1 ethernet connectors (lan1, lan2), 2 rs-232 serial port (com1), 3 usb connectors (usb1) – IEI Integration ECW-281B_D2550 User Manual

Page 102: Table 6-21: ethernet connector pinouts, Table 6-22: rs-232 serial port pinouts, Table 6-23: usb connector (usb1) pinouts, Figure 3-18, Step 7, Align the mounting scre

ECW-281B-D2550 Embedded System

Page 88

6.3.1 Ethernet Connectors (LAN1, LAN2)

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

1 MD0+

5 MD2+

2 MD0-

6 MD2-

3 MD1+

7 MD3+

4 MD1-

8 MD3-

Table 6-21: Ethernet Connector Pinouts

6.3.2 RS-232 Serial Port (COM1)

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

1 DCD

6 DSR

2 RXD

7 RTS

3 TXD

8 CTS

4 DTR

9 RI

5 GND

Table 6-22: RS-232 Serial Port Pinouts

6.3.3 USB Connectors (USB1)

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

1 VCC

2 VCC

2 DATA-

4 DATA-

3 DATA+

6 DATA+

4 GROUND

8 GROUND

Table 6-23: USB Connector (USB1) Pinouts