Appendix B. Connector Pinouts

This appendix provides pin assignment information for non-proprietary connectors on the SGI Origin 300 server (refer to Table B-1 and Figure B-1).

Table B-1. SGI Origin 300 Server Connectors

Port

Connector

Pin Assignments

Serial ports 1 and 2

DB9

Refer to “DB9 Connector”

 

L1 console port

DB9

Refer to “DB9 Connector”

 

Ethernet port

RJ-45

Refer to “RJ-45 Connector”

 

External SCSI port

SCSI 68-pin VHDCI

Refer to “External SCSI Port Connector”

 

RT interrupt input and output ports

Stereo jack

Refer to “Stereo Jack Connector Conductor”

 

USB ports 1 and 2

USB type A

Refer to “USB Type A Connector”

 

USB L1 port

USB type B

Refer to “USB Type B Connector”

 

Figure B-1. Rear Panel of Origin 300 Server

Rear Panel of Origin 300 Server

DB9 Connector

Figure B-2 shows the DB9 connector pin assignments. This connector is used for the L1 console port and serial ports 1 and 2 of the Origin 300 server.

Figure B-2. DB9 Pin Assignments

DB9 Pin Assignments

RJ-45 Connector

Figure B-3 shows the pin assignments for the RJ-45 connector.

Figure B-3. RJ-45 Connector Pin Assignments

RJ-45 Connector Pin Assignments

External SCSI Port Connector

Figure B-4 shows the external SCSI VHDCI connector pin locations for the external SCSI connector. Table B-2 lists the pin assignments for this SCSI connector.

Figure B-4. External SCSI Port Pin Number Locations

External SCSI Port Pin Number Locations

Table B-2. SCSI VHDCI Pin Assignments

Pin Number

Signal Name

Pin Number

Signal Name

1

+DB (12)

35

-DB (12)

2

+DB (13)

36

-DB (13)

3

+DB (14)

37

-DB (14)

4

+DB (15)

38

-DB (15)

5

+DB (P1)

39

-DB (P1)

6

+DB (0)

40

-DB (0)

7

+DB (1)

41

-DB (1)

8

+DB (2)

42

-DB (2)

9

+DB (3)

43

-DB (3)

10

+DB (4)

44

-DB (4)

11

+DB (5)

45

-DB (5)

12

+DB (6)

46

-DB (6)

13

+DB (7)

47

-DB (7)

14

+DB (P0)

48

-DB (P0)

15

Ground

49

Ground

16

DIFFSENS

50

Ground

17

TERMPWR

51

TERMPWR

18

TERMPWR

52

TERMPWR

19

Reserved

53

Reserved

20

Ground

54

Ground

21

+ATN

55

-ATN

22

Ground

56

Ground

23

+BSY

57

–BSY

24

+ACK

58

–ACK

25

+RST

59

–RST

26

+MSG

60

–MSG

27

+SEL

61

–SEL

28

+CD

62

–CD

29

+REQ

63

–REQ

30

+IO

64

–IO

31

+DB (8)

65

-DB (8)

32

+DB (9)

66

-DB (9)

33

+DB (10)

67

-DB(10)

34

+DB (11)

68

-DB (11)


Stereo Jack Connector Conductor

Figure B-5 shows the stereo jack connector conductors that are used for the RT interrupt input and RT interrupt output ports of the Origin 300 server. Table B-3 lists the conductor assignments for the stereo jack connector.

Figure B-5. Stereo Jack Connector Conductors

Stereo Jack Connector Conductors

Table B-3. Stereo Jack Connector Conductor Assignments

Conductor

Function

Tip

Interrupt (active low)

Ring

+5 V

Sleeve

Chassis ground and cable shield


USB Type A Connector

Figure B-6 shows the USB type A connector pin number locations and Table B-4 lists the pin assignments.

Figure B-6. USB Type A Connector Pin Number Locations

USB Type A Connector Pin Number Locations

Table B-4. USB Type A Connector Pin Assignments

Signal

Color

Pin Number

VCC

Red

1

-Data

White

2

+Data

Green

3

Ground

Black

4


USB Type B Connector

Figure B-7 shows the USB type B connector pin number locations and Table B-5 lists the pin assignments.

Figure B-7. USB Type B Connector Pin Number Locations

USB Type B Connector Pin Number Locations

Table B-5. USB Type B Connector Pin Assignments

Signal

Color

Pin Number

VCC

Red

1

-Data

White

2

+Data

Green

3

Ground

Black

4