► Ulusi wamitundu
► Chiwalo cholimba cha modulus (chodzisamalira)
► Zipangizo zogwirira ntchito bwino
► Zingwe zonse zamkati ndi zakunja
► Yoyenera kugwera mumlengalenga
► Kutha kuthetsedwa pamalopo
► Zosavuta kuchotsa, ndi kulumikiza, kukhazikitsa ndi kukonza kosavuta
► Ulusi wocheperako umapereka bandwidth yayikulu komanso mphamvu yabwino kwambiri yotumizira mauthenga

Mtundu: ITU-T G.657A
| Zofunikira | Muyeso wakunja (mm) | Kuthamanga kwakukulu] | le load (N) | Kusaphwanyika kosagwira (N/10cm) | |
| M'masiku ochepa patsogolo | Kwa nthawi yayitali | M'masiku ochepa patsogolo | Kwa nthawi yayitali | ||
| GJXH(V)-l/2/4 | 2.0×3.0 | 120 | 60 | 2200 | 1000 |
| GJXFH(V)-l/2/4 | 80 | 40 | 1000 | 500 | |
| GJXDH-4 | 2.0×4.0 | 200 | 100 | 2200 | 1000 |
| GJXFDH-4 | 80 | 40 | 1000 | 500 | |
| GJYXCH-1/2/4 GJYXFCH-1/2/4 | 2.0×3.0 - 5.3 | 600 | 300 | 2200 | 1000 |
| GJYXDCH-4 GJYXFDCH-4 | 2.0×4.0 - 6.3 | ||||
Zipangizo: LSZH, ndi zina zotero.
| Kugwira ntchito | Mayendedwe ndi Kusungirako | Kukhazikitsa |
| -20~+60 °C | -20~+60°C | -10~+50°C |
Ndemanga: Mitengo yonse pamwambapa ikhoza kusinthidwa