Westermo ODW-620-F1 - Manual (Page 8)

8 6651-22621
Point-to-point communication via fibre optical network
The serial data is transferred via a fibre optic network between two ODW-620-F1.
This application is useful e.g. for long distance communication, where electromagnetic
interference may occur or when isolation of the electrical network is needed.
The maximum optical fibre distance between two units depends on selected fibre
transceiver and fibre type.
Note! The Bi-di transceivers must always be used in pair, see example:
TX 1310 nm RX 1310 nm
RX 1550 nm TX 1550 nm
POWER CH 1
COM +VA +VB COM
POWER CH 1
COM +VA +VB COM TX RX TX RX
Fibre optical connection
at point-to-point communication
POWER CH 1
COM +VA +VB COM
POWER CH 1
COM +VA +VB COM TX/
RX
TX/
RX
Fibre optical connection
at point-to-point communication (Bi-di transceiver)
Bi-di transceiver, TX 1310 nm,
RX 1550 nm. Bi-di transceiver, TX 1550 nm,
RX 1310 nm.