The BlueStorm GYFTS armored direct-buried fiber cable is a loose-tube, gel-filled outdoor cable available in 24-core and 48-core builds supplied on 2,000 m or 4,000 m drums. It uses a non-metallic G-FRP central strength member with corrugated steel-tape armor and a black PE oversheath for reliable moisture-proofing, mechanical protection and lightning immunity. The tubes carry single-mode (G.652D) or multimode (OM1-OM4) fibers, making it suitable for duct, direct-buried and aerial distribution.

Key features

• Full cross-section water-blocking with longitudinal double-sided steel-tape armor for reliable moisture and water protection
• Non-metallic G-FRP central strength member avoids lightning-induced breakdown between the strength member and steel tape
• Gel-filled loose tubes and accurate fiber excess length protect the fibers and give stable mechanical and temperature performance
• Good UV-radiation and moisture resistance with a black PE oversheath for outdoor exposure
• Available in 24- and 48-core builds on 2 km or 4 km drums (priced per metre)
• Strict manufacturing enables a service life of over 30 years

Specifications

• Cable type: GYFTS armored direct-buried loose-tube fiber cable
• Core count (this product): 24-core and 48-core
• Fiber count range: 2 to 144 fibers
• Fiber type: Single-mode G.652D; multimode 62.5/125 or 50/125 (OM1/OM2/OM3/OM4)
• Max. fibers per tube: 6 to 12
• Loose tube: 2.25 mm OD, PBT
• Central strength member: Non-metallic G-FRP
• Armor: Corrugated steel tape, 0.23 mm, double-sided coated
• Water blocking: Full cross-section water-blocking compound
• Outer sheath: PE, nominal 1.5 mm, black
• Cable outer diameter: 11.7 - 13.0 mm
• Attenuation: ≤0.36 dB/km at 1310 nm; ≤0.22 dB/km at 1550 nm
• Cut-off wavelength (λcc): ≤1260 nm
• Zero-dispersion wavelength: 1300 - 1324 nm
• Chromatic dispersion: ≤3.5 (1310 nm); ≤18 (1550 nm); ≤22 ps/nm·km (1625 nm)
• Operating temperature: -40°C to +60°C (install -20°C to +60°C; storage/transport -50°C to +70°C)
• Fiber colour code: Blue, orange, green, brown, slate, natural, red, black, yellow, violet, pink, aqua
• Drum lengths: 2000 m or 4000 m
• Part numbers: BSF-SM-24C-11.7MM-2000M / -4000M; BSF-SM-48C-11.7MM-2000M / -4000M

Applications

• Outdoor distribution networks
• Aerial pipeline laying
• Long-distance and local area network (LAN) communication
• Duct and direct-buried installations
• Junction communication systems