Serial Port Connector (Com3, Com4, Com5 And Com6); Figure 3-10: Com3 To Com6 Connector Pinout Locations; Table 3-9: Sata Drive Connector Pinouts - IEI Technology ECW-281B-D525 User Manual

ECW-281B/B2-D525 Embedded System
PIN NO. DESCRIPTION
1 GND
2 TX+
3 TX-
4 GND
5 RX-
6 RX+
7 GND

Table 3-9: SATA Drive Connector Pinouts

3.3.9 Serial Port Connector (COM3, COM4, COM5 and COM6)

CN Label:
CN Type:
CN Location:
CN Pinouts:
The 40-pin serial port connector contains the following four serial ports: COM3, COM4,
COM5 and COM6. All these serial ports are RS-232 serial communications channels. The
serial port locations are specified below.
COM3 is located on pin 1 to pin 10

COM4 is located on pin 11 to pin 20

 COM5 is located on pin 21 to pin 30
 COM6 is located on pin 31 to pin 40

Figure 3-10: COM3 to COM6 Connector Pinout Locations

COM
40-pin header (2x20)
See
F igure 3-10
7 5 4
See
T able 3-10
7 5 4
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