6-pin mini-DIN attaches to
Switch or cable from Switch
N/C
RLSD (DCD)
RD
KDAT
TD
SGND
+5V
KCLK
-12V
TD (-12V)
DTR
SGND
DSR
RTS
CTS
RI
N/C
N/C
DB9 attaches to PC’s serial port or
cable to PC’s serial port
12
2
3
4
4
3
56
65
Female
Male
1
1
Male
Female
5
69
51
96
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