Umphakeli wezintambo ezincane ze-fiber optic zase-China eziphezulu ezi-3 ezishaywa umoya, i-GL inesipiliyoni seminyaka engaphezu kwe-17, Namuhla, sizokwethula ikhebula le-fiber optic elikhethekile i-SFU (I-Smooth Fiber Unit ).
I-Smooth Fiber Unit (SFU) iqukethe inqwaba yerediyasi egobile ephansi, engenawo amafayili e-waterpeak G.657.A1, embozwe ungqimba lwe-acrylate eyomile futhi evikelwe i-polyethylene yangaphandle ebushelelezi, enezimbambo kancane, ukuze isetshenziswe kunethiwekhi yokufinyelela.Ukufakwa: kuphephezela kuma-microducts angu-3.5mm.noma 4.0mm.(ububanzi bangaphakathi).
1. Okujwayelekile
1.1 Lokhu kucaciswa kuhlanganisa izidingo zokuhlinzekwa kwezintambo ze-fiber optical zemodi eyodwa.
1.2 Intambo ye-fiber optical yemodi eyodwa ithobelana nezimfuneko zalokhu kucaciswa futhi ngokuvamile ihlangabezana nanoma yisiphi iSincomo se-ITU-T sakamuva esifanele G.657A1
2. Izici ze-Fiber
2.1 G.657A
2.1.1 Izici zeJiyomethri
Idatha Yezobuchwepheshe:
| Ukunciphisa (dB/km) | @1310nm | ≤0.34dB/km |
|
| @1383nm | ≤0.32dB/km |
|
| @1550nm | ≤0.20dB/km |
|
| @1625nm | ≤0.24dB/km |
| Ukuhlakazeka | @1550nm | ≤18ps/(nm.km) |
| @1625nm | ≤22ps/(nm.km) | |
| I-Zero-Dispersion wavelength | 1302-1322nm | |
| I-Zero-Dispersion slope | 0.089ps(nm2.km) | |
| Ububanzi benkambu yemodi @1310nm | 8.6±0.4um | |
| Ububanzi benkambu yemodi @1550nm | 9.8±0.8um | |
| I-PMD Max.value yefayibha ku-reelInani elidizayinelwe i-Max | 0.2ps/km 1/20.08ps/km 1/2 | |
| Ubude beza beza bekhebula, λcc | ≤1260nm | |
| Izici Zejiyomethri | ||
| I-diameter yokugqoka | 124.8±0.7 um | |
| I-Cladding non-circularity | ≤0.7% | |
| Iphutha le-Core/Cladding Concentricity | ≤0.5um | |
| I-fiber diameter ene-coating (uncolored) | 245±5um | |
| Iphutha le-Cladding/Coating concentricity | ≤12.0um | |
| I-Curl | ≥4m | |
| Izici zemishini | ||
| Ukuhlolwa kobufakazi | ≥0.69Gpa | |
| Ukulahleka kwe-Macro-bend ku-1550nm Ø20mm,1 ukujika | ≤0.25dB | |
| Ø30mm, 10 ukujika | ≤0.75dB | |
| Ukulahleka kwe-Macro-bend ku-1625nm Ø20mm,1 ukujika | ≤1.5 dB | |
| Ø30mm,10turn | ≤1.0dB | |
| Izici zemvelo @1310nm; 1550nm | ||
| Ukunciphisa izinga lokushisa (-60℃~+85℃) | ≤0.05dB | |
| Ukushisa okomile kwe-indeced attenuation (85 ℃ ± 2 ℃, RH85%, izinsuku ezingu-30) | ≤0.05dB | |
| Ukucwiliswa kwamanzi ukuncishiswa kwe-indeced (23℃±2℃,izinsuku ezingama-30) | ≤0.05dB | |
| Ukushisa okumanzi ukuncishiswa kwe-indeced (85 ℃ ± 2 ℃, RH85%, 30dyas) | ≤0.05dB/km | |
3 Ikhebula le-Optical Fiber
3.1 Isigaba sesiphambano
| I-Fiber optic | Uhlobo | Imodi eyodwa G657A1 2-12 |
| Ububanzi bekhebula | mm | 1.1-1.2 |
| Isisindo sekhebula | (kg/km) | 2.2±20% |
| Ukuphila konke | iminyaka | ≥ 25 |
| Vumela Amandla E-Tensile | Isikhati eside : | 20N |
| Crush amandla | Isikhathi esifushane: | 100N/100mm |
| I-Min Bending raduis | Ukusebenza | 20 OD |
| Ukubeka | 15 OD | |
| Izinga lokushisa | Ukubeka | -10+60 ℃ |
| Ukuthutha nokusebenza | -20+70 ℃ |
3.3 Ukusebenza
| NO | INTO | INDLELA YOKUHLOLA | INKCAZO |
| 1 | Ukusebenza okuqinile I-IEC60794-1-21-E1 | -Umthwalo wesikhathi esifushane:20N - Isikhathi: imizuzu emi-5 | Ushintsho lokulahlekelwa ngu-£0.10 dB@1550 nm(ngemuva kokuhlolwa)- I-Fiber strain £ 0.60%- Akukho umonakalo emgodleni |
| 2 | Crush test I-IEC60794-1-21-E3 | - Umthwalo: 100 N / 100mm- Isikhathi: imizuzu emi-5- Ubude: 100 mm | Ushintsho lokulahlekelwa ngu-£0.10 dB@1550 nm(ngesikhathi sokuhlolwa)- Akukho umonakalo emgodleni |
| 3 | Ukugoba okuphindaphindiwe I-IEC60794-1-21-E6 | - Irediyasi yokugoba.: 20 × D- Umthwalo: 25N- Izinga lokuguquguquka: 2sec/umjikelezo- Inombolo yomjikelezo: 25 | - Akukho fibre break- Akukho umonakalo emgodleni |
| 4 | Ukungena kwamanzi I-IEC60794-1-22-F5 | - Ukuphakama kwamanzi: 1m- Ubude besampula: 3 m- Isikhathi: 24 hr | - Akukho ukuconsa ngokuhlanganiswa kwe-cable core |
| 5 | Phendula I-IEC60794-1-21-E7 | - Ubude: 1 m- Umthwalo: 40N- Isilinganiso sokusonta: ≤60sec/umjikelezo- I-engeli yokusonta: ±180°- Inombolo yomjikelezo: 5 | Ushintsho lokulahlekelwa ngu-£0.10 dB@1550 nm(ngesikhathi sokuhlolwa)- Akukho umonakalo emgodleni |
| 6 | Izinga lokushisa Ukuhamba ngebhayisikili I-IEC60794-1-22-F1 | - Isinyathelo sezinga lokushisa:+20oC→-20oC→+70oC→+20oC- Inombolo yomjikelezo: ukuphenduka oku-2- Isikhathi ngesinyathelo ngasinye: amahora ayi-12 | - Ukushintsha kokulahlekelwa £ 0.15dB/km@1550 nm(ngesikhathi sokuhlolwa)- Ukushintsha kokulahlekelwa £ 0.05dB/km@1550 nm(ngemuva kokuhlolwa)- Akukho umonakalo emgodleni |
4. Ukumaka emgodleni
5,Iphakheji Nesigubhu
Izintambo zipakishwe ekhathoni, ziboshwe ku-Bakelite & Fumigated sokhuni sigubhu.Ngesikhathi sokuthutha, amathuluzi afanele kufanele asetshenziselwe ukugwema ukulimaza iphakheji nokuphatha kalula.Amakhebula kufanele avikelwe kumswakama;igcinwe kude nezinga lokushisa eliphezulu kanye nezinhlansi zomlilo;ivikelwe ekugobeni nokuchotshozwa;ivikelwe ekucindezelekeni komshini kanye nokulimala.
Ubude bokupakisha: 2000-5000m/reel.
