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Printronix L1524 User Manual

Page 128

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B–12

Host I/O Interfaces

Table B–6. RS–422 Serial Interface Pin Assignments

Type of Mode

Pin

Source of Data

Compatible

Nibble

Byte

1

Host

nStrobe

HostClk

Host/Clk

2

Host/Printer

Data 1 (LSB)

3

Host/Printer

Data 2

4

Host/Printer

Data 3

5

Host/Printer

Data 4

6

Host/Printer

Data 5

7

Host/Printer

Data 6

8

Host/Printer

Data 7

9

Host/Printer

Data 8 (MSB)

10

Printer

nAck

PtrClk

PtrClk

11

Printer

Busy

PtrBusy

PtrBusy

12

Printer

PError

AckDataReq

AckDataReq

13

Printer

Select

Xflag

Xflag

14

Host

nAutoFd

Host Busy

Host Ack

15

Not Defined

16

Logic Grid

17

Chassis Grid

18

Printer

Peripheral Logic High

19

Printer

Signal Ground (nStrobe)

20

Printer

Signal Ground (Data 1)

21

Printer

Signal Ground (Data 2)

22

Printer

Signal Ground (Data 3)

23

Printer

Signal Ground (Data 4)

24

Printer

Signal Ground (Data 5)

25

Printer

Signal Ground (Data 6)

See also other documents in the category Printronix Printers: