HP 706C Manuel d'utilisateur télécharger pdf (Page 23)

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Please see

Section 5.1

for parallel port cabling information,

Section

5.2

for DB-25 serial port cabling information, or

Section 5.3

for RJ-45

cabling.

Appendix A

provides recommended cabling pinouts.

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Parallel ports on Print Master have DB-25 female connectors. A

straight, DB-25 male-to-male cable is required between each IBM PC

computer (or compatible) and a parallel port on Print Master. A DB-

25 male-to-Centronics cable is required between each printer having

a Centronics connector and Print Master (i.e., IBM PC to Centronics

cable).

CAUTION:

Some standard EIA-232 DB-25 cables may have pin 1

grounded to connector shell. Since Pin 1 is a strobe line in Centronics

protocol, this ground must be removed if the cable is used between a

PC and Print Master.

The pin layout for the DB-25 connector is similar to IBM PC parallel

connector and uses the following signals:

STANDARD TTL LEVELS

SIGNAL DB-25

NAME PIN NO.

- Strobe 1

+ Data Bit 0 2

+ Data Bit 1 3

+ Data Bit 2 4

+ Data Bit 3 5

+ Data Bit 4 6

+ Data Bit 5 7

+ Data Bit 6 8

+ Data Bit 7 9

- Acknowledge 10

+ Busy 11

+ P. End (Out of Paper) 12

+ Select 13

- Auto Feed 14

- Error 15

- Initialize Printer 16

- Select Input 17

Ground 18-25

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 122 123

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HP 706C Manuel d'utilisateur Page 23

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