Epson 4+ User Manual

EPSON Equity 4+

battery

I

CN3

diskette
drive

drive bays

pin 13

pin 1

I

I

 25

 14

Pin

Signal

Pin Signal

1

10

ACK’

2

Data 0

11

Busy

Pin Signal
19

Signal ground

20

Signal ground

3

Data 1

4

Data 2

5

Data 3

6

Data 4

12

PE

21

Signal ground

13

Select

22

Signal ground

14

Auto’

23

Signal ground

15

24

Signal ground

7

Data 5

16

25

Signal ground

8

Data 6

17

9

Data 7

18

 ground

*Active low logic

Pin

Signal

Pin

Signal

1

Data carrier detect

6

Data 

 ready

2

Receive data

7

Request to send

3

Transmit data

8

Clear to send

4

Data terminal ready

9

Ring indicator

5

Not used

pin 6

pin 5

pin 4 

 pin 3

pin 2

pin 1

Although the keyboard and mouse connectors are physically

identical, they cannot be used interchangeably.

Pin

Signal

Pin

Signal

1

Data

4

 

 (fused)

2

Resewed

5

Clock

3

Ground

6

Reserved

Din 5

pin 10

pin 15

pin 1

pin 6

pin 11