Input/Output Interfaces

5.5.5 Parallel Interface Connector

Figure 5-5 and Table 5-15 show the connector and pinout of the parallel interface connector. Note that some signals are redefined depending on the port's operational mode.

Figure 5-5. Parallel Interface Connector (Female DB-25 as viewed from rear of chassis)

Table 5-15.

DB-25 Parallel Connector Pinout

Pin

Signal

Function

Pin

Signal

Function

 

 

 

 

 

 

1

STB-

Strobe / Write [1]

14

LF-

Line Feed [2]

 

 

 

 

 

 

2

D0

Data 0

15

ERR-

Error [3]

 

 

 

 

 

 

3

D1

Data 1

16

INIT-

Initialize Paper [4]

 

 

 

 

 

 

4

D2

Data 2

17

SLCTIN-

Select In / Address. Strobe [1]

 

 

 

 

 

 

5

D3

Data 3

18

GND

Ground

 

 

 

 

 

 

6

D4

Data 4

19

GND

Ground

 

 

 

 

 

 

7

D5

Data 5

20

GND

Ground

 

 

 

 

 

 

8

D6

Data 6

21

GND

Ground

 

 

 

 

 

 

9

D7

Data 7

22

GND

Ground

 

 

 

 

 

 

10

ACK-

Acknowledge / Interrupt [1]

23

GND

Ground

 

 

 

 

 

 

11

BSY

Busy / Wait [1]

24

GND

Ground

 

 

 

 

 

 

12

PE

Paper End / User defined [1]

25

GND

Ground

 

 

 

 

 

 

13

SLCT

Select / User defined [1]

--

--

--

 

 

 

 

 

 

NOTES:

[1]Standard and ECP mode function / EPP mode function

[2]EPP mode function: Data Strobe

ECP modes: Auto Feed or Host Acknowledge

[3]EPP mode: user defined

ECP modes:Fault or Peripheral Req.

[4]EPP mode: Reset

ECP modes: Initialize or Reverse Req.

Technical Reference Guide

361834-002

5-17