B & B ELECTRONICS

3PCISD2A, 3PCISD2B

Card Type

Serial

Chipset

16550A (3PCISD2A)

16850 (3PCISD2B)

I/O Options

Serial ports (2)

Data Bus

16 bit ISA

CONNECTIONS

Function

Label

Function

Label

9-pin serial port

J1

9-pin serial port

J2


USER CONFIGURABLE SETTINGS

Setting

Label

Position

 

SD driver control enabled on port 1 (RS-485 mode only)

JP1/D

Pins 2 & 3 closed

 

RTS driver control enabled on port 1 (RS-485 mode only)

JP1/D

Pins 1 & 2 closed

»

120 Ohm termination disabled on port 1

JP1/E

Pins 2 & 3 closed

 

120 Ohm termination enabled on port 1

JP1/E

Pins 1 & 2 closed

»

Clock speed normal

JP3

Pins 2 & 3 closed

 

Clock speed multiplied by 4

JP3

Pins 1 & 2 closed

 

SD driver control enabled on port 2 (RS-485 mode only)

JP4/D

Pins 2 & 3 closed

 

RTS driver control enabled on port 2 (RS-485 mode only)

JP4/D

Pins 1 & 2 closed

»

120 Ohm termination disabled on port 2

JP4/E

Pins 2 & 3 closed

 

120 Ohm termination enabled on port 2

JP4/E

Pins 1 & 2 closed


SERIAL PORT 1 CONFIGURATION

Setting

JP2/A

JP2/B

JP2/C

JP2/D

JP1/A

JP1/B

JP1/C

RS-232

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

N/A

N/A

RS-422

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

RS-485

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2


SERIAL PORT 2 CONFIGURATION

Setting

JP5/A

JP5/B

JP5/C

JP5/D

JP4/A

JP4/B

JP4/C

RS-232

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

N/A

N/A

RS-422

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

RS-485

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2