Serial Port Connector; Figure 3-15: Rs-232 Serial Port Connector Location; Table 3-15: Parallel Port Connector Pinouts; Table 3-16: Rs-232 Serial Port Connector Pinouts - IEI Technology WSB-PV-D4251 User Manual

WSB-PV-D4251/D5251 SBC
Pin Description
11 BUSY
13 PRINTER SELECT
15 ERROR#
17 PRINTER SELECT LN#
19 GND
21 GND
23 GND
25 GND

Table 3-15: Parallel Port Connector Pinouts

3.2.14 RS-232 Serial Port Connector
CN Label: COM1, COM2, COM3, COM4
10-pin box header
CN Type:
CN Location: See Figure 3-15
CN Pinouts: See Table 3-16
The connectors provide RS-232 communications.

Figure 3-15: RS-232 Serial Port Connector Location

Pin Description
1 Data Carrier Direct (DCD)
3 Transmit Data (TXD)
5 GND
7 Request To Send (RTS)
9 Ring Indicator (RI)

Table 3-16: RS-232 Serial Port Connector Pinouts

Pin Description
12 PAPER EMPTY
14 AUTO FORM FEED#
16 INITIALIZE#
18 GND
20 GND
22 GND
24 GND
26 N/C
Pin Description
2 Receive Data (RXD)
4 Data Terminal Ready (DTR)
6 Data Set Ready (DSR)
8 Clear To Send (CTS)
10 Ground (GND)
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