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English
3. Layout, Connections & LED's
3.1 Layout
1x Serial 9 Pin D-SUB Connector
3.2 Connections & LED's
DB 9M (RS-232):
DB 9M (RS-422 & RS-485 4-wire):
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Status LED
Reset Button
PoE LED
TXD LED
RXD LED
5V DC Connector for
included Power Supply
Serial 9 Pin D-SUB Connector (RS-232)
Pin
Signal
1
DCD
2
RXD
3
TXD
Serial 9 Pin D-SUB Connector (RS-422 & RS-485 4-wire)
Pin
Signal
1
TXD-
2
TXD+
3
RXD+
Pin
Signal
4
DTR
5
GROUND
6
DSR
Pin
Signal
4
RXD-
5
GROUND
6
NC
16
EX-6121
Power/ACT LED
RJ45 Port
Pin
Signal
7
RTS
8
CTS
9
(Power)
Pin
Signal
7
NC
8
NC
9
(Power)
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