I-China ephezulu ye-3 evuthelwa ngumoya i-micro fiber optic cable, i-GL ineminyaka engaphezu kwe-17 yamava, Namhlanje, siya kwazisa i-specal fibre optic cable SFU (Iyunithi yeFayibha eSmooth ).
I-Smooth Fiber Unit (SFU) iqukethe i-bundle ye-bend radius ephantsi, i-waterpeak ye-G.657.A1 i-fibers, ifakwe kwi-acrylate layer eyomileyo kwaye ikhuselwe yi-polyethylene yangaphandle egudileyo, encinci, ukwenzela ukusetyenziswa kwinethiwekhi yokufikelela.Ukufakela: ukuvuthela kwii-microducts ze-3.5mm.okanye 4.0mm.(i-diameter yangaphakathi).
1. Ngokubanzi
1.1 Le nkcazo igubungela iimfuno zobonelelo lweentambo ze-single-mode optical fiber cables.
1.2 I-single mode optical fibre cable ithobelana neemfuno zolu khankaso kwaye ngokubanzi idibana nayo nayiphi na i-ITU-T Recommendation yakutshanje efanelekileyo G.657A1
2. Iimpawu zeFayibha
2.1 G.657A
2.1.1 Iimpawu zejometri
Iinkcukacha zoBugcisa:
| Ukuthotywa (dB/km) | @1310nm | ≤0.34dB/km |
|
| @1383nm | ≤0.32dB/km |
|
| @1550nm | ≤0.20dB/km |
|
| @1625nm | ≤0.24dB/km |
| Ukusasazwa | @1550nm | ≤18ps/(nm.km) |
| @1625nm | ≤22ps/(nm.km) | |
| Zero-Dispersion wavelength | 1302-1322nm | |
| Zero-Dispersion ithambeka | 0.089ps(nm2.km) | |
| Idayamitha yendawo yendlela @1310nm | 8.6±0.4um | |
| Imowudi yentsimi yedayamitha @1550nm | 9.8±0.8um | |
| PMD Max.ixabiso lefiber kwi-reelIxabiso elikhulu eliyilwe kwikhonkco | 0.2ps/km 1/20.08ps/km 1/2 | |
| Ubude bobude bekhebhile, λcc | ≤1260nm | |
| Iimpawu zeJometri | ||
| Idayamitha yokugquma | 124.8±0.7 um | |
| Ukugquma okungeyo-circularity | ≤0.7% | |
| Imposiso yeNqanaba eNqabileyo/Yokugquma | ≤0.5um | |
| Idayimitha yeFayibha enetyali (uncolored) | 245±5um | |
| Imposiso yoxinaniso yokugquma/yokugquma | ≤12.0um | |
| Curl | ≥4m | |
| Iimpawu zoomatshini | ||
| Uvavanyo lobungqina | ≥0.69Gpa | |
| Ukulahleka kwe-Macro-bend kwi-1550nm Ø20mm, 1 ukujika | ≤0.25dB | |
| Ø30mm,10 ukujika | ≤0.75dB | |
| Ukulahleka kwe-Macro-bend kwi-1625nm Ø20mm, 1 ukujika | ≤1.5 dB | |
| Ø30mm,10turn | ≤1.0dB | |
| Iimpawu zokusingqongileyo @1310nm kunye 1550nm | ||
| Ukuthotywa kweqondo lobushushu (-60℃~+85℃) | ≤0.05dB | |
| Ubushushu obomileyo indeced attenuation (85℃±2℃,RH85%,30 iintsuku) | ≤0.05dB | |
| Untywiliselo lwamanzi indeced attenuation (23℃±2℃,iintsuku ezingama-30) | ≤0.05dB | |
| Ubushushu obumanzi buyeke ukuthomalalisa (85℃±2℃，RH85%,30dyas) | ≤0.05dB/km | |
3 Intambo yeFayibha ye-Optical
3.1 Icandelo elinqamlezayo
| IFayibha optic | Uhlobo | Imowudi enye G657A1 2-12 |
| Ububanzi bentambo | mm | 1.1-1.2 |
| Ubunzima bentambo | (kg/km) | 2.2±20% |
| Ubomi bonke | iminyaka | ≥ 25 |
| Vumela Amandla Okuqina | Ixesha elide : | 20N |
| Amandla okutyumza | Ixesha elifutshane: | 100N/100mm |
| Min Ukugoba raduis | Ukusebenza | 20 OD |
| Ukubeka | 15 OD | |
| Uluhlu lobushushu | Ukubeka | -10～+60 ℃ |
| Uthutho & nokusebenza | -20～+70 ℃ |
3.3 Intsebenzo
| NO | INTO | INDLELA YOVAVANYO | INGCACISO |
| 1 | Ukusebenza kokuqina IEC60794-1-21-E1 | -Umthwalo wexesha elifutshane:20N - Ixesha: 5 umzuzu | Ilahleko utshintsho £ 0,10 dB@1550 nm(emva kovavanyo)-Uxinzelelo lweFayibha £0.60%- Akukho monakalo wesingxobo |
| 2 | Uvavanyo lokutyumza IEC60794-1-21-E3 | - Umthwalo: 100 N / 100mm- Ixesha: 5 umzuzu- Ubude: 100 mm | Ilahleko utshintsho £ 0,10 dB@1550 nm(ngexesha lovavanyo)- Akukho monakalo wesingxobo |
| 3 | Ukugoba okuphindaphindiweyo IEC60794-1-21-E6 | - Iradiyasi yokugoba.: 20 × D- Umthwalo: 25N-Ireyithi yokuguquguquka: 2sec/umjikelo- Inani lomjikelo: 25 | - Akukho kuqhawuka ifayibha- Akukho monakalo wesingxobo |
| 4 | Ukungena kwamanzi IEC60794-1-22-F5 | - Ukuphakama kwamanzi: 1m- Ubude besampuli: 3 m- Ixesha: 24 hr | - Akukho ukuthontsiza ngokusebenzisa indibano core cable |
| 5 | Jija IEC60794-1-21-E7 | - Ubude: 1 m- Umthwalo: 40N- Izinga lokujija: ≤60sec/umjikelo- I-engile yokujija: ±180°- Inani lomjikelo: 5 | Ilahleko utshintsho £ 0,10 dB@1550 nm(ngexesha lovavanyo)- Akukho monakalo wesingxobo |
| 6 | Ubushushu Ukukhwela ibhayisekile IEC60794-1-22-F1 | -Inqanaba lobushushu:+20oC→-20oC→+70oC→+20oC- Inani lomjikelo: 2 ujika- Ixesha kwinyathelo ngalinye: 12 iiyure | - Ilahleko utshintsho £ 0.15dB/km@1550 nm(ngexesha lovavanyo)- Ilahleko utshintsho £ 0.05dB/km@1550 nm(emva kovavanyo)- Akukho monakalo wesingxobo |
4. Ukumakishwa kwesingxobo
5,Iphakheji kunye neGubhu
Iintambo zipakishwe kwibhokisi, zibhijelwe kwi-Bakelite kunye negubu leplanga elifunxiweyo.Ngexesha lokuthutha, izixhobo ezifanelekileyo kufuneka zisetyenziswe ukuphepha ukonakalisa iphakheji kunye nokuphatha ngokulula.Iintambo kufuneka zikhuselwe kumswakama;igcinwe kude nobushushu obuphezulu kunye neentlantsi zomlilo;ikhuselwe ekugobeni nasekutyunyuzweni;ukhuselwe kuxinzelelo lomatshini kunye nomonakalo.
Ukupakisha ubude: 2000-5000m / reel.
