User`s manual

22 • Jumpers and Connectors

2.2.6 COM1 Serial Ports (RS-232/422/485)

The PXD-3710/3710F COM1 serial port can be configured as RS232, RS422

or RS485 by setting the appropriate jumpers. Refer to section 2.3.3.

Pin # RS-232 RS-422 RS-485

1 DCD, Data carrier detect TX- DATA-

2 RXD, Receive data TX+ DATA+

3 TXD, Transmit data RX+ NC

4 DTR, Data terminal ready RX- NC

5 GND, ground GND GND

6 DSR, Data set ready NC NC

7 RTS, Request to send NC NC

8 CTS, Clear to send NC NC

9 RI, Ring indicator NC NC

Table 9: COM1 Serial Port Pin Assignment

2.2.7 CPU Fan Power Connector

Pin # Signal Name

1 Ground

2 +12V

3 Rotation

Table 10: CPU Fan Power Connector Pin Assignment

2.2.8 Power Output Connector

Pin # Signal Name

P1 +5V

P2 GND

P3 GND

P4 +12V

Table 11: Power Output Connector Pin Assignment

Note: This connector is used when the external IDE device is connected.

Please do not short the power lines as it may damage the

PXD-3710/3710F.