FTTH Iibiyaha indhaha (CT-2002C)
Dulmar
Alaabtani waa FTTH soo-dhoweeyaha indhaha, iyadoo la adeegsanayo helitaan muuqaal ah oo hooseeya iyo tignoolajiyada kontoroolka indhaha ee AGC, kaas oo dabooli kara baahiyaha fiber-to-guriga, waxaana loo isticmaali karaa iyadoo lala kaashanayo ONU ama EOC si loo gaaro ciyaar saddex-jibbaaran. Waxaa jira WDM, 1550nm CATV signal beddelka photoelectric iyo wax soo saarka RF, 1490/1310 nm PON signal si toos ah u dhex maraa, kaas oo la kulmi kara FTTH mid ka mid ah gudbinta fiber indhaha CATV + XPON. oo u hoggaansamaan deegaanka XGSPON,
Alaabtu qaab dhismeedkeedu waa isku dhafan yihiin, waana sahlan tahay in la rakibo, waana badeecad ku habboon in la dhiso shabakad FTTH ah oo fiilada TV-ga ah.
Muuqaal
> qolof caag ah oo tayadeedu sareyso oo leh qiime sare oo dab ah oo wanaagsan.
> Kanaalka RF buuxa GaAs wareegga cod-weyneeye hoose. Soo dhaweynta ugu yar ee calaamadaha dhijitaalka ah waa -18dBm, iyo soo dhaweynta ugu yar ee calaamadaha analoogga waa -15dBm.
> Xakamaynta AGC waa -2 ~ -14dBm, iyo wax soo saarku asal ahaan waxba iskama beddelin. (AGC kala duwan ayaa loo habeyn karaa iyadoo loo eegayo isticmaale).
> Naqshadaynta isticmaalka tamarta hoose, iyadoo la adeegsanayo wax-ku-oolnimada sare ee tamarta beddelka si loo hubiyo kalsoonida sare iyo xasilloonida sare ee sahayda. Isticmaalka awoodda mishiinka oo dhan ayaa ka yar 3W, oo leh wareegga ogaanshaha iftiinka.
> WDM-ku-dhisan, garwaaqso gelitaanka hal-fiber (1490/1310/1550nm) codsiga ciyaarta saddex-geesoodka ah.
> Xidhiidhiyaha indhaha ee SC/APC ama FC/APC, metric ama inch RF interface optional.
> Habka sahayda korontada ee 12V DC ee dekedda.
Tilmaamayaasha farsamada
| lambarka taxan | mashruuc | Halbeegyada waxqabadka | |
| Xuduudaha indhaha | |||
| 1 | Nooca laser | Photodiode | |
| 2 | Moodeelka Cod-weyneeye Korontada | MMIC | |
| 3 | galinta hirarka iftiinka iftiinka (nm) | 1310,1490,1550 | |
| 4 | dhererka hirarka TV-ga (nm) | 1550 ± 10 | |
| 5 | Hirarka iftiinka iftiinka (nm) | 1310, 1490 | |
| 6 | Go'doominta kanaalka (dB) | ≥ 40 (inta u dhaxaysa 1310/1490nm iyo 1550nm) | |
| 7 | galinta awooda indhaha (dBm) | -18 ~ +2 | |
| 8 | Luminta milicsiga indhaha (dB) | ：55 | |
| 9 | Qaab xiriiriyaha indhaha | SC/APC | |
| Halbeegyada RF | |||
| 1 | Qiyaasta soo noqnoqoshada soo noqnoqda RF (MHz) | 45-1002MHz | |
| 2 | heerka wax soo saarka (dBmV) | ＞20 Deked kasta oo wax soo saar leh ( gelinta indhaha: -12 ~ -2 dBm) | |
| 3 | flatness (dB) | ≤ ± 0.75 | |
| 4 | Khasaaraha Soo Celinta (dB) | ≥18dB | |
| 5 | Wax soo saarka RF impedance | 75Ω | |
| 6 | Tirada dekedaha wax soo saarka | 1 & 2 | |
| waxqabadka isku xirka | |||
| 1 |
77 NTSC / 59 PAL kanaalka analogga ah | CNR≥50 dB (0 dBm gelinta iftiinka) | |
| 2 | CNR≥49Db (-1 dBm gelinta iftiinka) | ||
| 3 | CNR≥48dB (-2 dBm gelinta iftiinka) | ||
| 4 | CSO ≥ 60 dB, CTB ≥ 60 dB | ||
| Tilmaamaha TV-ga Dijital ah | |||
| 1 | MER (dB) | ≥31 | -15dBm gelida awoodda indhaha |
| 2 | OMI (%) | 4.3 | |
| 3 | BER (dB) | <1.0E-9 | |
| kale | |||
| 1 | danab (AC/V) | 100 ~ 240 | |
| 2 | Korontada wax-soo-saarka (DC/V) | + 5V (FTTH galinta, wax soo saarka adabtarada) | |
| 3 | Heerkulka shaqada | -0℃~+40℃ | |
jaantuska jaantuska
Sawirka Alaabta
FAQ
FTTH Su'aalaha Inta Badan La Isweydiiyo
Q1. Waa maxay FTTH aqbalaha indhaha?
J: Qalabka indhaha ee FTTH waa aalad loo isticmaalo shabakadaha fiber-to-the-guriga (FTTH). Waxaa loogu talagalay inay ka hesho calaamadaha indhaha ee shabakadaha fiber optic oo ay u beddelaan calaamadaha korantada si loo sii wado.
Q2. Sidee buu FTTH u shaqeeyaa qaataha indhaha?
J: Soo dhawaynta indhaha ee FTTH waxay qabataa soo dhawaynta indhaha oo hooseeya iyo tignoolajiyada xakamaynta tooska ah ee indhaha (AGC). Tiknoolajiyada AGC waxay hubisaa in awoodda indhaha ee la helay ay ku sii jirto xad gaar ah iyada oo la hagaajinayo faa'iidada qaataha. Tani waxay hubinaysaa soo-dhoweynta calaamadaha la isku halayn karo iyo waxqabadka ugu wanaagsan.
Q3. Waa maxay faa'iidooyinka isticmaalka FTTH soo dhaweynta indhaha?
J: Isticmaalka FTTH soo dhawaynayaasha indhaha waxay u keenaysaa faa'iidooyin dhowr ah shabakadaha FTTH. Waxa ay awood u siinaysaa soo dhawaynta iyo beddelka calaamada fibre optic oo hufan, awood u siinaysa intarneet xawaarihiisu sarreeyo, TV-ga dhijitaalka ah oo tayadiisu sareyso, iyo adeegyo cod oo cad. Intaa waxaa dheer, waxaa lagu dari karaa Unugga Shabakadda Muuqaalka (ONU) ama Ethernet over Coax (EOC) oo loogu talagalay adeegyada saddex-ciyaar.
Q4. Waa maxay codsiyada FTTH qaataha indhaha?
J: Qalabka indhaha ee FTTH waxaa inta badan loo isticmaalaa shabakadaha FTTH si loogu xiro guryaha la deggan yahay ama ganacsiga leh kaabayaasha fiber optic. Waxay u shaqeysaa sidii aaladda dhamaadka ah oo qaada calaamadaha indhaha ee ku safraya fiilooyinka fiber optic waxayna u beddelaan calaamadaha korantada ee ku habboon adeegyada kala duwan, oo ay ku jiraan internetka, telefishanka, iyo codka.
Q5. Ma lagu isticmaali karaa soo-dhoweeyaha indhaha ee FTTH qalab kale?
J: Haa, FTTH soo dhawaynta indhaha waxa si wada jir ah loo isticmaali karaa ONU ama EOC si loo xaqiijiyo adeega ciyaarta saddex-geesoodka ah. ONU waxay u shaqeysaa sidii xudunta udub dhexaad u ah qaybinta Internetka, TV-ga iyo calaamadaha codka gudaha dhismaha, halka FTTH-ga qaatayaasha indhaha ay hubiyaan soo dhawaynta la isku halayn karo iyo wareejinta calaamadahan. Si wada jir ah, waxay taageereen isku xidhka aan kala go 'lahayn iyo adeegyada warbaahinta badan ee shabakadaha FTTH.
