Westermo IDW-90 - Manual (Page 8)

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2-pin
screw
terminal
LED’s LED driver
RS-232
Drivers
and
protection
Drivers
and
protection
RS-485
9-pin
screw
terminal
I/O
Output
ARM7
Processor
V34 Single
Chip Modem
ISDN
Controller
Isolated Power supply
ISDN S
0
Network
Interface
RJ-45
DIP
switches
9-pos
D-Sub
I/O Input
Functional description