From
RJ-45
Signal Direction Signal To DB-9
3 GND GND Shell
4 TxD
RxD 2
5 RxD
TxD 3
6SG
SG 5
7 CTS
DTR 4
1 DSR
RTS 7
2 RTS
CTS 8
8 DTR
DSR 6
* Arrows indicate which direction the signal is flowing
NOTES:
● Altpin should be turned off when using this cable so that pin 1 becomes DSR instead of DCD.
This alternative can be used if DCD is not required, and DSR is needed instead.
● This cable utilizes the DTR signal of the terminal/printer for hardware flow control (RTS/CTS).
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