Westermo ODW-730-F1 - Manual (Page 10)

10 6651-2241
Functional description
OVP Over Voltage Protection
OCP Over Current Protection
Converter serial interface – optical fibre
ODW-730 is a fibre optic modem that converts between electrical RS-485 and a fibre
optical link.
ODW-730 can also be used to convert from RS-485 to RS-232 by using a ODW-730 in
the same link as ODW-720.
Repeater – optical fibre links
ODW-730 is a fibre optic repeater that repeats received data from one fibre link out to
the other link. This is useful e.g. for long distance communication, where electromagnetic
interference may occur or when isolation of the electrical network is needed. The maxi-
mum optical fibre distance depends on selected fibre transceiver and fibre type. Distances
up to 80 km (50 miles) are available.
STATUS
C
NO
NC
LED’s Switches
CH 1
SFP
Fibre transceiver
TX
RX
Internal
Electronics
ODW-730
COM
COM
+VA O
V
P
+VB
POWER
T/R -
T/R+
RS -485
R -
R+
+5V 0V
+5V 0V
O
C
P
O
V
P