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COM1~4 Pin Assignment
Pin
RS232
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
-
2.3
LED Indicators
The iDS contains three LED indicators.
LED In
LED Indicators
PWR
RUN
Ethernet
Programmable Device Server User Manual (V1.1, Mar. 2020)
RS422
RS485
TXD-
Data-
TXD+
Data+
RXD+
-
RXD-
-
GND
GND
-
-
-
-
-
-
-
-
Table 2-1
DIP Switch (COM1~4 Mode)
COM1
M1
M0
RS232
ON
OFF
RS422
OFF
ON
RS485
OFF
OFF
Software
ON
ON
Color
Red
Green
Green
Ethernet Cable is connecting
DIP Switch
Meaning
Power is on
OS is running
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