XPR2/XPC2 PowerStation Series Hardware User Guide
Page 20 of 47
Pinouts for COM1
The following Table shows the pinouts and signal information for COM1.
Pin#
Signal
1
DCD, data carrier detect
2
RXD, received data
3
TXD, transmitted data
4
DTR, data terminal ready
5 Signal
ground
6 DSR
7
RTS, request to send
8
CTS, clear to send
9 RI
Pinouts for COM2
The following table shows the pinouts and signal information for COM2 depending on the
communication configuration selected:
Pin
#
RS-232
Communication
RS-422
Communication
RS-485
Communication
1
N/C
TXD-, transmitted data -
TXD-, transmitted data -
2
RXD, received data
TXD+, transmitted data +
TXD+, transmitted data +
3
TXD, transmitted data
RXD+, received data +
RXD+, received data +
4
N/C
RXD-, received data -
RXD-, received data -
5
Signal ground
Signal ground
Signal ground
6 N/C
N/C
N/C
7
RTS, request to send
N/C
N/C
8
CTS, clear to send
N/C
N/C
9 N/C
N/C
N/C
Note
—
RTS and CTS signals are not active in RS-422 and RS-425
configurations.