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2.1.5.2.
COM3 & COM4 Port
COM3 and COM4 are both available for AGS102 / AGS102T only.
RS-232 for AGS102:
Pin
Assignment
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
Ground
RS-232/422/485 for AGS102T:
Pin
RS-232
1
DCD
2
RX
3
TX
4
DTR
5
Ground
6
DSR
7
RTS
8
CTS
9
RI
AGS100/T & AGS102/T User Manual
(for AGS102 & AGS102T only)
Pin
6
7
8
9
Assignment
RS-422
RS-485
TX-
DATA-
TX+
DATA+
RX+
NC
RX-
NC
Ground
Ground
NC
NC
NC
NC
NC
NC
NC
NC
2
Hardware Configuration
1
➔
6
Assignment
DSR, Data set ready
RTS, Request to send
CTS, Clear to send
RI, Ring indicator
5
9
21
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