Xerox 340 Manuale Utente

3

nAck/PtrClk

21

Printer

C mode:  Negative true = data

transfer acknowledge

N mode:  Data qualifier

4

nFault/nDataAvail

22

Printer

C mode:  Negative true = printer

fault exists that prevents
printing

N mode:  Negative low = data ready,

then data bits 0 then 4

5

PError/AckDataReq

23

Printer

C mode:  Positive true = printer error

exists, such as media tray
empty

N mode:  Data bits 2 then 6

6

Data 1

24

Host

C mode:  Positive true data input

N mode:  Not used

7

Data 2

25

Host

C mode:  Positive true data input

N mode:  Not used

8

Data 3

26

Host

C mode:  Positive true data input

N mode:  Not used

9

Data 4

27

Host

C mode:  Positive true data input

N mode:  Not used

10

Data 5

28

Host

C mode:  Positive true data input

N mode:  Not used

11

Data 6

29

Host

C mode:  Positive true data input

N mode:  Not used

12

Data 7

30

Host

C mode:  Positive true data input

N mode:  Not used

13

Data 8

31

Host

C mode:  Positive true data input

N mode:  Not used