Appendix B. Connector Pinouts

This appendix provides pin assignment information for non-proprietary connectors on the following components:

SGI Origin 300 Base Module

Table B-1 lists the non-proprietary connectors that are located on the rear panel of the SGI Origin 300 base module (refer to Figure B-1). The third column of the table indicates where you can find the pin assignments for these connectors.

Table B-1. SGI Origin 300 Base Module Connectors

Port

Connector

Pin Assignments

Serial ports 1 and 2

DB9

Refer to Figure B-6

 

L1 console port

DB9

Refer to Figure B-6

 

Ethernet port

RJ-45

Refer to Figure B-7

 

External SCSI port

SCSI 68-pin VHDCI

Refer to Figure B-8

  and Table B-4

 

RT interrupt input and output ports

Stereo jack

Refer to Figure B-9

  and Table B-5

 

USB ports 1 and 2

USB type A

Refer to Figure B-10

  and Table B-6

 

USB L1 port

USB type B

Refer to Figure B-11

  and Table B-7

 

Figure B-1. Rear Panel of Origin 300 Base Module

Rear Panel of Origin 300 Base Module

L2 Controller

Table B-2 lists the non-proprietary connectors that are located on the rear panel of the L2 controller (refer to Figure B-2). The third column of the table indicates where you can find the pin assignments for these connectors.

Table B-2. L2 Controller Connectors

Port

Connector

Pin Assignments

Console (serial port)

DB9

Refer to Figure B-6

 

Modem (serial port)

DB9

Refer to Figure B-6

 

Ethernet port

RJ-45

Refer to Figure B-7

 

L1 ports (four ports)

USB type A

Refer to Figure B-10

 and Table B-6

 

Figure B-2. Rear Panel of L2 Controller

Rear Panel of L2 Controller

NUMAlink Module

Figure B-3 shows the L1 port (USB type B connector) that is located on the rear panel of the NUMAlink module. For the pin number locations of the connector, refer to Figure B-11; Table B-7 lists the pin assignments.

Figure B-3. Rear Panel of NUMAlink Module

Rear Panel of NUMAlink Module

SGI Total Performance 900 (TP900) Storage Module

Figure B-4 shows the two SCSI port connectors that are located on the rear panel of the TP900 storage module. Figure B-8 shows how the pin numbers are distributed on the SCSI connector, and Table B-4 lists the pin assignments.

Figure B-4. Rear Panel of TP900 Storage Module

Rear Panel of TP900 Storage Module

USB Hub

Table B-3 lists the connectors that are located on the USB hub (refer to Figure B-5).

Table B-3. USB Hub Connectors

Connectors

Pin Number Locations

Pin Assignments

USB type A

Refer to Figure B-10

 

Refer to Table B-6

 

USB type B

Refer to Figure B-11

 

Refer to Table B-7

 



Note: The USB hub might look different than the one shown in Figure B-5.

Figure B-5. USB Hub Connectors

USB Hub Connectors

DB9 Connector

Figure B-6 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 base module. It is also used as the console and modem ports of the L2 controller.

Figure B-6. DB9 Pin Assignments

DB9 Pin Assignments

RJ-45 Connector

Figure B-7 shows the pin assignments for the RJ-45 connector that is located on the rear panel of the SGI Origin 300 base module and L2 controller.

Figure B-7. RJ-45 Connector Pin Assignments

RJ-45 Connector Pin Assignments

External SCSI Port Connector

Figure B-8 shows the external SCSI VHDCI connector pin locations for the external SCSI connector. This connector is used on the SGI Origin 300 base module and TP900 storage module. Table B-4 lists the pin assignments for this SCSI connector.

Figure B-8. External SCSI Port Pin Number Locations

External SCSI Port Pin Number Locations

Table B-4. 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-9 shows the stereo jack connector conductors that are used for the RT interrupt input and RT interrupt output ports of the SGI Origin 300 base module. Table B-5 lists the conductor assignments for the stereo jack connector.

Figure B-9. Stereo Jack Connector Conductors

Stereo Jack Connector Conductors

Table B-5. 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-10 shows the USB type A connector that is used for USB ports 1 and 2 of the Origin 300 base module and the four USB ports on the USB hub that connect to the Origin 300 base module. Table B-6 lists the pin assignments.

Figure B-10. USB Type A Connector Pin Number Locations

USB Type A Connector Pin Number Locations

Table B-6. 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-11 shows the USB type B connector that is used for the USB L1 port of the Origin 300 base module, the L1 port on the NUMAlink module, and the port connector on the USB hub that connects to the L2 controller. Table B-7 lists the pin assignments.

Figure B-11. USB Type B Connector Pin Number Locations

USB Type B Connector Pin Number Locations

Table B-7. USB Type B Connector Pin Assignments

Signal

Color

Pin Number

VCC

Red

1

-Data

White

2

+Data

Green

3

Ground

Black

4