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