Westermo ODW-632 User Manual
Page 17
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Location of Interface ports, LED’s and DIP-switches
Position Direction* Description
Product
marking
1
In
Common voltage
COM
2
In
Voltage A
+VA
3
In
Voltage B
+VB
4
In
Common voltage
COM
Power
screw terminal
LED Indicators(for details see page 22)
Position Direction* Description
Product
marking
1
NO
Contact with C
when fibre optical
links are in opera-
tion
NO
2
C
Common
C
3
NC
Open (no contact
with C) when fibre
optical links are in
operation
NC
Status
screw terminal
ODW-632
Position Direction*
Description
Product
marking
1
In
R+ (EIA RS-485 A’)
R+
2
In
R– (EIA RS-485 B’)
R–
3
In/Out
T+ (EIA RS-485 A)
T/R+
4
In/Out
T– (EIA RS-485 B)
T/R–
RS-422/485
screw terminal
* Direction relative this unit
FX(Fibre)
(for details
see page 20)
DIP-switches accessible under lid
(for details see page 23-25)