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 (CONT) | ||||||||||
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 (CONT) | ||||||||||
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. |