Westermo MX-69 - Manual (Page 3)

5 6119-2001
Tx
Rx
Interface 1
The signal ground (SG) is connected to pin:
4, 7, 10, 13, 14, 17, 20, 23
Channel 1–4
Rx
Tx
Channel 5–8
Channel 1–4
Channel 5–8
Rx
Tx
Tx
Rx
MX-69 2 x MX-61
Line connection
Direction Pin Description
In 2 TxD channel 1
Out 15 RxD channel 1
In 3 TxD channel 2
Out 16 RxD channel 2
In 5 TxD channel 3
Out 18 RxD channel 3
In 6 TxD channel 4
Out 19 RxD channel 4
In 8 TxD channel 5
Out 21 RxD channel 5
In 9 TxD channel 6
Out 22 RxD channel 6
In 11 TxD channel 7
Out 24 RxD channel 7
In 12 TxD channel 8
Out 25 RxD channel 8
Power budget
Fibre (820nm) Power budget
50/125
mm
3.7 dB
62,5/125
mm
7.5 dB
200
mm PCS
18 dB
Attenuation in fibre cable
The values below can differ depending on
quality and manufacturer of the fibre-optic
cable.
Typical attenuation
in connectors
0.2–0.4 dB
Typical attenuation in splice
Svetsad 0.1 dB
Mekanisk 0.2 dB
Fibre Attenuation at 820nm
50/125 µm 3.0 dB/km
62.5/125 µm 3.5 dB/km