CyberResearch® CPU Cards

CPBH Series

zCN14: COM4 Connector (5x2 Header)

PIN Description PIN Description

1

DCD3

2

DSR3

3

RXDD3

4

RTS3

5

TXDD3

6

CTS3

7

DTR3

8

RI3

9

GND

10

N/C

DCD3

1

2

DSR3

RXDD3

3

4

RTS3

TXDD3

5

6

CTS3

DTR3

7

8

RI3

GND

9

10

N/C

The onboard COM2 may be configured as RS-232, RS-422, or RS-485.

zCN11: RS-422/485 Connector (5x2 Header)

PIN Description PIN Description

1

TX-

2

TX+

3

RX+

4

RX-

5

GND

6

RTS-

7

RTS+

8

CTS+

9

CTS-

10

N/C

TX-

1

2

TX+

RX+

3

4

RX-

GND

5

6

RTS-

RTS+

7

8

CTS+

CTS-

9

10

N/C

zJP1/JP2/JP4/JP5: COM2 Use RS-232 or RS-422/485 Select

Options

Settings

1

 

RS-232 (default)

Short 2-3

 

 

 

 

 

 

 

 

RS-422/485

Short 1-2

 

 

 

 

 

 

 

 

 

 

3

3.12 IrDA Connector

CN4 is a 5-pin internal FIR communication connector for connection of an IrDA device.

zCN4: IrDA Connector

PIN

Description

1

VCC

2

N/C

3

IRRX

4

GND

5

IRTX

VCC 1

N/C 2

IRRX 3

GND 4

IRTX 5

CyberResearch, Inc.

17

25 Business Park Drive

P: (203) 483-8815; F: (203) 483-9024

Branford, CT USA

www.cyberresearch.com