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13 power button connector (pwr_btn1), 14 reset button connector (rst_btn1), 15 rs-232 serial port connectors (com2, com3) – IEI Integration ECW-281B_D2550 User Manual

Page 100: 16 rs-422/485 serial port connector (com4), Figure 3-15, If the ecw-281b-d2550 fails to boot due to im

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ECW-281B-D2550 Embedded System

Page 86

6.2.13 Power Button Connector (PWR_BTN1)

6.2.14 Reset Button Connector (RST_BTN1)

6.2.15 RS-232 Serial Port Connectors (COM2, COM3)

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

1 DCD

2 DSR

3 RXD

4 RTS

5 TXD

6 CTS

7 DTR

8 RI

9 GND

10 GND

6.2.16 RS-422/485 Serial Port Connector (COM4)

PIN NO.

DESCRIPTION

1

PWR_BTN+

2

PWR_BTN-

Table 6-14: Power Button Connector (PWR_BTN1) Pinouts

PIN NO.

DESCRIPTION

1

RESET+

2

RESET-

Table 6-15: Reset Button Connector (RST_BTN1) Pinouts

Table 6-16: RS-232 Serial Port Connector (COM2, COM3) Pinouts

PIN NO.

DESCRIPTION

1 RXD422-

2 RXD422+

3 TXD422+/TXD485+

4 TXD422-/TXD485-

Table 6-17: RS-422/485 Serial Port Connector (COM4) Pinouts

See also other documents in the category IEI Integration Computer Accessories: