CONNECT TECH, INC.

DFLEX-4/104

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