GYTA 12B1.3+6B4
1 coding system recognises this code
YD/T 908 (China, optical fibre)
| Symbol | Meaning |
|---|---|
GY | Outdoor cable (YD/T 908 class) |
- | No letter: metallic central strength member |
T | Jelly-filled loose tubes stranded round the central member (as makers describe T) |
A | Aluminium-plastic bonded sheath (aluminium tape under the jacket) |
- | No jacket letter: polyethylene (PE) jacket |
12B1.3+6B4 | 12 fibres B1.3 (single-mode (G.652)) + 6 fibres B4 (single-mode, non-zero dispersion shifted (G.655)) |