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.