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7/23/2019 Cong Printercable

1/5

Parallel cables pinout and port info

Parallel connector pin assignment

Printer cable

Interlink cable

Windows 95/98/ME DCC

Parallel test plugs

Parallel cables

Standard parallel cables are eas to obtain! but t"e link cable and test connectors w"ic" are

s"own "ere can o#ten be better soldered b oursel#$

Parallel connector pinout

%"e parallel port socket on our computer uses &5 pins$ 'n most perip"erals like printers! t"e ()pins Centronics *ersion is used$ +ot" connector pinouts are s"own "ere$ %"e centronics socket is

named a#ter t"e compan t"at introduced t"e #irst dot matri, printer in -9.! but a#ter I+M and

Epson took o*er t"e dot matri, printer market 0later #ollowed b 1ewlett Packard in t"e laser and

desk2et printer segment3 most people onl associate t"e word centronicswit" t"e port inter#aceitsel#! not wit" a manu#acturer$

Parallel D+&5 pinout Centronics pinout
http://www.lammertbies.nl/comm/cable/parallel.html#pinshttp://www.lammertbies.nl/comm/cable/parallel.html#pinshttp://www.lammertbies.nl/comm/cable/parallel.html#prnthttp://www.lammertbies.nl/comm/cable/parallel.html#intrhttp://www.lammertbies.nl/comm/cable/parallel.html#intrhttp://www.lammertbies.nl/comm/cable/parallel.html#testhttp://www.lammertbies.nl/comm/cable/parallel.html#testhttp://www.lammertbies.nl/comm/cable/parallel.html#prnthttp://www.lammertbies.nl/comm/cable/parallel.html#intrhttp://www.lammertbies.nl/comm/cable/parallel.html#intrhttp://www.lammertbies.nl/comm/cable/parallel.html#testhttp://www.lammertbies.nl/comm/cable/parallel.html#pins


2/5

Parallel printer cable

Most printers are connected to a computer using a cable wit" a &5 pins D+ male connector at one

side and a () pins centronicsconnector on t"e ot"er$ %"e normal wa to make suc" a cable iss"own "ere$

Parallel printer cable

LineDB 25 male

(computer)

Centronics

(printer)

Strobe - -

Data bit & &

Data bit - ( (

Data bit & 4 4

Data bit ( 5 5

Data bit 4 ) )

Data bit 5 . .

Data bit ) 8 8

Data bit . 9 9

cknowledge - -

+us -- --

Paper out -& -&

Select -( -(


3/5

uto#eed -4 -4

Error -5 (&

6eset -) (-

Select -. ()

Signal ground -8 ((

Signal ground -9 -9 7 &

Signal ground & &- 7 &&

Signal ground &- &( 7 &4

Signal ground && &5 7 &)

Signal ground &( &.

Signal ground &4 &8 7 &9

Signal ground &5 -) 7 (

S"ield Co*er Co*er 7 -.

Interlink and Windows 959!"# DCC parallel cable

%"e #ollowing parellel cable can be used wit" #ile trans#er and network programs like apink

and Interink$ %"e cable uses t"e parallel port w"ic" makes it possible to ac"ie*e "ig"ert"roug"put t"an wit" a serial connection at t"e same low costs$ %"e cable is amongst ot"ers

compatible wit" t"e #ollowing so#tware$

aplink #rom %ra*elling so#tware

MSD'S * )$,, Interink

Windows 95! 98 and ME direct cable connection

:orton Commander

:orton ;"ost

+ecause t"e parallel port on a computer was mainl designed to connect printers wit" onewacommunication! a trick is used to ac"ie*e #ull two wa data trans#er between bot" sides$


4/5

Connector $ Connector 2 Description

& -5 Data bit Error ( -( Data bit - Select

4 -& Data bit & Paper 'ut

5 - Data bit ( cknowledge

) -- Data bit 4 +us

- 5 cknowledge Data bit (

-- ) +us Data bit 4

-& 4 Paper 'ut Data bit &

-( ( Select Data bit -

-5 & Error Data bit

&5 &5 Signal ground

Parallel port test plu%s

+ot" :orton Diagnostics and C"eckIt "a*e t"e abilit to c"eck t"e #unctionalit o# a parallelport$ %o do t"is! bot" so#tware packages need a special plug on t"e port$ =n#ortunatel! t"e pin

laout o# bot" connectors is not t"e same$ %"e sc"eme o# bot" sockets is gi*en "ere$

:orton test plug C"eckIt test plug


5/5

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