Argox CP-2240 - Rs-232 C

6 Specifications Interfaces
62
6.6.2 RS-232C
The RS-232C on the printer is DB9 female. It transmits data bit by bit in asynchronous
start-stop mode. The figure below shows its pinout.
Pin
Signal
Description
1
N/A
Shorted to Pin 6
2
RxD
Receive
3
TxD
Transmit
4
N/A
No Connection
5
GND
Ground
6
N/A
Shorted to Pin 1
7
RTS
Request to Send
8
CTS
Clear to Send
9
+5V
Reserved for KDU (keyboard device unit)
Note Pin 9 is reserved for KDU. Do not connect it if you are using a
computer as the host.
1
2
3
4
5
6
7
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