User`s guide

XBee RS-232 PH Adapter
11
Pinouts
The RS232 connector is an industry-standard DB9 male connector with a
DTE configuration, similar to a PC serial port. Pinouts for the connector
are:
Pin Function Data direction
1 CD Input
Also used for parasitic power input from host.
2RXD Input
Also used for parasitic power input from host.
3 TXD Output
4 DTR Output
5GND
6DSR Input
Also used for parasitic power input from host.
7 RTS Output
8CTS Input
Also used for parasitic power input from host.
9 RI Input
Also used for parasitic power input from host.