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3PXOCC2A, 3PXOCC2B

B & B ELECTRONICS

3PXOCC2A, 3PXOCC2B

Card Type

Serial card

Chip Set

Unidentified

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

Function

Label

9-pin serial port 1

J1

9-pin serial port 2

J2

USER CONFIGURABLE SETTINGS

Function

Label

Position

IRQ share select normal

JP4

Pins 1 & 3, 2 & 4 closed

IRQ share select sharing

JP4

Pins 3 & 5, 4 & 6 closed

SERIAL PORT SELECTION (RS-232 & RS-422)

Setting

JP1C

JP2C

RS-232

1 & 2, 4 & 5, 7 & 8, 10 & 11

1 & 2, 4 & 5, 7 & 8, 10 & 11

RS-422/485

2 & 3, 5 & 6, 8 & 9, 11 & 12

2 & 3, 5 & 6, 8 & 9, 11 & 12

Note: Pins designated should be in the closed position.

SERIAL PORT SELECTION (RS-422 & RS-485)

Setting

JP1A

JP1B

JP2A

JP2B

RS-422

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

RS-485

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

RS-485 SELECTION

Setting

JP5

JP6

Send Data (SD)

Pins 1 & 2 closed

Pins 1 & 2 closed

Request to Send (RTS)

Pins 2 & 3 closed

Pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTE

JP1C, JP1A, JP1B & JP5 control serial port 1 and JP2C, JP2A, JP2B & JP6 control serial port 2.

SERIAL PORT 1 ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

3F8

Off

Off

Off

Off

Off

Off

Off

2F8

Off

Off

Off

Off

Off

On

Off

3E8

Off

On

Off

Off

Off

Off

Off

2E8

Off

On

Off

Off

Off

On

Off

SERIAL PORT 2 ADDRESS SELECTION

Address

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

3F8

Off

Off

Off

Off

Off

Off

Off

2F8

Off

Off

Off

Off

Off

On

Off

3E8

Off

On

Off

Off

Off

Off

Off

2E8

Off

On

Off

Off

Off

On

Off

INTERRUPT SELECTION

IRQ

Port 1 (J1)

Port 2 (J2)

IRQ2

JP3/pins 31 & 32 closed

JP3/pins 32 & 33 closed

IRQ3

JP3/pins 28 & 29 closed

JP3/pins 29 & 30 closed

IRQ4

JP3/pins 25 & 26 closed

JP3/pins 26 & 27 closed

IRQ5

JP3/pins 22 & 23 closed

JP3/pins 23 & 24 closed

IRQ6

JP3/pins 19 & 20 closed

JP3/pins 20 & 21 closed

IRQ7

JP3/pins 16 & 17 closed

JP3/pins 17 & 18 closed

IRQ10

JP3/pins 13 & 14 closed

JP3/pins 14 & 15 closed

IRQ11

JP3/pins 10 & 11 closed

JP3/pins 11 & 12 closed

IRQ12

JP3/pins 7 & 8 closed

JP3/pins 8 & 9 closed

IRQ14

JP3/pins 4 & 5 closed

JP3/pins 5 & 6 closed

IRQ15

JP3/pins 1 & 2 closed

JP3/pins 2 & 3 closed

DATA RATE SELECTION

Setting

JP7

JP8

High

Pins 1 & 2 closed

Pins 1 & 2 closed

Low

Pins 2 & 3 closed

Pins 2 & 3 closed