IEI Technology WSB-H610-R11, User Manual

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WSB-H610 PICMG 1.0 CPU Card
Page 35
Figure 3-19: Serial Port Connector Location
Pin Description Pin Description
1 DATA CARRIER DETECT (DCD) 2 DATA SET READY (DSR)
3 RECEIVE DATA (RXD) 4 REQUEST TO SEND (RTS)
5 TRANSMIT DATA (TXD) 6 CLEAR TO SEND (CTS)
7 DATA TERMINAL READY (DTR) 8 RING INDICATOR (RI)
9 GND 10 GND
Table 3-19: Serial Port Connector Pinouts
3.2.19 Serial Port Connector, RS-422/485
CN Label: COM3
CN Type:
4-pin wafer
CN Location: See Figure 3-20
CN Pinouts: See Table 3-20
NOTE:
These pins are shared with those on the main serial port. Use either
the pins on the main connector, or on this connector, but not both.
This connector provides RS-422 or RS-485 communications.