Fujitsu DL3700 User Manual - Page 212

IMERFACE

INFORMATION

Data

Transmission

Timing

The

Centronics

interface

of

this

printer

guarantees

the

received

data

when

the

Data

and

Data

Strobe

signals

from

the

computer

have

the

following

timing

with

respect

to

the

Busy

and

Acknowledge

signals

from

the

printer.

Data

1

to

Data

8

--I

Data

Strobe

BUSY

Acknowledge

SERIAL

INTERFACE

T1

T4

T2

T3

lo.

T1,

T2,

T3

>

1

ps

T4

<

1

ps

0

ps

<T5<3ps

2

ps

<T6

<6

ps

T5

6

I

P.

RS

-232C

is

the

standard

serial

interface

for

data

terminal

equipment.

The

cable

connector

at

the

printer

side

should

be

a

D

-subminiature

Cannon

or

Cinch

DB-25P

male

connector

or

equivalent

that

conforms

to

EIA

standards.

The

table

that

follows

shows

the

pin

assignments

commonly

used

by

most

computers.

In

the

table:

•

"Input"

denotes

a

signal

from

the

computer

to

the

printer.

•

"Output"

denotes

a

signal

from

the

printer

to

the

computer.

*we

•

The

signal

level

for

mark

state

(logical

1)

is

-3

V

or

lower;

for

space

state

(logical

0),

it

is

+3

V

or

higher.

D-4

User's

Manual

Fujitsu DL3700 User Manual - Page 212

Imerface, Information, Serial, Interface

Page 212 highlights