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VBX 200, VBX 400

NATURAL MICROSYSTEMS

VBX 200, VBX 400

Card Type

Telephony

Chip Set

TI 320C10

Data Bus

16-bit ISA

I/O Options

Analog in/out, digital in/out, voice in/out

CONNECTIONS

Function

Label

Function

Label

Lines 1 & 2 out

J1

Audio in/out

J4

Lines 3 & 4 out

J2

Analog/digital I/O (see pinout below)

J5

Power and signalling (see pinout below)

J3

   

Note: Lines 2 & 3 are not present on model VBX 200.

J3 PINOUT

Function

Pin

Function

Pin

Channel 1 E signal

1

Channel 3 SB signal

9

Channel 1 M signal

2

Channel 4 E signal

10

Channel 1 SB signal

3

Channel 4 M signal

11

Channel 2 E signal

4

Channel 4 SB signal

12

Channel 2 M signal

5

Battery ground

13

Channel 2 SB signal

6

-48VDC battery

14

Channel 3 E signal

7

-12V out

15

Channel 3 M signal

8

   

J5 PINOUT

Function

Pin

Function

Pin

Analog channel 1 in/out

1

Analog channel 3 in/out

11

Analog channel 2 in/out

2

Analog channel 4 in/out

12

Digital channel 1 in

3

Digital channel 3 in

13

Digital channel 2 in

4

Digital channel 4 in

14

Digital channel 1 out

5

Digital channel 3 out

15

Digital channel 2 out

6

Digital channel 4 out

16

Not used

7

Not used

17

Not used

8

Not used

18

+12VDC power

9

Digital signal ground

19

-12VDC power

10

Analog signal ground

20

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Interrupt driver enabled

W1

Closed

 

Interrupt driver disabled

W1

Open

»

Direct audio path for port 1 enabled

A11

Open

 

Off-hook bypass for port 1 enabled

A11

Closed

»

Direct audio path for port 2 enabled

A21

Open

 

Off-hook bypass for port 2 enabled

A21

Closed

»

Direct audio path for port 3 enabled

A31

Open

 

Off-hook bypass for port 3 enabled

A31

Closed

»

Direct audio path for port 4 enabled

A41

Open

 

Off-hook bypass for port 4 enabled

A41

Closed

»

Hook relay for port 1 enabled

A12

Closed

 

Hook relay for port 1 disabled

A12

Open

»

Hook relay for port 2 enabled

A22

Closed

 

Hook relay for port 2 disabled

A22

Open

»

Hook relay for port 3 enabled

A32

Closed

 

Hook relay for port 3 disabled

A32

Open

»

Hook relay for port 4 enabled

A42

Closed

 

Hook relay for port 4 disabled

A42

Open

»

Ring detect for port 1 enabled

A13

Closed

 

Ring detect for port 1 disabled

A13

Open

»

Ring detect for port 2 enabled

A23

Closed

 

Ring detect for port 2 disabled

A23

Open

»

Ring detect for port 3 enabled

A33

Closed

 

Ring detect for port 3 disabled

A33

Open

»

Ring detect for port 4 enabled

A43

Closed

 

Ring detect for port 4 disabled

A43

Open

 

Unidentified

CF1

Unidentified

 

Unidentified

CF2

Unidentified

 

Unidentified

CF3

Unidentified

Note: If multiple boards are installed in a system, only one board should have W1 closed.

LINE TYPE

Setting

A11

A12

A13

A21

A22

A23

A31

A32

A33

»

Loop Start

Open

Closed

Closed

Open

Closed

Closed

Open

Closed

Closed

 

Ground Start

Open

Closed

Closed

Open

Closed

Closed

Open

Closed

Closed

 

DID

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

 

E & M Type 1A

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

 

E & M Type 1B

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

 

E & M Type 2A

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

 

E & M Type 2B

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

 

E & M Type 4A

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

 

E & M Type 4B

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

 

E & M Type 5A

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

 

E & M Type 5B

Closed

Open

Open

Closed

Open

Open

Closed

Open

Open

LINE TYPE (CON’T)

Setting

A41

A42

A43

B11

B12

B13

B21

B22

B23

»

Loop Start

Open

Closed

Closed

Open

Open

Open

Open

Open

Open

 

Ground Start

Open

Closed

Closed

Closed

Open

Closed

Closed

Open

Closed

 

DID

Closed

Open

Open

Open

Open

Open

Open

Open

Open

 

E & M Type 1A

Closed

Open

Open

Open

Closed

Open

Open

Closed

Open

 

E & M Type 1B

Closed

Open

Open

Open

Open

Open

Open

Open

Open

 

E & M Type 2A

Closed

Open

Open

Open

Closed

Open

Open

Closed

Open

 

E & M Type 2B

Closed

Open

Open

Open

Open

Open

Open

Open

Open

 

E & M Type 4A

Closed

Open

Open

Open

Closed

Open

Open

Closed

Open

 

E & M Type 4B

Closed

Open

Open

Open

Open

Open

Open

Open

Open

 

E & M Type 5A

Closed

Open

Open

Open

Closed

Open

Open

Closed

Open

 

E & M Type 5B

Closed

Open

Open

Open

Open

Open

Open

Open

Open

LINE TYPE (CON’T)

Setting

B31

B32

B33

B41

B42

B43

W9

W13

Battery

»

Loop Start

Open

Open

Open

Open

Open

Open

Closed

Closed

Not installed

 

Ground Start

Closed

Open

Closed

Closed

Open

Closed

Closed

Closed

Not installed

 

DID

Open

Open

Open

Open

Open

Open

Open

Open

Installed

 

E & M Type 1A

Open

Closed

Open

Open

Closed

Open

Closed

Closed

Not installed

 

E & M Type 1B

Open

Open

Open

Open

Open

Open

Closed

Closed

Not installed

 

E & M Type 2A

Open

Closed

Open

Open

Closed

Open

Closed

Closed

Not installed

 

E & M Type 2B

Open

Open

Open

Open

Open

Open

Closed

Closed

Not installed

 

E & M Type 4A

Open

Closed

Open

Open

Closed

Open

Closed

Closed

Not installed

 

E & M Type 4B

Open

Open

Open

Open

Open

Open

Closed

Closed

Not installed

 

E & M Type 5A

Open

Closed

Open

Open

Closed

Open

Closed

Closed

Not installed

 

E & M Type 5B

Open

Open

Open

Open

Open

Open

Closed

Closed

Not installed

BASE I/O ADDRESS

Setting

SW1/1

SW1/2

SW1/3

 

100h

Off

Off

On

 

180h

Off

On

Off

 

1A0h

On

Off

Off

 

1C0h

On

On

Off

 

280h

Off

On

On

 

2A0h

On

Off

On

 

2C0h

On

On

On

»

340h

Off

Off

Off

INTERRUPT

Setting

W2

W3

W4

W5

W6

W7

 

IRQ3

Open

Closed

Open

Open

Open

Open

 

IRQ4

Open

Open

Closed

Open

Open

Open

»

IRQ5

Open

Open

Open

Closed

Open

Open

 

IRQ6

Open

Open

Open

Open

Closed

Open

 

IRQ7

Open

Open

Open

Open

Open

Closed

 

IRQ9

Closed

Open

Open

Open

Open

Open

Note: If multiple boards are installed in a system, assign them all the same IRQ.