Appendix A. Cable Pinout Assignments
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Appendix A. Cable Pinout Assignments

This appendix contains cable pinout information for the following ports located on the back of the Indigo2 workstation:

Serial Ports

Figure A-1. Serial Port Pinout Assignments


Table A-1 and Table A-2 show cable pinout assignments for the serial ports.

Table A-1. 4D Compatible Pin Assignments (RS-232)

Pin

Assignment

Description

1

DTR

Data Terminal Ready

2

CTS

Clear To Send

3

TD

Transmit Data

4

SG

Signal Ground

5

RD

Receive Data

6

RTS

Request To Send

7

DCD

Data Carrier Detect

8

SG

Signal Ground

Table A-2. Macintosh SE Compatible Pin Assignments (RS-422)

Pin

Assignment

Description

1

HSKo

Output Handshake

2

HSKi

Input Handshake Or External Clock

3

TxD–

Transmit Data –

4

GND

Signal Ground

5

RxD–

Receive Data –

6

TxD+

Transmit Data +

7

GPi

General Purpose Input

8

RxD+

Receive Data +


Parallel Port

Figure A-2. Parallel Port Pinout Assignments


Table A-3 shows the cable pinout assignments for the parallel port.

Table A-3. Parallel Port (25-pin DSUB Connector)

Pin

Assignment

1

STROBE

2

DATA(0)

3

DATA(1)

4

DATA(2)

5

DATA(3)

6

DATA(4)

7

DATA(5)

8

DATA(6)

9

DATA(7)

10

ACK

11

BUSY

12

PE (Paper End)

13

SELECT

14

AUTOFEED

15

ERROR/FAULT

16

INIT/RESET

17

SELECT-IN (Direction)

18

GROUND

19

GROUND

20

GROUND

21

GROUND

22

GROUND

23

GROUND

24

GROUND

25

GROUND


Ethernet AUI

Figure A-3. Ethernet AUI Port Pinout Assignments


Table A-4 shows the cable pinout assignments for the Ethernet AUI port.

Table A-4. Ethernet AUI Port (Thicknet)

Pin

Assignment

1

GROUND

2

COLLISION+

3

TRANSMIT+

4

GROUND

5

RECEIVE+

6

GROUND

7

(Reserved)

8

GROUND

9

COLLISION-

10

TRANSMIT-

11

GROUND

12

RECEIVE-

13

+12V

14

GROUND

15

(Reserved)


Keyboard

Figure A-4. Keyboard Port Pinout Assignments


Table A-5 shows the cable pinout assignments for the keyboard ports on the keyboard.

Table A-5. Keyboard Port (6-pin MINIDIN on the keyboard))

Pin

Assignment

1

KEYBOARD TRANSMIT

2

MOUSE TRANSMIT

3

GROUND

4

KEYBOARD POWER (+5V)

5

KEYBOARD RECEIVE

6

(Reserved)


SCSI Port

Figure A-5. SCSI Port Pinout Assignments


Table A-6 shows the cable pinout assignments for the SCSI port.

Table A-6. SCSI Port

Pin

Assignment

1

GROUND

2

GROUND

3

GROUND

4

GROUND

5

GROUND

6

GROUND

7

GROUND

8

GROUND

9

GROUND

10

GROUND

11

GROUND

12

Reserved

13

Open

14

Reserved

15

GROUND

16

GROUND

17

GROUND

18

GROUND

19

GROUND

20

GROUND

21

GROUND

22

GROUND

23

GROUND

24

GROUND

25

GROUND

26

DB(0)

27

DB(1)

28

DB(2)

29

DB(3)

30

DB(4)

31

DB(5)

32

DB(6)

33

DB(7)

34

DB(P)

35

GROUND

36

GROUND

37

Reserved

38

TERMPWR

39

Reserved

40

GROUND

41

ATN

42

GROUND

43

BSY

44

ACK

45

RST

46

MSG

47

SEL

48

C/D

49

REQ

50

I/O


Audio

Table A-7 shows the cable pinout assignments for the audio ports.

Table A-7. Audio Ports

Connector

Tip

Ring

Sleeve

Digital Input/Output

Out

In

GROUND

Headphone Output

L

R

GROUND

Line Output

L

R

GROUND

Line Input

L

R

GROUND

Microphone Input

L

R

GROUND


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