DB-9 Signal Direction Signal To DB-9
2 RxD TxD 3
3 TxD
RxD 2
4 DTR
DSR 6
DCD 1
5SG
SG 5
6 DSR
DTR 4
1 DCD
7 RTS
CTS 8
8 CTS
RTS 7
Shell GND
GND Shell
* Arrows indicate which direction the signal is flowing
NOTES:
●
Altpin should be turned off when using this cable.
●
This cable utilizes the RTS signal of the PC terminal emulator for hardware flow control (RTS/CTS).
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