B & B ELECTRONICS

3PCIOSD1A, 3PCIOSD1B

Card Type

Serial

Chipset

16550A (3PCIOSD1A)

16850 (3PCIOSD1B)

I/O Options

25-pin serial port

Data Bus

32-bit PCI

CONNECTIONS

Function

Label

25-pin serial port

J1


USER CONFIGURABLE SETTINGS

Setting

Label

Position

 

SD driver control enabled

JP1

Pins 1 & 2 closed

 

RTS driver control enabled

JP1

Pins 2 & 3 closed

»

120 Ohm termination disabled

JP4/C

Pins 2 & 3 closed

 

120 Ohm termination enabled

JP4/C

Pins 1 & 2 closed

»

Clock speed normal

JP3

Pins 2 & 3 closed

 

Clock speed multiplied by 4

JP3

Pins 1 & 2 closed


SERIAL PORT CONFIGURATION

Setting

JP2/A

JP2/B

JP2/C

JP2/D

JP4/A

JP4/B

JP1

RS-232

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

N/A

N/A

Pins 2 & 3

RS-422

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 1 & 2

Pins 1 & 2

N/A

RS-485

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

See note

Note: In RS-485 mode, JP1 must be set to match software requirements