NCR 7458 User Manual
Page 83
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Chapter 3: Hardware Service 3-59
Serial COM3 (CN6)
Pin Signal
Name
1 DCD
2
Serial In - (SIN)
3
Serial Out - (SOUT)
4 DTR-
5 GND
6 DSR-
7 RTS-
8 CTS-
9
+12V For powered RS232
Serial COM4 (CN5)
Pin Signal
Name
1 DCD
2
Serial In - (SIN)
3
Serial Out - (SOUT)
4 DTR-
5 GND
6 DSR-
7 RTS-
8 CTS-
9
+12V for powered RS232
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