Brainboxes CC-618 Hardware Manual page 42

PCI Photon 4 Port RS232
Figure 6-5. 9 To 25 Way Adapter.
This adapter cable makes the AT style 9 pin serial port,
look like the standard PC 25 pin serial port. It is NOT a cross over
cable!
9 Pin AT SERIAL PORT
9 Pin Female D Connector
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!
RS232 Pinouts and Cabling
25 Pin PC SERIAL PORT
25 Pin Male D Connector
+2(
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6-
Chapter 4 Page 42