Appendix C. Connectors and Cables
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Appendix C. Connectors and Cables

This appendix describes each of the system connectors and shows some of the monitor and keyboard cables that are available. It also describes the system interrupt cable.

Connectors

Table C-1 through Table C-19 and Figure C-18 show the system connectors and their pin assignments.

Table C-1. I/O Panel Connectors - Parallel port 25-pin D-sub receptacle

Description

Pins

Signals

Flow (from chassis)

Parallel port

25-pin D-sub receptacle

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19-25

STB (Data strobe)

Data 0

Data 1

Data 2

Data 3

Data 4

Data 5

Data 6

Data 7

Data ACK

Busy

PE: paper empty

SLCT: select/online

AUTOFD

ERROR

INIT (reset)

NO INK

not connected

GND

 

Figure C-1. Parallel port 25-pin D-sub receptacle

Figure C-1 Parallel port 25-pin D-sub receptacle

Table C-2. I/O Panel Connectors - Ethernet Port 15-pin AUI

Description

Pins

Signals

Flow (from chassis)

Ethernet port

15-pin AUI (Attachment Unit Interface) according to IEEE 802.3 specification.

Pin pairs 2:9, 3:10, and 5:12 are twisted pairs.

Cabling is 9-conductor.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Logic Ground

Collision +

TXD +

Logic Ground

RXD +

Power Return

not used

Logic Ground

Collision –

TXD –

Logic Ground

RXD –

Power (+12V)

Logic Ground

not used

 

two-way

two-way

 

two-way

input

 

 

two-way

two-way

 

two-way

output

 

Figure C-2. Ethernet Port 15-pin AUI

Figure C-2 Ethernet Port 15-pin AUI

Table C-3. I/O Panel Connectors - Serial Port tty1 9-pin D-sub Receptacle

Description

Pins

Signals

Flow (from chassis)

Serial port tty1

9-pin D-sub receptacle.

RS-232 protocol.

Serial ports 0 and 1 provide a choice of this or an 8-pin DIN receptacle. Only one receptacle from each port can be used at a given time.

1

2

3

4

5

6

7

8

9

not used

TXD

RXD

RTS

CTS

GND

GND

DCD

DTR

 

output

input

output

input

 

 

input

output

Figure C-3. Serial Port tty1 9-pin D-sub Receptacle

Figure C-3 Serial Port tty1 9-pin D-sub Receptacle

Table C-4. I/O Panel Connectors - Serial Ports tty2, tty3 for Unpowered Peripherals

Description

Pins

Signals

Flow (from chassis)

Serial ports tty2, tty3 for unpowered peripherals.

9-pin D-sub receptacle.

RS-232 protocol.

Serial ports 0 and 1 provide a choice of this or an 8-pin DIN receptacle. Only one receptacle from each port may be used at a given time.

1

2

3

4

5

6

7

8

9

not used

TXD

RXD

RTS

CTS

GND

GND

DCD

DTR

 

output

input

output

input

 

 

input

output

Figure C-4. Serial Ports tty2, tty3 for Unpowered Peripherals

Figure C-4 Serial Ports tty2, tty3 for Unpowered Peripherals

Table C-5. I/O Panel Connectors - Serial Ports tty2, tty3 for Powered Peripherals

Description

Pins

Signals

Flow (from chassis)

Serials ports tty2, tty3 for powered peripherals.

8-pin DIN receptacle.

1

2

3

4

5

6

7

8

DTR

CTS

Stereo Sync

RXD

TXD

GND

GND

Power +10V

output

input

output

input

output

 

 

output

Figure C-5. Serial Ports tty2, tty3 for Powered Peripherals

Figure C-5 Serial Ports tty2, tty3 for Powered Peripherals

Table C-6. I/O Panel Connectors - Serial Port tty4 RS-422 Protocol

Description

Pins

Signals

Flow (from chassis)

Serial port tty4

RS-422 protocol.

9-pin D-sub receptacle.

1

2

3

4

5

6

7

8

9

DTR

TXD low –[a]

RXD low –[b]

DCD

CTS

GND

aTXD high +

bRXD high +

RTS

output

two-way

two-way

input

input

 

two-way

two-way

output

[a] Pins 2 and 7 must be twisted pair in cable.

[b] Pins 3 and 8 must be twisted pair in cable.

Figure C-6. Serial Port tty4 RS-422 Protocol

Figure C-6 Serial Port tty4 RS-422 Protocol

Table C-7. I/O Panel Connectors - System Interrupt IN Ports 0, 1

Description

Pins

Signals

Flow (from chassis)

System Interrupt IN ports 0, 1

tip

ring

sleeve

Interrupt

Power +5V

Shield

input

Figure C-7. System Interrupt IN Ports 0, 1

Figure C-7 System Interrupt IN Ports 0, 1

Table C-8. I/O Panel Connectors - System Interrupt OUT Ports 0, 1, 2, 3

Description

Pins

Signals

Flow (from chassis)

System Interrupt OUT ports 0, 1, 2, 3

tip

ring

sleeve

Interrupt

Power +5V

Shield

output

Figure C-8. System Interrupt OUT Ports 0, 1, 2, 3

Figure C-8 System Interrupt OUT Ports 0, 1, 2, 3

Table C-9. I/O Panel Connectors - Keyboard/Mouse Port 0

Description

Pins

Signals

Flow (from chassis)

Keyboard/mouse port 0

6-pin receptacle

1

2

3

4

5

6

KBD_RXD

MOUSE_RXD

SIG GND

Power +12V

KBD_TXD

not used

input

input

 

output

output

Figure C-9. Keyboard/Mouse Port 0

Figure C-9 Keyboard/Mouse Port 0

Table C-10. Video Panel Connectors - Swap Ready Port

Description

Pins

Signals

Flow (from chassis)

Swap Ready port

BNC receptacle

Impedance 75 Ohm

center

shield

SWAP_READY

Chassis Ground

two-way

Figure C-10. Swap Ready Port

Figure C-10 Swap Ready Port

Table C-11. Video Panel Connectors - Frame Grab Port

Description

Pins

Signals

Flow (from chassis)

Frame Grab port

BNC receptacle

Impedance 75 Ohm

center

shield

FRAME_GRAB

Chassis Ground

input

Figure C-11. Frame Grab Port

Figure C-11 Frame Grab Port

Table C-12. Video Panel Connectors - Composite Video Ports A, B

Description

Pins

Signals

Flow (from chassis)

Composite video ports A, B

BNC receptacle

Impedance 75 Ohm

center

 

shield

CMPST_A or

CMPST_B

Chassis Ground

output

Figure C-12. Composite Video Ports A, B

Figure C-12 Composite Video Ports A, B

Table C-13. Video Panel Connectors - S-VIDEO Ports A, B

Description

Pins

Signals

Flow (from chassis)

S-VIDEO ports A, B

4-pin receptacle

NTSC or PAL-compatible

1

2

3

4

LUMOND

CHRMOND

LUM

CHRM

output

output

output

output

Figure C-13. S-VIDEO Ports A, B

Figure C-13 S-VIDEO Ports A, B

Table C-14. Video Panel Connectors - Monitor Port

Description

Pins

Signals

Flow (from chassis)

Monitor port

13W3 receptacle

A1

A2

A3

1

2

3

4

5

6

7

8

9

10

Red

Green

Blue

not used

Monitor type 0

not used

Stereo Sync[a]

aStereo Power +10V

Monitor Type 1

Monitor Type 2

Ground

aGround

aGround

output

output

output

 

input

 

output

output

input

input

[a] On some cables these signals are not used.

Figure C-14. Monitor Port

Figure C-14 Monitor Port

Table C-15. Video Panel Connectors - Alpha Port

Description

Pins

Signals

Flow (from chassis)

Alpha port

BNC receptacle

Impedance 75 Ohm

center

shield

Alpha

Chassis Ground

output

Figure C-15. Alpha Port

Figure C-15 Alpha Port

Table C-16. Video Panel Connectors - Sync Port

Description

Pins

Signals

Flow (from chassis)

Sync port

BNC receptacle

Impedance 75 Ohm

center

shield

Sync

Chassis Ground

output

Figure C-16. Sync Port

Figure C-16 Sync Port

Table C-17. Video Panel Connectors - Genlock IN, Genlock OUT

Description

Pins

Signals

Flow (from chassis)

Genlock IN, Genlock OUT

BNC receptacle

Impedance 75 Ohm

center

shield

Genlock loop-through

Chassis Ground

two-way

Figure C-17. Genlock IN, Genlock OUT

Figure C-17 Genlock IN, Genlock OUT

Figure C-18. Rackmount RS-232 Connector Panel

Figure C-18 Rackmount RS-232 Connector Panel

Table C-18. Rackmount Remote System Control Port

Description

Pins

Signals

Flow (from chassis)

Rackmount remote system control port

9-pin D-sub receptacle

1

2

3

4

5

6

7

8

9

not used

TXD

RXD

RTS

CTS

not used

Ground

DCD

DTR

 

output

input

output

input

 

 

input

output

Figure C-19. Rackmount Remote System Control Port

Figure C-19 Rackmount Remote System Control Port

Table C-19. Peripheral Rackmount Power Control Port

Description

Pins

Signals

Flow (from chassis)

Peripheral rackmount power control port

9-pin D-sub receptacle

1

2

3

4

5

6

7

8

9

PENE +

PENE –

not used

POKE +

POKE –

not used

not used

not used

not used

two-way

two-way

 

two-way

two-way

Figure C-20. Peripheral Rackmount Power Control Port

Figure C-20 Peripheral Rackmount Power Control Port

Monitor Cables

This section identifies the monitor cables provided by Silicon Graphics. See Table C-20 for a summary of monitor cables and Table C-21 through Table C-26 for specific details of each cable.

Table C-20. Monitor Cable Summary

Description

Length

Connectors

Part Number

Extension cable

15'

13W3 receptacle, both ends

018-0285-001

Extension cable

15'

13W3 receptacle to 3 BNC plugs

018-0286-001

Extension cable

75'

13W3 plug, both ends

018-8094-002

Adapter cable

1'

13W3 receptacle to 3 BNC plugs

018-0343-001

Adapter cable

1'

13W3 plug to 3 BNC receptacles

018-0344-001

Extension cable

75'

3 BNC receptacles, both ends

018-0275-003


Note: To attach a second graphics monitor to a Challenge/Onyx chassis, additional hardware is required to provide a second set of signals.

Table C-21. Monitor Extension Cable, Round, 15' Length, Shielded, 13W3 Hybrid Plugs at Each End of Cable

Part Number

Description

018-0285-001

Monitor extension cable, round, 15' length, shielded, 13W3 hybrid plugs at each end of cable.

Figure C-21. Monitor Extension Cable, Round, 15' Length, Shielded, 13W3 Hybrid Plugs at Each End of Cable

Figure C-21 Monitor Extension Cable, Round, 15' Length, Shielded, 13W3 Hybrid Plugs at Each End of Cable

Table C-22. Monitor Extension Cable, Round, 15' Length, Shielded, 13W3 Hybrid Plug at Chassis End, 3 BNC Plugs (RGB) at Monitor End

Part Number

Description

018-0286-001

Monitor extension cable, round, 15' length, shielded, 13W3 hybrid plug at chassis end, 3 BNC plugs (RGB) at monitor end.

Figure C-22. Monitor Extension Cable, Round, 15' Length, Shielded, 13W3 Hybrid Plug at Chassis End, 3 BNC Plugs (RGB) at Monitor End

Figure C-22 Monitor Extension Cable, Round, 15' Length, Shielded, 13W3 Hybrid Plug at Chassis End, 3 BNC Plugs (RGB) at Monitor End

Table C-23. Monitor Extension Cable, Round, 75' Length, Shielded, 13W3 Hybrid Plugs at Each End of Cable

Part Number

Description

018-8094-002

Monitor extension cable, round, 75' length, shielded, 13W3 hybrid plugs at each end of cable.

Figure C-23. Monitor Extension Cable, Round, 75' Length, Shielded, 13W3 Hybrid Plugs at Each End of Cable

Figure C-23 Monitor Extension Cable, Round, 75' Length, Shielded, 13W3 Hybrid Plugs at Each End of Cable

Table C-24. Monitor Adapter Cable, Round, 1' Length, Shielded, 13W3 Hybrid Receptacle at One End, 3 BNC Plugs (RGB) at Other End

Part Number

Description

018-0343-001

Monitor adapter cable, round, 1' length, shielded, 13W3 hybrid receptacle at one end, 3 BNC plugs (RGB) at other end.

Figure C-24. Monitor Adapter Cable, Round, 1' Length, Shielded, 13W3 Hybrid Receptacle at One End, 3 BNC Plugs (RGB) at Other End

Figure C-24 Monitor Adapter Cable, Round, 1' Length, Shielded, 13W3 Hybrid Receptacle at One End, 3 BNC Plugs (RGB) at Other End

Table C-25. Monitor Adapter Cable, Round, 1' Length, Shielded, 13W3 Hybrid Plug at One End, 3 BNC Receptacles (RGB) at Other End

Part Number

Description

018-0344-001

Monitor adapter cable, round, 1' length, shielded, 13W3 hybrid plug at one end, 3 BNC receptacles (RGB) at other end.

Figure C-25. Monitor Adapter Cable, Round, 1' Length, Shielded, 13W3 Hybrid Plug at One End, 3 BNC Receptacles (RGB) at Other End

Figure C-25 Monitor Adapter Cable, Round, 1' Length, Shielded, 13W3 Hybrid Plug at One End, 3 BNC Receptacles (RGB) at Other End

Table C-26. Monitor Extension Cable, Round, 75' Length, Shielded, 3 BNC Plugs (RGB) at Both Ends

Part Number

Description

018-0275-003

Monitor extension cable, round, 75' length, shielded, 3 BNC plugs (RGB) at both ends.

Figure C-26. Monitor Extension Cable, Round, 75' Length, Shielded, 3 BNC Plugs (RGB) at Both Ends

Figure C-26 Monitor Extension Cable, Round, 75' Length, Shielded, 3 BNC Plugs (RGB) at Both Ends

Input Device Cables

The main keyboard (and mouse) connects to a dedicated port using a standard 30-foot cable. If a longer cable is required, order the 75-foot extension cable. Both of these cables are shown in Table C-27 and Table C-28.

Table C-27. Keyboard Extension Cable, Round, 30' Length, Shielded, 6-pin Circular Mini-DIN Plugs at Both Ends

Part Number

Description

081-0345-001

Keyboard extension cable, round, 30' length, shielded, 6-pin circular mini-DIN plugs at both ends.

Figure C-27. Keyboard Extension Cable, Round, 30' Length, Shielded, 6-pin Circular Mini-DIN Plugs at Both Ends

Figure C-27 Keyboard Extension Cable, Round, 30' Length, Shielded, 6-pin Circular Mini-DIN Plugs at Both Ends

Table C-28. Keyboard Extension Cable, Round, 75' Length, Shielded, 6-pin Circular Mini-DIN Plugs at Both Ends

Part Number

Description

081-0075-001

Keyboard extension cable, round, 75' length, shielded, 6-pin circular mini-DIN plugs at both ends.

Figure C-28. Keyboard Extension Cable, Round, 75' Length, Shielded, 6-pin Circular Mini-DIN Plugs at Both Ends

Figure C-28 Keyboard Extension Cable, Round, 75' Length, Shielded, 6-pin Circular Mini-DIN Plugs at Both Ends

System Interrupt Cable

Table C-29 shows the rackmount system interrupt cable.

Table C-29. Rackmount System Interrupt Cable

Part Number

Description

9290054

Rackmount system interrupt cable, round, 35' length, 3.5 mm 3-conductor plugs at both ends, wired straight-through.

Figure C-29. Rackmount System Interrupt Cable

Figure C-29 Rackmount System Interrupt Cable

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Appendix B. Drive Maintenance  Appendix D. Supplementary SCSI Information