DSR on pin 6,
(not used)
RTS on pin 7,
(not used)
CTS on pin 8,
(not used)
RI on pin 9,
(not used)
Table 12: Configuration Port Cable Construction Table
GROUND
RECEIVE
TRANSMIT
Figure 34: Serial Data Cable PinOut (PCB View)
Standard “AT” PinOut for a DB9 Connector
Figure 35: Serial Data Cable Schematic
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