lines 10kv and 35kv, PE outer sheath is applied
· FOR power lines 110kV and 220KV, AT outer sheath is applied
· The dedicate design of aramid quantity and stranding process can satisfy the demand on various spans
Fiber style | Unit | SM G652D | SM G657A1 | SM G657A2 | ||
Condition | nm | 1310/1550 | 1310/1550 | 1310/1550 | ||
Attenuation | dB/km | ≤0.36/0.23 | ≤0.35/0.21 | ≤0.35/0.21 | ||
Dispersion | 1310nm | Ps/(nm*km) | ≤18 | ≤18 | ≤18 | |
1550nm | Ps/(nm*km) | ≤22 | ≤22 | ≤22 | ||
Zero dispersion wavelength | nm | 1312±10 | 1312±10 | 1300-1324 | ||
Zero dispersion slope | ps/(nm²×Km) | ≤0.091 | ≤0.090 | ≤0.092 | ||
PMD Maximum Individual Fiber | [ps/√km] | ≤0.2 | ≤0.2 | ≤0.2 | ||
PMD Design Link Value | ps/(nm²×Km) | ≤0.08 | ≤0.08 | ≤0.08 | ||
Fiber cutoff wavelength λc | nm | >=1180,≤1330 | >=1180,≤1330 | >=1180,≤1330 | ||
Cable cutoff wavelength λcc | nm | ≤1260 | .... | .... | ||
MFD | 1310nm | um | 9.2±0.4 | 9.0±0.4 | 9.8±0.4 | |
1550nm | um | 10.4±0.8 | 10.1±0.5 | 9.8±0.5 |