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Bow-type FTTH put in side with 2 KFRP, the optical fiber unit positioned in the centre. Two parallel strength member are placed at the two sides and have aramid yarn to protect the inside FTTH, ourside sheath is PE.
Cable construction details
| Items | Description | |
| Number of fiber | 2cores/4core | |
| Fiber type | G657A2 | |
| Strength member 1 | material | KFRP |
| diameter | 2*0.5mm | |
| Strength member 2 | material | FRP |
| diameter | 2*0.8mm | |
| Inner sheath | material | LSZH |
| diameter | 1.8±0.2mm | |
| Color | Black | |
| Outer sheath | material | PE |
| diameter | ≥1.0mm | |
| Color | Black | |
| Aramid yarn | Kevlar yarn | |
| Inside Cable size (Height * width) | 2.0(±0.1) mm × 3.0(±0.2)mm | |
| Whole Cable sheath | 6.5±0.2mm | |
| Cable weight | 32KG±1KG | |
6. Standard color of fiber and tube
The color of the individual fibers, shall be in accordance with the table as below:
| 2core Standard Colour Identification | ||
| No. | 1 | 2 |
| Color |  |
 |
| 4core Standard Colour Identification | |||||
| No. | 1 | 2 | 3 | 4 | |
| Color | |
|
 |
 |
|
7. Cable Mechanical characteristic
| Items | Description | |
| Installation Temperature range | -20–+60℃ | |
| Operation and transport temperature | -40-+70℃ | |
| Min Bending Radius(mm) | Long term | 15D |
| short term | 30D | |
| Allowable Tensile Strength(N) | Long term | |
