CONNECTIONS
Purpose	Location	Purpose	Location
Line out	CN1	Volume	R1
Line in	CN2

MULTI-LINE INSTALLATION
Setting	J1
» Single modem	Off
Multi-line	On

TRANSMISSION FORMAT
Setting	J2
» 10-bit	Off
11-bit	On

RESET
Setting	J14
» Enabled	Off
Disabled	N/A

FACTORY CONFIGURED SETTINGS
Jumper	Setting
J3	On

BASE I/O ADDRESS SELECTION
Port	J10	J11
COM1: (3F8h)	Pins 2 & 3 closed	Off
COM2: (2F8h)	Pins 2 & 3 closed	On
COM3: (3E8h)	Pins 1 & 2 closed	Off
COM4: (2E8h)	Pins 1 & 2 closed	ON

INTERRUPT SELECTION
IRQ	J12
3	Pins 2 & 3 closed
4	Pins 1 & 2 closed

AUTO ANSWER
Setting	SW1/1
» Off	Modem answers on first ring
On	Modem does not answer on first ring

CARRIER DETECT
Setting	SW1/2
» Off	CD normal
On	CD forced high

PBX MODE
Setting	SW1/3
» Off	Normal dial up line equalization
On	PBX operation

DTR SIGNAL
Setting	SW1/4
» Off	DTR normal
On	DTR forced high