Westermo MD-63 B - Manual (Page 7)

13 6071-2022
Minimum guaranteed budget single mode, 9/125µm fibre
7
6
5
4
3
2
1
0
0 500 1000 1500 2000 2500 3000 3500 4000 4500
20 bits
preamble
10 bits
preamble
1 bit
preamble 2 bits
preamble
Power budget (dBm)
Transmission speed (kbit/s)
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
Attenuation in fibre cable
The values below can differ depending on quality and manufacturer of the fibre-optic
cable.
Attenuation in connectors Attenuation in splice
0.2-0.4 dB Fusion 0.1 dB
Mecanical 0.2 dB