
| Component | Material | Size / Specification |
| Central Strength Member | Steel wire or FRP | 2.0mm (steel wire) or customized |
| Loose Tube | PBT (polybutylene terephthalate) | 2.0mm, filled with waterproof gel |
| Optical Fiber | G.652D / G.657A1 / G.657A2 | 250um, 1-48 cores (custom up to 144) |
| Copper Power Conductor | Tinned copper wire, insulated | 1.5mm2, 2.5mm2, 4.0mm2 (customizable) |
| Water Blocking | Water-swellable tape + filling compound | Between tubes and in core gaps |
| Inner Sheath | PE (polyethylene) | Applied over PSP armor layer |
| Armor | Corrugated steel tape (PSP) | Double-sided plastic-coated |
| Outer Sheath | PE or LSZH | 1.8 +/- 0.2mm thickness |
| Model | Fiber Cores | Copper Wire | Cable OD (mm) | Weight (kg/km) | Tensile L/S (N) | Crush L/S (N/100mm) |
| GDTS-2-24Xn+2*1.5 | 4-24 | 2x1.5mm2 | 10.5 | 160 | 600/1500 | 300/1000 |
| GDTS-2-24Xn+2*2.5 | 4-24 | 2x2.5mm2 | 11.2 | 200 | 600/1500 | 300/1000 |
| GDTS-2-24Xn+2*4.0 | 4-24 | 2x4.0mm2 | 12.5 | 240 | 600/1500 | 300/1000 |
| GDTS-4-48Xn+2*2.5 | 24-48 | 2x2.5mm2 | 13.0 | 280 | 600/1500 | 300/1000 |
| GDTS-4-48Xn+4*2.5 | 24-48 | 4x2.5mm2 | 14.5 | 350 | 1000/3000 | 1000/3000 |
| Parameter | Value |
| Fiber Type | G.652D (standard) / G.657A1 / G.657A2 (bend-insensitive, on request) |
| Attenuation @ 1310nm | <= 0.36 dB/km (typical 0.34) |
| Attenuation @ 1550nm | <= 0.22 dB/km (typical 0.19) |
| Cutoff Wavelength | <= 1260 nm |
| Mode Field Diameter @ 1310nm | 9.2 +/- 0.4 um |
| PMD | <= 0.2 ps/sqrt(km) |
| Fiber Excess Length in Tube | 0.6 ~ 1.0% |
| Fiber Color Coding | Standard 12-color (IEC 60794-1-2) |
| Conductor Area (mm2) | Max DC Resistance @20C (ohm/km) | Insulation Resistance @20C (Mohm.km) | Insulation Strength (kV DC, 1 min) |
| 1.5 | 13.3 | >= 10000 | 5 |
| 2.5 | 7.89 | >= 10000 | 5 |
| 4.0 | 4.95 | >= 10000 | 5 |
| 6.0 | 3.30 | >= 10000 | 5 |
Parameter |
Value |
| Operating Temperature | -40 degC to +70 degC |
| Installation Temperature | -40 degC to +70 degC |
| Min. Bending Radius (dynamic) | 20 x cable OD |
| Min. Bending Radius (static) | 10 x cable OD |
| Max. Tensile Force (long-term) | 600 N (standard) / 1000 N (reinforced) |
| Max. Tensile Force (short-term) | 1500 N (standard) / 3000 N (reinforced) |
| Crush Resistance (long-term) | 300 N/100mm |
| Crush Resistance (short-term) | 1000 N/100mm |
| Water Penetration | No water penetration at 1m water column for 24h |
| Service Life | 25+ years |
| Standard / Certification | Description |
| YD/T 901 | Chinese communication industry standard for optical fiber cables |
| IEC 60794-3-10 | International standard for outdoor optical fiber cables |
| IEC 60228 | Conductors of insulated cables (copper conductor class 1/2) |
| ITU-T G.652D | Single-mode fiber standard (dispersion-unshifted, low water peak) |
| ISO 9001 | Quality management system certification |
| RoHS | Restriction of Hazardous Substances compliance |
| CE | European Conformity marking |
| SGS / TUV / BV | Third-party testing available on request |
| Number of Fiber | 12 Core | |
| Copper wire | customized | |
| Central strength member | Material | Steel wire or steel wire tight package |
| Size | ||
| Loose Tube | Material | PBT |
| Size | ||
| Armoring | Material | Rolled strip |
| Tube filling | Fiber Gel | |
| Outer Sheath | 1.8±0.2mm | |
| Operation Temperature(℃) | —40-+70 | |
| Installation Temperature(℃) | —40-+70 | |
| Conductor cross- sectional area(mm2) |
Maximum DC resistance of a single conductor(20 ℃) (Ω/km) |
Insulation resistance(20 ℃) (MΩ .km) |
Insulation compressive strength KV, DC 1 minute | ||
| Each insulated wire is connected to Between other metals connected in the cable |
Between the wires |
Wire and gold Armored tape |
Wire and Between the wires |
||
| 1.5 | 13.3 | ≥ 10000 | 5 | 5 | 3 |
| 2.5 | 7.89 | ||||
| 4 | 4.95 | ||||
| 5 | 3.88 | ||||
| 6 | 3.3 | ||||

