Westermo MA-66 - Manual (Page 4)

10 6066-2001
Attenuation in fibre cable
The values below can differ depending on quality and manufacturer
of the fibre-optic cable.
Fibre Attenuation Attenuation Attenuation
at 820 nm at 1300 nm at single mode (1300 nm)
50/125 µm 3.0 dB/km 1.0 dB/km
62.5/125 µm 3.5 dB/km 1.2 dB/km
100/140 µm 4.0 dB/km
9/125 µm 0.5 dB/km
Typical attenuation
in connectors
0.2-0.4 dB
Typical attenuation
in splice
Fusion 0.1 dB
Mechanical 0.2 dB
Fibre 820 nm 1300 nm Single mode
Min. values Min. value Min. value
50/125 µm 10.7 dB
62.5/125 µm 14.5 dB 11.6 dB
100/140 µm 20 dB
9/125 µm 6.3 dB
Fibre 820 nm 1300 nm Single mode
Typ. values Typ. value Typ. value
50/125 µm
62.5/125 µm
18.6 dB 15.1 dB
100/140 µm
9/125 µm
12.3 dB
Power budget