3. interfaces, Serial port – GoDEX EZ1100Plus series User Manual

Page 7

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EZ1000 Plus User Manual

3

1-3. Interfaces

Parallel port
Handshaking

: DSTB is sent to the printer, BUSY to the host computer

Interface

cable

: Parallel cable compatible with IBM computers

Pinout

: See below

Pin No.

Function

Data source

1

2–9

10

11

12

13

14

15

16

17

18

19–30

31

32

33

34–35

36

/Strobe

Data 0-7

/Acknowledge

Busy

/Paper empty

/Select

/Auto-Linefeed

N/C

Signal Gnd

Chassis Gnd

+5V, max 500mA

Signal Gnd

/Initialize

/Error

Signal Ground

N/C

/Select-in

Computer / printer

Computer

Printer

Printer

Printer

Printer

Computer / printer

Computer

Computer / printer

Printer

Computer / printer

Serial port

Default

settings

: Baud rate 9600, no parity, 8 data bits, 1 stop bit, XON/XOFF protocol

and RTS/CTS

RS232 housing (9-pin to 9-pin)

DB9 socket

DB9 plug

---

1 1

+5V, max 500mA

RXD

2 2

TXD

TXD

3 3

RXD

DTR

4 4

N/C

GND

5 5

GND

DSR

6 6

RTS

RTS

7 7

CTS

CTS

8 8

RTS

RI

9 9

N/C

Computer

Printer

Note

The total current to the parallel and serial ports may not exceed 500 mA.

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