DFLEX-4/104 IO card Settings and Configuration

Card Type	Serial
Chipset	16550
I/O Options	Serial ports (4)
Data Bus	8-bit PC/104

CONNECTIONS
Function	Label	Function	Label
RS-232, RS-422, RS-485, or current loop serial port 2	CN1	DC power in (see pinout below)	CN5
RS-232, RS-422, RS-485, or current loop serial port 4	CN2	Serial interface module for ports 1 & 2	SL1
RS-232, RS-422, RS-485, or current loop serial port 3	CN3	Serial interface module for ports 3 & 4	SL2
RS-232, RS-422, RS-485, or current loop serial port 1	CN4
Note:Standard serial ports are provided on an adapter cable. The type of serial port is determined by the module installed in SL1 and SL2.

CN5 PINOUT
Function	Pin	Function	Pin
Ground	1	-5V DC power in (not used)	5
+5V DC power in	2	-12V DC power in	6
Not used	3	Ground	7
+12V DC power in	4	+5V DC power in	8

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Factory configured - do not alter	JP1	Pins 1 & 2 closed
»	Factory configured - do not alter	JP1	Pins 3 & 4 closed

SERIAL PORT ADDRESS SELECTION
Port 1		Port 2	Port 3	Port 4	JP1
»	200h	208h	210h	218h	Pins 21 & 22, 23 & 24, 25 & 26 closed
	240h	248h	250h	258h	Pins 23 & 24, 25 & 26 closed
	280h	288h	290h	298h	Pins 21 & 22, 25 & 26 closed
	2C0h	2C8h	2D0h	2D8h	Pins 25 & 26 closed
	3F8h (COM1:)	2F8h (COM2:)	3E8h (COM3:)	2E8h (COM4:)	Pins 21 & 22, 23 & 24 closed
	2B0h	2B8h	2C0h	2C8h	Pins 23 & 24 closed
	290h	298h	2A0h	2A8h	Pins 21 & 22 closed
	190h	198h	1A0h	1A8h	Pins 21 & 22, 23 & 24, 25 & 26 open

INTERRUPT SELECTION
Setting		JP1
	IR/FONT>	Pins 13 & 15 closed
	IRQ3	Pins 11 & 13 closed
»	IRQ4	Pins 7 & 9 closed
	IRQ5	Pins 5 & 7 closed