Chapter 11
11- 5
SCSI Peripherals and I/O Information
SCSI Cables
The information in this section is common to all types of SCSI busses.
1. The cable length used to connect the SCSI devices plus ANY cable length internal to the device
must not exceed the appropriate limits as previously stated.
2. Minimize the SCSI bus length but do not use cables shorter than 0.5m external.
3. Because cable impedance and construction affect bus signal quality, only HP cables are
recommended.
4. While the high-density SCSI connectors on the HP-PB Host Adapters support both thumbscrew
and squeeze latch cables, only the thumbscrew type are recommended because of reliability and
RFI concerns with the squeeze-latch cables.
Cable Characteristics
Single-Ended and Differential, 50 and 68 conductor flat cables or 25 and 34 single twisted pair cables
with a characteristic impedance of 90 to 140 ohms must be used for our application. (All Hewlett
Packard supplied cables meet this requirement.)
Voltages/Current
Single-Ended. Output Characteristics - Either open collector or tristate drivers.
Signal True (low) = 0.0 to 0.5 Vdc.
Signal False (high) = 2.25 to 5.25 Vdc.
Input Characteristics - Device powered on including drivers and passive receivers.
Signal True (low) = 0.0 to 0.8 Vdc.
Current = -0.4 to 0.0 mA @ 0.5 Vdc.
Signal False (high) = 2.0 to 5.25 Vdc.
Current = 0.0 to 0.1 mA @ 2.7 Vdc.
Differential. Output Characteristics:
V ol (Low-Level output voltage) = 1.7V max. at I ol (Low-Level output current) = 55 mA.
V oh (High-Level output voltage) = 2.7V min. at I hl (High-Level output current) = -55 mA.
V od (Differential output voltage) = 1.0V min. with common mode voltage ranges from -7 to +12
Vdc.
Input Characteristics:
I i (Input Current on either input) = +/- 2.0 mA. with input voltages between -7 and +12 Vdc. with
power on or off an with hysteresis = 35 mV min.
Содержание 9000 Series
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Страница 119: ...Chapter 4 4 3 D200 D210 D310 Front Panel LCD Codes Major Code Category 0 RESERVED ...
Страница 126: ...4 10 Chapter4 D200 D210 D310 Front Panel LCD Codes FLT 30FF FAN_FAILURE Fan failure detection Ostat Code Name Meaning ...
Страница 129: ...Chapter 4 4 13 D200 D210 D310 Front Panel LCD Codes Major Code Category 6 RESERVED ...
Страница 135: ...Chapter 4 4 19 D200 D210 D310 Front Panel LCD Codes Major Code Category B OS PANIC output by OS ...
Страница 140: ...4 24 Chapter4 D200 D210 D310 Front Panel LCD Codes Major Code Category D SHUTDOWN codes output by the OS ...
Страница 141: ...Chapter 4 4 25 D200 D210 D310 Front Panel LCD Codes Major Code Category E WARNING codes output by the OS ...
Страница 142: ...4 26 Chapter4 D200 D210 D310 Front Panel LCD Codes Major Code Category F RUN codes output by the OS ...
Страница 145: ...Chapter 5 5 3 Dx50 Dx60 Front Panel LCD Codes Major Code Category 0 RESERVED ...
Страница 157: ...Chapter 5 5 15 Dx50 Dx60 Front Panel LCD Codes Major Code Category 6 RESERVED ...
Страница 172: ...5 30 Chapter5 Dx50 Dx60 Front Panel LCD Codes Major Code Category E WARNING codes output by the OS ...
Страница 178: ...5 36 Chapter5 Dx50 Dx60 Front Panel LCD Codes ...
Страница 181: ...Chapter 6 6 3 D270 D370 D280 D380 R380 and D390 R390 Front Panel LCD Codes Major Code Category 0 RESERVED ...
Страница 190: ...6 12 Chapter6 D270 D370 D280 D380 R380 and D390 R390 Front Panel LCD Codes Major Code Category 6 RESERVED ...
Страница 209: ...Chapter 7 7 3 Dx20 Dx30 Front Panel LCD Codes Major Code Category 0 RESERVED ...
Страница 218: ...7 12 Chapter7 Dx20 Dx30 Front Panel LCD Codes Major Code Category 6 RESERVED ...
Страница 224: ...7 18 Chapter7 Dx20 Dx30 Front Panel LCD Codes Major Code Category B Operating System Panic OS ...
Страница 228: ...7 22 Chapter7 Dx20 Dx30 Front Panel LCD Codes Major Code Category D HP UX System Shutdown Codes ...
Страница 229: ...Chapter 7 7 23 Dx20 Dx30 Front Panel LCD Codes Major Code Category E WARNING codes output by the OS ...
Страница 230: ...7 24 Chapter7 Dx20 Dx30 Front Panel LCD Codes Major Code Category F RUN codes output by the OS ...
Страница 238: ...8 8 Chapter8 Diagnostics ...
Страница 246: ...9 8 Chapter9 Replaceable Parts Figure 9 2 System Front View with bezel and side panel ...
Страница 247: ...Chapter 9 9 9 Replaceable Parts Figure 9 3 System Front View R Class ...
Страница 248: ...9 10 Chapter9 Replaceable Parts Figure 9 4 Rear View of I O Area ...
Страница 254: ...10 6 Chapter10 Removal and Replacement Procedures Figure 10 2 Front Bezel Removal ...
Страница 257: ...Chapter 10 10 9 Removal and Replacement Procedures Figure 10 4 Side Panel Removal Figure 10 5 Side Panel Removal ...
Страница 260: ...10 12 Chapter10 Removal and Replacement Procedures Figure 10 6 Remove EMI Shielding ...
Страница 264: ...10 16 Chapter10 Removal and Replacement Procedures ...
Страница 269: ...Chapter 10 10 21 Removal and Replacement Procedures Figure 10 11 I O Card Retainer Bracket Removal R Class ...
Страница 287: ...Chapter 10 10 39 Removal and Replacement Procedures Figure 10 25 Power Supply Removal Replacement ...
Страница 290: ...10 42 Chapter10 Removal and Replacement Procedures Figure 10 26 Fan Display Panel Location 3 2 1 ...
Страница 294: ...10 46 Chapter10 Removal and Replacement Procedures Figure 10 27 Side Panel Replacement ...
Страница 295: ...Chapter 10 10 47 Removal and Replacement Procedures Figure 10 28 Side Panel Replacement ...
Страница 296: ...10 48 Chapter10 Removal and Replacement Procedures Figure 10 29 Front Bezel Replacement ...
Страница 329: ...Chapter 11 11 33 SCSI Peripherals and I O Information Diagnostics o CSTM o SCSIDDS o SYSMAP o IOMAP ...
Страница 348: ...11 52 Chapter11 SCSI Peripherals and I O Information Diagnostics CSTM SCSIDDS SYSMAP IOMAP ...
Страница 382: ...11 86 Chapter11 SCSI Peripherals and I O Information ...
Страница 406: ...B 2 AppendixB Support Information Figure B 1 Dx50 Dx60 Block Diagram ...
Страница 407: ...Appendix B B 3 Support Information Figure B 2 D200 Dx10 Block Diagram ...
Страница 408: ...B 4 AppendixB Support Information Figure B 3 Dx20 Dx30 Block Diagram ...
Страница 409: ...Appendix B B 5 Support Information Figure B 4 Dx70 Dx80 Rx80 Block Diagram ...
Страница 410: ...B 6 AppendixB Support Information Figure B 5 D390 R390 Block Diagram ...
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