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TORNADO WEBJET 128
Allied Data Technologies
30
Appendix C:
RS232C Connector
Figure 6: DB9F-RS232C connector
CCITT
DBF9F
Richting
Naam
Verkort
Pin
109
1
OUT
Data carrier detect
(CD)
104
2
OUT
Received Data
(RxD)
103
3
IN
Transmitted Data
(TxD)
108
4
IN
Data terminal ready
(DTR)
5
-
Signal Ground
(GND)
107
6
OUT
Data set ready
(DSR)
105
7
IN
Request to send
(RTS)
106
8
OUT
Clear to send
(CTS)
125
9
OUT
Ring Indicator
(RI)