Technical data SM-fibers
Single-mode fiber E9/125
Geometrical and mechanical properties
| Technical data | G.652.D Standard | G.657.A1 Bend-insensitive fibre |
|
|---|---|---|---|
| Type of fibre | E9/125 | E9/125 | |
| OS2 | A1 | ||
| Specification | ITU-T G.652.D | G.657.A1 | |
| Field diameter. μm | at 1310 nm | 9,2±0,6 | 9,0±0,5 |
| at 1550 nm | not specified | 10,0±0,5 | |
| Cladding diameter μm | 125±1 | 125±0,7 | |
| Fibre diameter μm | uncolored | not specified | 245±10 |
| Concentricity deviation between field and cooating μm | ≤ 0,6 | ≤ 0,5 | |
| Roundness deviation coating % | ≤ 1,0 | ≤ 0,7 |
The specified values apply to fibers in a completed cable.
These are the relevant values for the network operator.
Please do not confuse them with the information provided by the fiber manufacturer.
Optical properties
| Technical data | G.652.D Standard | G.657.A1 Bend-insensitive fibre |
||
|---|---|---|---|---|
| Type of fibre | E9/125 | E9/125 | ||
| OS2 | A1 | |||
| Attenuation dB/km | 100% measured and guaranteed | at 1310 nm | ≤ 0,36 | ≤ 0,36 |
| Values acc. to fibre manufacturer | at 1383 nm | ≤ 0,34 | ≤ 0,36 | |
| Values acc. to fibre manufacturer | at 1490 nm | ≤ 0,25 | ≤ 0,27 | |
| 100% measured and guaranteed | at 1550 nm | ≤ 0,22 | ≤ 0,21 | |
| Values acc. to fibre manufacturer | at 1625 nm | not specified | ≤ 0,23 | |
| Chromatic dispersion ps/[nm x km] | at 1285 ... 1330 nm | ≤ 3,5 | ≤ 3,5 | |
| at 1383 nm | nicht spezifiziert | |||
| at 1550 nm | not specified | ≤ 18 | ||
| PMD ps/√km (fibre in cable) | Values acc. to fibre manufacturer | at 1550 nm | not specified | ≤ 0,2 |
