97
DS440IS
7.2.4
Optical fibre adapter - RS232 (FO-232)
The optic signal is transferred to RS232 by means of an adapter of the "FORT FIBRE OTTICHE
MOD. TR60" type.
DANGER
Do not use other types of adapter as this would fail to comply with the document describing the
system.
DANGER
Adapter FO-232 must be installed in a safe zone.
Key
1
25-pin male or female connector RS232
2
TX RX Signal reversing jumbers (in the figure, on the rear side)
3
Transmitter
4
Receiver
Figure 7.4 - Adapter FO-232
Adapter FO-232 is powered by the control lines of RS232.
If faults occur, check to make sure that at least one of the pins 6, 8 and 20 (25-pin connector) is up.
Consult the relative instruction manual for further information about the adapter.