27
APPENDIX A: Signal Flow Diagrams
RS-232 (configured DTE)
MIL 188C (configured DCE)
+
-
-
+
-
+
-
+
TD LED
RD LED
CTS LED
RTS LED
ST LED
RT LED
CHASSIS GND 1
TD 2
RD 3
RTS 4
CTS 5
DSR 6
SIGNAL GND 7
DTR 20
DCD 8
TXC 15
1 SHIELD
2
TD (+)
3
RD (+)
4
RTS (-)
5
CTS (-)
6
DCE READY (-)
7 SIGNAL GND
20 DTE READY (-)
8
RLSD (-)
24 DTE TXC (+)
15 TXC (+)
17 RXC (+)
RXC 17
DTE TXC 24