Westermo LD-63 HV - Manual (Page 9)

9 6072-2005
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
Fibre
Attenuation
at 820 nm
Attenuation
at 1300 nm
Attenuation
at single mode (1300 nm)
Attenuation in fibre cable
The values below can differ depending on quality and manufacturer of the fibre-optic
cable.
Attenuation in connectors
0.2–0.4 dB
Attenuation in splice
Fusion 0.1 dB
Mechanical 0.2 dB
50/125 16.6 dB 14.6 dB
62,5/125 18.6 dB 15.1 dB
100/140 25.9 dB
9/125 12.3 dB
Unit
820 nm 1300 nm single mode
Min. budget Typ. budget
Power budget
”Min. budget” states the minimum guaranteed power budget. Experience shows however that the
typical value is in the range of the indicated ”Typ. budget”.
Fibre Fibre
50/125 10.7 dB 8.1 dB
62,5/125 14.5 dB 11.6 dB
100/140 20.6 dB
9/125 6.3 dB
Unit
820 nm 1300 nm single mode