Hewlett-Packard 700 Manual

A SERVICE OF

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11-7

Company confidential. Murillo/Ravillo User’s Guide. Final Freeze Status: Frozen

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Interface Specifications

Below are the parallel and serial interface specifications.

Parallel (Bi-Tronics/Centronics)

Interface

Pin Wire/Signal Name Source

I

n

t

er

f

ace

The connector on the plotter is

1 Strobe computer

The

connector

on

the

plotter

is

36-pin female.

2 ... 9 D0 ... D7 (data lines) both

p

Most existing parallel cables s pport

10 Ack plotter

Most

existing

parallel

cables

s

u

pport

Bi-Tronics communication, but for

11 Busy plotter

use with this plotter, the cable

must

meet the specification in this table

12 PError plotter

meet

the

specification

in

this

table

.

13 Select (SelectOut) plotter

14 AutoFd computer

16 GND

19 ... 30 GND

31 Init computer

32 Fault plotter

36 SelectIn computer

Serial (RS-232-C) Interface

Pin Wire/Signal Name Source

The connector on the

p

lotter is 25

p

in

1 Protective Ground

The

connector

on

the

plotter

is

25

-

pin

female.

2 Transmitted Data DTE

The

p

lotter is configured as DTE (data

3 Received Data DCE

The

lotter

is

configured

as

DTE

(data

terminal equipment).

4 Request to Send DTE

q)

Data is transmitted on Pin 2 and

6 Data Set Ready DCE

Data

is

transmitted

on

Pin

2

and

received on Pin 3.

7 Signal Ground

20 Data Terminal Ready DTE

Reference

Interface Specifications

REFERENCE

11