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COMM+2

SEALEVEL SYSTEMS, INC.

COMM+2

Card Type

Serial card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Serial ports (2 RS-232, RS-422 or RS-485)

Hard Drives supported

None

Floppy drives supported

None

Data Bus

8-bit ISA

Card Size

Half-length, full-height

CONNECTIONS

Function

Label

Function

Label

Serial Port 1

J1

Serial Port 2

J2

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Port 1 RS-232 receive data

E1/A

Pins 1 & 2 closed

 

Port 1 RS-422 receive data

E1/A

Pins 2 & 3 closed

 

Port 1 DSR enabled

E1/C

Pins 1 & 2 closed

 

Port 1 DSR active

E1/C

Pins 2 & 3 closed

 

Port 1 DCD enabled

E1/D

Pins 1 & 2 closed

 

Port 1 DCD active

E1/D

Pins 2 & 3 closed

 

Port 1 RI enabled

E1/E

Pins 1 & 2 closed

 

Port 1 RI active

E1/E

Pins 2 & 3 closed

 

Port 1 always enabled (RS-485)

E1/G

Pins 1 & 2 closed

 

Port 1 enabled by RTS (RS-485)

E1/G

Pins 2 & 3 closed

 

Port 1 100 ohm high impedence ground enabled

E1/H

Pins 1 & 2 closed

 

Port 1 direct ground enabled

E1/H

Pins 2 & 3 closed

 

Port 2 RS-232 receive data

E3/A

Pins 1 & 2 closed

 

Port 2 RS-422 receive data

E3/A

Pins 2 & 3 closed

 

Port 2 DSR enabled

E3/C

Pins 1 & 2 closed

 

Port 2 DSR active

E3/C

Pins 2 & 3 closed

 

Port 2 DCD enabled

E3/D

Pins 1 & 2 closed

 

Port 2 DCD active

E3/D

Pins 2 & 3 closed

 

Port 2 RI enabled

E3/E

Pins 1 & 2 closed

 

Port 2 RI active

E3/E

Pins 2 & 3 closed

 

Port 2 always enabled (RS-485)

E3/G

Pins 1 & 2 closed

 

Port 2 enabled by RTS (RS-485)

E3/G

Pins 2 & 3 closed

 

Port 2 100 ohm high impedence ground enabled

E3/H

Pins 1 & 2 closed

 

Port 2 direct ground enabled

E3/H

Pins 2 & 3 closed

Port 1 enabled

SW1/8

On

 

Port 1 disabled

SW1/8

Off

Port 2 enabled

SW2/8

On

 

Port 2 disabled

SW2/8

Off

BASE I/O ADDRESS SELECTION PORT 1

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

 

280h

Off

On

Off

On

On

On

On

 

2A0h

Off

On

Off

On

Off

On

On

 

2E8h

Off

On

Off

Off

Off

On

Off

 

2F8h

Off

On

Off

Off

Off

Off

Off

 

300h

Off

Off

On

On

On

On

On

 

328h

Off

Off

On

On

Off

On

Off

 

3E8h

Off

Off

Off

Off

Off

On

Off

3F8h

Off

Off

Off

Off

Off

Off

Off

BASE I/O ADDRESS SELECTION PORT 2

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

 

280h

Off

On

Off

On

On

On

On

 

2A0h

Off

On

Off

On

Off

On

On

 

2E8h

Off

On

Off

Off

Off

On

Off

2F8h

Off

On

Off

Off

Off

Off

Off

 

300h

Off

Off

On

On

On

On

On

 

328h

Off

Off

On

On

Off

On

Off

 

3E8h

Off

Off

Off

Off

Off

On

Off

 

3F8h

Off

Off

Off

Off

Off

Off

Off

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

E6/A

E6/B

E6/C

E6/D

 

2/9

Closed

Open

Open

Open

 

3

Open

Closed

Open

Open

4

Open

Open

Closed

Open

 

5

Open

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

E6/E

E6/F

E6/G

E6/H

 

2/9

Closed

Open

Open

Open

3

Open

Closed

Open

Open

 

4

Open

Open

Closed

Open

 

5

Open

Open

Open

Closed

SERIAL INTERRUPT MODE SELECTION PORT 1

IRQ

E5

Normal

Pins 4 & 5 closed

 

Shared Interrupt mode

Pins 5 & 6 closed

SERIAL INTERRUPT MODE SELECTION PORT 2

IRQ

E5

Normal

Pins 1 & 2 closed

 

Shared Interrupt mode

Pins 2 & 3 closed

PORT 1 TYPE SELECTION

Mode

E2/A-H

RS-232 enabled

Pins 1 & 2 closed

RS-422 enabled

Pins 2 & 3 closed

PORT 2 TYPE SELECTION

Mode

E4/A-H

RS-232 enabled

Pins 1 & 2 closed

RS-422 enabled

Pins 2 & 3 closed

CTS MODE SELECTION PORT 1

Mode

E1/B

E1/F

CTS enabled

Pins 1 & 2 closed

Pins 1 & 2 closed

CTS active

Open

Pins 2 & 3 closed

CTS MODE SELECTION PORT 2

Mode

E3/B

E3/F

CTS enabled

Pins 1 & 2 closed

Pins 1 & 2 closed

CTS active

Open

Pins 2 & 3 closed