SEALEVEL SYSTEMS, INC.

ULTRA COMM+2.PCI

Card Type

Serial card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Serial ports (2)

Hard Drives supported

None

Floppy drives supported

None

Data Bus

32-bit PCI

Card Size

Full-length, full-height

CONNECTIONS

Function

Label

Function

Label

Serial Port 1

J2

Serial Port 2

J3

PORT 1 TYPE SELECTION

Type

E1

E2

»

RS-232

Open

Closed

 

RS-422/485

Closed

Open

PORT 2 TYPE SELECTION

Type

E3

E4

»

RS-232

Open

Closed

 

RS-422/485

Closed

Open

PORT 1 TERMINATION SELECTION

Termination

Label

Position

Add 1K ohm pull-down resistor (RS-422/485)

J1A

Pins 1 & 2 closed

Remove 1K ohm pull-down resistor (RS-422/485)

J1A

Pins 1 & 2 open

Add 1K ohm pull-up resistor (RS-422/485)

J1A

Pins 3 & 4 closed

Remove 1K ohm pull-up resistor (RS-422/485)

J1A

Pins 3 & 4 open

Add 120 ohm termination

J1A

Pins 5 & 6 closed

Remove 120 ohm termination

J1A

Pins 5 & 6 open

TX+ connected to RX+ for two wire operation (RS-485)

J1A

Pins 7 & 8 closed

TX- connected to RX- for two wire operation (RS-485)

J1A

Pins 9 & 10 closed

PORT 2 TERMINATION SELECTION

Termination

Label

Position

Add 1K ohm pull-down resistor (RS-422/485)

J2A

Pins 1 & 2 closed

Remove 1K ohm pull-down resistor (RS-422/485)

J2A

Pins 1 & 2 open

Add 1K ohm pull-up resistor (RS-422/485)

J2A

Pins 3 & 4 closed

Remove 1K ohm pull-up resistor (RS-422/485)

J2A

Pins 3 & 4 open

Add 120 ohm termination

J2A

Pins 5 & 6 closed

Remove 120 ohm termination

J2A

Pins 5 & 6 open

TX+ connected to RX+ for two wire operation (RS-485)

J2A

Pins 7 & 8 closed

TX- connected to RX- for two wire operation (RS-485)

J2A

Pins 9 & 10 closed

PORT 1 ECHO MODE SELECTION

Mode

Label

Position

RS-422

J1B

Open

RTS enabled with no echo (RS-485)

J1B

Pins 3 & 4, 5 & 6 closed

RTS enabled with echo (RS-485)

J1B

Pins 3 & 4 closed

Auto enabled with no echo (RS-485)

J1B

Pins 1 & 2, 5 & 6 closed

Auto enabled with echo (RS-485)

J1B

Pins 1 & 2 closed

PORT 2 ECHOL MODE SELECTION

Mode

Label

Position

RS-422

J2B

Open

RTS enabled with no echo (RS-485)

J2B

Pins 3 & 4, 5 & 6 closed

RTS enabled with echo (RS-485)

J2B

Pins 3 & 4 closed

Auto enabled with no echo (RS-485)

J2B

Pins 1 & 2, 5 & 6 closed

Auto enabled with echo (RS-485)

J2B

Pins 1 & 2 closed

PORT 1 CLOCK MODE SELECTION

DIVIDE

J1C

1

Pins 1 & 2 closed

2

Pins 3 & 4 closed

4

Pins 5 & 6 closed

PORT 2 CLOCK MODE SELECTION

DIVIDE

J2C

1

Pins 1 & 2 closed

2

Pins 3 & 4 closed

4

Pins 5 & 6 closed