A 24-fiber, dielectric-armored single-mode central-tube fiber-optic cable for outdoor duct installation.
This all-dielectric outdoor cable (A-DQ(ZN)B2Y) is designed for installation in ducts and conduits. Twenty-four SMF-28e+® fibers (ITU-T G.652.D) sit in a single 3.0 mm central tube, surrounded by laminated water-swellable glass-yarn armoring for rodent resistance and a water-swellable tape, under a black HDPE jacket. The cable has a 7 mm outer diameter, 1500 N/10 cm crush resistance and a maximum installation tensile strength of 2000 N. Maximum attenuation is 0.36 dB/km at 1310 and 1383 nm and 0.22 dB/km at 1550 nm.
How this product lines up against others in Fiber Cables.
| Fibre mode | Single-mode OS2 | Single-mode OS2 | Single-mode OS2 |
| Fibre count | 24 fibers | 24 fibers | 4 fibers |
| Fibre standard | ITU-T G.652.D | ITU-T G.652.D, ITU-T G.657.A1 | ITU-T G.652.D |
| Maximum attenuation | 1310 nm · 0.36 dB/km, 1383 nm · 0.36 dB/km, 1550 nm · 0.22 dB/km | 1310 nm · 0.34 dB/km, 1383 nm · 0.34 dB/km, 1550 nm · 0.2 dB/km | 1310 nm · 0.36 dB/km, 1383 nm · 0.36 dB/km, 1550 nm · 0.22 dB/km |
| Cable construction | Central loose tube | Central loose tube | Central loose tube |
| Armouring | Dielectric (glass yarn) | Dielectric (glass yarn) | Dielectric (glass yarn) |
| Water blocking | — | Gel-filled | Gel-filled |
| Colour | Black | Black | Black |
| Storage temperature | -40 to 70 °C | -40 to 70 °C | -25 to 70 °C |
| Cable environment | Outdoor | Indoor/Outdoor | Indoor/Outdoor |
| Routing method | Duct or conduit | Duct or conduit | Duct or conduit, Riser |
| Outer jacket material | PE | LSZH/FRNC | LSZH/FRNC |
| Reaction to fire (CPR class) | — | Dca | — |
| CPR additional classes | — | s1a, d0, a1 | — |
| Maximum pulling tension | 2000 N | 1500 N | 1000 N |
| Crush resistance | 1500 N/10 cm | 1000 N/10 cm | 1500 N/10 cm |
| Minimum bend radius, installation | 140 mm | 114 mm | 130 mm |
| Minimum bend radius, operation | 70 mm | 57 mm | 100 mm |
| Installation temperature | -5 to 50 °C | -5 to 50 °C | -5 to 50 °C |
| Outer diameter | 7 mm | 5.7 mm | 6.6 mm |
| Weight per kilometre | 44.5 kg/km | 42.5 kg/km | 46 kg/km |
| Maximum length per drum | 6000 m | 6000 m | 6000 m |
| Operating temperature | -30 to 70 °C | -40 to 70 °C | -20 to 60 °C |
| Specification group | — | — | passive |
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