IEI Integration WAFER-945GSE2 v2.00 - Manual (Page 48)

WAFER-945GSE2 3.5" Motherboard
Page 33
The 14-pin serial port connector connects to the COM2 serial communications channels.
COM2 is a multi function channel. In default mode COM2 is an RS-232 serial
communication channel but, with the COM2 function select jumper, can be configured as
either an RS-422 or RS-485 serial communications channel.
Figure 3-19: RS-232/422/485 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 N/C
11 TXD485+ 12 TXD485#
13 RXD485+ 14 RXD485#
Table 3-20: RS-232/422/485 Serial Port Connector Pinouts
3.2.18 SPI Flash Connector
CN Label: JSPI1
CN Type: 8-pin header
CN Location: See Figure 3-20
CN Pinouts: See Table 3-21