Optical Characteristics
| Parameter / Property | G.652.D | G.657
| 50/125μm | 62.5/125 |
| Attenuation @850nm | - | - | ≤3.5 dB/km | ≤3.5 dB/km |
| Attenuation @1300nm | - | - | ≤1.5 dB/km | ≤1.5 dB/km |
| Attenuation @1310nm | ≤0.40 dB/km | ≤0.36 dB/km | - | - |
| Attenuation @1550nm | ≤0.30 dB/km | ≤0.25 dB/km | - | - |
Technical Data
| Item | Contents | Value |
| Fibre Count | 1 | 2 | 2 |
| Tight buffer fibre | material | LSZH/PVC/TPEE |
| diameter (mm) | 0.90±0.05mm | 0.60±0.05mm |
| Armored tube | material | 200CU or 304 | 200CU or 304 | 200CU or 304 |
| diameter(mm) | 1.0(.D)/1.6(O.D)±0.1 | 2.2(I.D)/2.8(O.D)±0.1 | 1.6(I.D)/2.2(O.D)±0.1 |
| Strength member | material | Aramid yarn |
| Sheath | Thickness(mm) | 0.45±0.05 | 0.80±0.10 | 0.45±0.05 |
| Cable diameter(mm)Approx | 3.0(±0.1) | 4.8(±0.1) | 3.0(±0.1) |
| Cable weight(kg/km)Approx | 18 | 38 | 24 |
| Operating temperature range(℃) | -20~+70 |
| Tensile Strength Short/Long Term(N) | 200/100 | 400/200 | 200/100 |
| Crush resistance short/long term (N/100mm) | 5000/3000 |
Main Mechanical and Environmental Performances
| Item | Test Standard | Specified Value | Requirements |
| Tension | IEC 60794-1-2-E1 | See Technical data | Additional attenuation ≤ 0.4dB after test |
| Crush | IEC 60794-1-2-E3 | See Technical data | Additional attenuation ≤ 0.4dB after test |
| Impact | IEC 60794-1-2-E4 | R=300mm, 10Nm, one in 3 different places | Additional attenuation ≤ 0.4dB after test |
| Repeated Bending | IEC 60794-1-2-E6 | R=20*D | Additional attenuation ≤ 0.4dB after test |
| Temperature Cycling | IEC 60794-1-2-F1 | -20°C~+70°C | Attenuation change: ≤ 0.4dB/km after test |
