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ULTRA SIO (P/N 3089), ULTRA SIO (P/N3189)

SEALEVEL SYSTEMS, INC.

ULTRA SIO (P/N 3089), ULTRA SIO (P/N3189)

Card Type

Serial card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Serial port (2)

Hard Drives supported

None

Floppy drives supported

None

Data Bus

16-bit ISA

Card Size

Full-length, full-height

CONNECTIONS

Function

Label

Function

Label

Serial Port 1

P3

Serial Port 2

P4

USER CONFIGURABLE SETTINGS

Function

Label

Position

Port 1 RTS enabled (RS-485)

E8

Pins 2 & 4 closed

Port 1 auto enabled (RS-485)

E8

Pins 1 & 3 closed

Port 2 RTS enabled (RS-485)

E10

Pins 2 & 4 closed

Port 2 auto enabled (RS-485)

E10

Pins 1 & 3 closed

BASE I/O ADDRESS SELECTION PORT 1

Setting

SW1/1

SW1/2

SW1/3

SW1/4

 

2A0h

Off

On

On

On

 

2E8h

On

Off

Off

On

 

2F8h

On

On

Off

On

 

300h

Off

On

Off

On

 

328h

Off

Off

On

On

 

3E8h

On

Off

On

On

»

3F8h

On

On

On

On

 

Disabled

Off

Off

Off

Off

BASE I/O ADDRESS SELECTION PORT 2

Setting

SW2/1

SW2/2

SW2/3

SW2/4

 

2A0h

Off

On

On

On

 

2E8h

On

Off

Off

On

»

2F8h

On

On

Off

On

 

300h

Off

On

Off

On

 

328h

Off

Off

On

On

 

3E8h

On

Off

On

On

 

3F8h

On

On

On

On

 

Disabled

Off

Off

Off

Off

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

E11/A

E11/B

E11/C

E11/D

E11/E

 

2/9

Closed

Open

Open

Open

Open

 

3

Open

Closed

Open

Open

Open

»

4

Open

Open

Closed

Open

Open

 

5

Open

Open

Open

Closed

Open

 

6

Open

Open

Open

Open

Closed

 

7

Open

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

 

11

Open

Open

Open

Open

Open

 

12

Open

Open

Open

Open

Open

 

14

Open

Open

Open

Open

Open

 

15

Open

Open

Open

Open

Open

SERIAL PORT 1 INTERRUPT SELECTION (CON’T)

IRQ

E11/F

E11/G

E11/H

E11/I

E11/J

E11/K

 

2/9

Open

Open

Open

Open

Open

Open

 

3

Open

Open

Open

Open

Open

Open

»

4

Open

Open

Open

Open

Open

Open

 

5

Open

Open

Open

Open

Open

Open

 

6

Open

Open

Open

Open

Open

Open

 

7

Closed

Open

Open

Open

Open

Open

 

10

Open

Closed

Open

Open

Open

Open

 

11

Open

Open

Closed

Open

Open

Open

 

12

Open

Open

Open

Closed

Open

Open

 

14

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

E12/A

E12/B

E12/C

E12/D

E12/E

 

2/9

Closed

Open

Open

Open

Open

»

3

Open

Closed

Open

Open

Open

 

4

Open

Open

Closed

Open

Open

 

5

Open

Open

Open

Closed

Open

 

6

Open

Open

Open

Open

Closed

 

7

Open

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

 

11

Open

Open

Open

Open

Open

 

12

Open

Open

Open

Open

Open

 

14

Open

Open

Open

Open

Open

 

15

Open

Open

Open

Open

Open

SERIAL PORT 2 INTERRUPT SELECTION (CON’T)

IRQ

E12/F

E12/G

E12/H

E12/I

E12/J

E12/K

 

2/9

Open

Open

Open

Open

Open

Open

»

3

Open

Open

Open

Open

Open

Open

 

4

Open

Open

Open

Open

Open

Open

 

5

Open

Open

Open

Open

Open

Open

 

6

Open

Open

Open

Open

Open

Open

 

7

Closed

Open

Open

Open

Open

Open

 

10

Open

Closed

Open

Open

Open

Open

 

11

Open

Open

Closed

Open

Open

Open

 

12

Open

Open

Open

Closed

Open

Open

 

14

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Closed

SERIAL INTERRUPT MODE SELECTION PORT 1

IRQ

E5

»

Normal interrupt mode

Pins 1 & 2 closed

 

Shared interrupt mode without resistor

Pins 2 & 3 closed

 

Shared interrupt mode with pull-down resistor

Pins 3 & 4 closed

SERIAL INTERRUPT MODE SELECTION PORT 2

IRQ

E6

»

Normal interrupt mode

Pins 1 & 2 closed

 

Shared interrupt mode without resistor

Pins 2 & 3 closed

 

Shared interrupt mode with pull-down resistor

Pins 3 & 4 closed

PORT 1 SELECTION

Function

Label

Position

Port 1 echo enabled (RS-485 2 wire mode)

E3

Pins 1 & 2 closed

Port 1 echo disabled (RS-485 2 wire mode)

E3

Pins 3 & 4 closed

Port 1 RS-422/485 always enabled

E3

Pins 5 & 6 closed

Port 1 RS-422/485 enabled by RTS

E3

Pins 7 & 8 closed

PORT 2 SELECTION

Function

Label

Position

Port 2 echo enabled (RS-485 2 wire mode)

E9

Pins 1 & 2 closed

Port 2 echo disabled (RS-485 2 wire mode)

E9

Pins 3 & 4 closed

Port 2 RS-422/485 always enabled

E9

Pins 5 & 6 closed

Port 2 RS-422/485 enabled by RTS

E9

Pins 7 & 8 closed

PORT 1 TERMINATION SELECTION

Function

Label

Position

Port 1 TX+ & RX+ connected for two wire operation (RS-485)

E1

Pins 1 & 2 closed

Port 1 add 120 ohm termination

E1

Pins 3 & 4 closed

Port 1 TX- & RX- connected for two wire operation (RS-485)

E1

Pins 5 & 6 closed

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

E1

Pins 7 & 8 closed

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

E1

Pins 9 & 10 closed

PORT 2 TERMINATION SELECTION

Function

Label

Position

Port 2 TX+ & RX+ connected for two wire operation (RS-485)

E4

Pins 1 & 2 closed

Port 2 add 120 ohm termination

E4

Pins 3 & 4 closed

Port 2 TX- & RX- connected for two wire operation (RS-485)

E4

Pins 5 & 6 closed

Port 2 1K ohm pull-down resistor enabled (RS-422/485)

E4

Pins 7 & 8 closed

Port 2 1K ohm pull-up resistor enabled (RS-422/485)

E4

Pins 9 & 10 closed

MISCELLANEOUS TECHNICAL NOTES

The Ultra SIO comes in both isolated ground (P/N 3189) and non-isolated ground (P/N 3089) types. The settings are the same for both.