Description
Excel CST Armoured OM4 50/125µm loose tube fibre optic cable is designed for external and direct burial fibre installations where additional mechanical protection is required. The corrugated steel tape (CST) armour provides protection against impact, crushing and rodent damage, making it suitable for campus networks, duct installations, industrial sites and outdoor backbone links.
The cable construction uses a silica gel-filled loose tube containing up to 24 colour-coded 250µm multimode fibres, with E-glass yarn strength members and an LSZH outer sheath. It is supplied in OM4 50/125 multimode specification for high-bandwidth network applications including 10Gb, 40Gb and 100Gb Ethernet over supported distances.
Suitable for direct burial when installed with sand backfill.
Specification
| Number of Cores | 4, 6, 8, 12 or 24 |
| Type of tube | Loose tube |
| Fibre type | Multi mode 50/125 |
| Category | OM4 |
| Rodent resistant | Yes |
| Outer sheath material | Copolymer, thermoplastic (LSZH) |
| Outer sheath colour | Blue |
| Flame retardant according to IEC 60332-1-2 | Yes |
| Reaction-to-fire class according to EN 13501-6 | Eca |
| Outer diameter approx | 8.4mm |
| Tensile strength | 2000 N |
| Crush resistance | 3000 N/m |
| Torsion | ± 180 ⁰ |
| Temperature performance | Installation -30⁰C to +70⁰C Operation -30⁰C to +70⁰C Storage -30⁰C to +70⁰C |
| Loose tubes | Number 1 Material PBT |
| Loose tube ID/OD | 4-16 Cores 2.0/2.8 ± 0.1 mm 24 Cores 2.6/3.5 ± 0.1 mm |
| Peripheral strength member | Glass Yarn + WS Yarn |
| Armouring | Thickness 0.150 mm Material ECCS Tape |
| Outer sheath | Thickness 1.8 mm (Nominal) Material LSZH |
| Ripcord | Number 1 Material Polyester |
| Overall cable diameter | 4-16 Cores 8.4 ± 0.5 mm 24 Cores 9.2 ± 0.5 mm |
| Cable weight | 4-16 Cores 100.0 ± 10 kg/km 24 Cores 115 ± 10 kg/km |
| Bending radius | Short term 20 x Diameter Long term 10 x Diameter |
| Attenuation | @850nm ≤ 2.7 dB/km, @1300 nm ≤ 0.8 dB/km |
| Bandwidth | @850nm ≥ 3500MHz.km, @1300nm ≥ 500 MHz.km |
| Core diameter | 50 ± 2.5 µm |
| Core cladding concentricity error | ≤ 1µm |
| Cladding diameter | 125 ± 1 µm |
| Cladding non-circularity | ≤ 1 % |
| Coating diameter (coloured) | 250 ± 15 µm |
Downloads
| Datasheet | Download |
| Declaration of Performance | Download |
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