Reference

Interface Specifications

Interface Specifications

Below are the parallel and serial interface specifications.

Parallel (Bi-Tronics/Centronics)

Pin

 

Wire/Signal Name

Source

Interface

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Strobe

computer

The connector on the plotter is

 

 

 

 

 

 

 

 

 

 

 

2 ... 9

 

D0 ... D7 (data lines)

both

36-pin female.

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

plotter

Most existing parallel cables support

Ack

 

 

 

 

 

 

 

 

 

 

11

 

Busy

plotter

Bi-Tronics communication, but for

 

 

 

 

 

 

 

 

 

 

 

use with this plotter, the cable must

12

 

PError

plotter

meet the specification in this table.

 

 

 

 

 

 

 

 

 

 

13

 

Select (SelectOut)

plotter

 

 

 

 

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

 

computer

 

AutoFd

 

 

 

 

 

 

 

 

 

16

 

GND

 

 

 

 

 

 

 

 

 

 

19 ... 30

 

GND

 

 

 

 

 

 

 

 

 

 

31

 

 

 

 

 

computer

 

Init

 

 

 

 

 

 

 

 

32

 

 

 

 

 

 

plotter

 

Fault

 

 

 

 

 

 

 

36

 

 

 

 

 

 

 

 

computer

 

SelectIn

 

 

 

 

 

 

 

 

 

 

 

Serial (RS-232-C) Interface

Pin

Wire/Signal Name

Source

 

 

 

 

The connector on the plotter is 25-pin

1

Protective Ground

 

 

 

 

2

Transmitted Data

DTE

female.

 

 

 

The plotter is configured as DTE (data

3

Received Data

DCE

 

 

 

4

Request to Send

DTE

terminal equipment).

 

 

 

Data is transmitted on Pin 2 and

6

Data Set Ready

DCE

 

 

 

7

Signal Ground

 

received on Pin 3.

 

 

 

 

 

 

20

Data Terminal Ready

DTE

 

 

 

 

11REFERENCE

11-7

Page 203
Image 203
HP Design Jet Plotter 750C Plus Interface Specifications, Below are the parallel and serial interface specifications, 11-7