truyn hnh analog tc ng vo tn hiu truyn hnh s - mc chnh lnh truyn hnh analog v truyn hnh s t 6-7dB).NOC truyn hnh

Hin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnX lM LI PH BIN T SET TOP BOX

W10000

Li tn hiu vo STB yu hoc mt tn hiuX- Cp kt ni t STB n Optical Receiver/WDM/ONT b t hoc xc.- Jack kt ni F5 b lng hoc hng.Cm li u F5 cho chc chn.- Jack kt ni F5 b hng.- Cp kt ni t STB n Optical Receiver/WDM/ONT b t hoc xc.- Cm li u F5 cho chc chn- Bm li u F5, u Tivi, thay li cp RG6OKXn ch th quang tt => t kt ni quang hoc kt ni quang qu yu.Kim tra li tuyn cp cho KHOKOKOKXMc tn hiu truyn hnh RF qu cao hoc qu thp (nm ngoi ngng thu ca STB.)iu chnh mc tn hiu truyn hnh (RF)Khng cn kim traNu xy ra tt c cc knh => Li t h thng SHENOC truyn hnhOKOKOKOKXNu xy ra mt s di knh (cc knh khc vn xem bnh thng) => Li STBThay STB khc cho KH

Hin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnX lM LI PH BIN T SET TOP BOX

W10000

Li tn hiu vo STB yu hoc mt tn hiuX- Cp kt ni t STB n Optical Receiver/WDM/ONT b t hoc xc.- Jack kt ni F5 b lng hoc hng.Cm li u F5 cho chc chn.- Jack kt ni F5 b hng.- Cp kt ni t STB n Optical Receiver/WDM/ONT b t hoc xc.- Cm li u F5 cho chc chn- Bm li u F5, u Tivi, thay li cp RG6OKXn ch th quang tt => t kt ni quang hoc kt ni quang qu yu.Kim tra li tuyn cp cho KHOKOKOKXMc tn hiu truyn hnh RF qu cao hoc qu thp (nm ngoi ngng thu ca STB.)iu chnh mc tn hiu truyn hnh (RF)Khng cn kim traNu xy ra tt c cc knh => Li t h thng SHENOC truyn hnhOKOKOKOKXNu xy ra mt s di knh (cc knh khc vn xem bnh thng) => Li STBThay STB khc cho KH

Hin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnX l

W0001Khng cn kim traSTB ang ch Hybrid (i vi truyn hnh s 1 chiu)n phm sau trn iu khin: 148631232580 (ch VT trn bn phm)1. Chn Ci t c bn.2. Chn ch DBV-C. Khng cn kim tra Khng c thng tin ti knh hoc banner ny hin th Do STB khng nhn c thng tin hin th cho MenuNOC truyn hnh

W10001Khng cn kim traSTB ang ci t sai Bouquet ID (khc gi tr mc nh l 1)n phm sau trn iu khin: 148631232580(ch VT trn bn phm)1. Chn Ci t c bn.2. Thay i gi tr trong mc Bouquet ID l 1.Khng cn kim traLi tn hiu t Mux hoc SubHeadend dn ti STB khng nhn c Bouquet IDNOC truyn hnh

Hin tngBc 1Bc 2Bc 3Bc 4Bc 5Nguyn nhnX lX l li Truyn hnh s 2 chiuCc trng hp li v cch x l trn truyn hnh s 2 chiu cng tng t nh trn truyn hnh s 1 chiu.Lu : M li W0001 th truyn hnh s 2 chiu khc bit so vi truyn hnh s 1 chiu.

M LI PH BIN T SET TOP BOXW0001

Li STB khng nhn c a ch IP (cc knh truyn hnh vn xem bnh thng)OKOKOKOKOKXt cp LAN hoc li u RJ45Thc hin thay cp LAN hoc u kt ni RJ45OKOKOKOKOKXCm sai cng LANThc hin cm ng cng LAN tng ng c quy nh chy dch v Multiscreen (thng l cng LAN 4)Khng cn kim traKt ni gia ONU v mng core cha thng nn khng ly c a ch IP cho STB Lin h NOC khu vc kim tra kt niHin tngBc 1Bc 2Bc 3Bc 4Bc 5Bc 6Nguyn nhnX l

Khng s dng b chia, b khuch i sn c ca khch hng v:Thng thng khng h tr ti tn s 1GHz.B khuch i km cht lng gy nhiu lm suy gim cht lng tn hiu.

Khng s dng cc u ni RF sn c ca nh khch hng do u ni cht lng km khng m bo cht lng, khng cht (d b lng, tut khi cp).

CH KHI U NI TI NH KHCH HNG

Tiu chun:u fast connector:Tng suy hao ca 2 u fast connector v cp thu bao: 1,5 dB.Kt ni vt l gia cp v u FCchc chn, khng lng leo.u F5 v Jack tivi: - Phn xp cch in bao ph li ng yu cu phi cao bng mt trong u f5 v li ng cao hn mt trn 2mm. - Kt ni vt l chc chn gia cp v connetor.THI CNG U F5

Ni cp ng trc: Phi dng u ni chuyn dng F5-F5, khng ni trc tip

u ni connector

U NI CP

PHNG PHP 1: DNG MY O RFPHNG PHP 2: DNG CHC NNG O MC CA STBDng iu khin t xa ca STB v bm chui phm 147456369 (hnh ch H trn bn phm s)Sau khi bm chui phm trn u thu s hin th giao din:(hnh nh)Chn: dignostic control Show channels info

KIM TRA MC TN HIU RF PHNG PHP 2: DNG CHC NNG O MC CA STB (tip)Gc tri, pha trn gc tri mn hnh s hin th cc thng tin lin quan n tn hiu thu, ch n 3 tham s:Frequency: tn s knh ang oRF Level: l mc tn hiu RF ti u vo STB ti tn s trn.MER: l mc phm cht tn hiu ti tn s trn.Ch s RF level hin th trn mn hnh l mc tn hiu s, tn hiu truyn hnh tng t s c cng thm 6dB.V d: Mc trn u thu ch 60dB, th mc Analog ti s bng 66dB

KIM TRA MC TN HIU RF