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Power supplies
The two power su
pplies mount in the rear of the enclosure. See Figure 16. The supplies are autoranging
and operate on
acountry-specificACinputvoltageof202to240VAC±10%,50to60Hz,±5%,(188
to264VAC,47to63Hz).
The DC outputs of this power supply are:
• +5.1 VDC for th
eEMU,I/Omodule,backplane, and disk drives
• +12.1 VD C for the disk drives
• +12.5 VDC for the disk drives
The output of
each power supply is 499W, with a peak output of 681 W. A single power supply can
support an en
closure with a full complement of disks.
The power supply circuitry provides protection against:
• Overloads
• Short circu
its
• Overheating
Power supply status and diagnostic information is reported to the EMU with voltage, current, and
temperature signals.
See Regulatory Notices and Specifications for the enclosure pow er specifications.
The power su
pply temperature sensor provides a temperature range signal to the EMU, which uses this
signal to set the blower speed.
The power supply internal temperature can also control the speed of the blower. The higher the power
supply temperature, the faster the speed of the blower. If the power supply temperature exceeds a preset
value, the power supply automatically shuts down.
Blowers
The power supply–mounted blowers cool the enclosure by circulating air through the enclosure. The
blowers, under the control of the EMU or the associated power supply, can operate at multiple speeds.
This ensures that when the enclosure temperature changes the blowers can automatically adjust the
air flow .
If a blower is operating too slowly or has stopped (a “blower failure”), internal circuitry automatically
operates the remaining blower at a higher speed. Simultaneously, the error condition is reported in
several ways, including the power supply indicator, the audible alarm, the enclosure fault indicators,
and the EMU alphanumeric display.
Should both blowers fail, the power supplies automatically shut down.
NOTE:
The blowers are field-replaceable units and can be replaced, individually, while the system is running.
The blowers are also interchangeable. The failure of a power supply +12.5 VDC circuit disables
the associated blower.
The status indicator on the blower displays the status of both the power supply and the blower. See
Figure 16.SeeTable 12 for definitions of the indicator displays.
52
Enterprise Virtual Array hardware components
- Part number: 5697-7026 1
- Contents 3
- About this guide 13
- Rack stability 14
- HP technical support 14
- Customer self repair 15
- Product warranties 15
- Subscription service 15
- HP websites 15
- Documentation feedback 15
- 1 Enterprise Virtu al Array 17
- Performance 18
- Scalability 18
- Operating system support 18
- Storage system components 19
- Controller soft ware 20
- Hardware 20
- Fibre Channel drive enclosure 21
- Fibre Channel lo 22
- HSV110 and HSV100 controllers 22
- P = Fibre (Host) Port 26
- CA = Fibre Channel Adapter 26
- Gathering information 27
- Host information 28
- Entering the WW 29
- Entering the WWN checksum 29
- Installing opti 31
- 3 Enterprise Virtu al Array 33
- Setting Point in time 34
- Behavior 34
- Storage s ystem s 37
- Creating disk groups 40
- Adding a disk driv e 41
- Changing the De 42
- Installing the disk drive 42
- Checking status indicators 42
- Handling fiber optic cables 43
- 4 Enterprise Virtu al Array 45
- I/O m odules 46
- I/O module status indicators 47
- Fi bre Optic Fibr 49
- Copper Fibre Channel cables 49
- Fibre Channel disk drives 49
- Disk drive stat 50
- Disk drive status displays 50
- Power supplies and blowers 51
- Power supplies 52
- Drive enclosure EMU 53
- EMU functions 54
- EMU monitoring functions 55
- EMU displays 55
- EMU indicator di 56
- Audible alarm operations 57
- Enabling the audible alarm 58
- Muting or unmut 59
- Disabling the audible alarm 59
- Enclosure numb 60
- Error Condition Reporting 62
- Reporting group feature 65
- Fibre Channel loop switches 66
- Power-on self test (POST) 67
- Reading the switch indicators 67
- HSV controllers 69
- High availability features 70
- Operator control panel 70
- Status indicators 71
- Navigation butt 72
- Alphanumeric display 72
- Displaying the OCP menu tree 72
- Displaying system information 73
- Shutting down the system 74
- Shutting the controller down 74
- Restarting the system 75
- Uninitializing the system 75
- Password options 75
- Changing a password 75
- Clearing a password 76
- Cache bat tery 77
- HSV controller cabling 77
- Rack configurations 77
- Power d istribution 77
- Rack AC po 80
- Moving and stabilizing a rack 82
- 1. H ex n ut 83
- 2. Leveler foot 83
- Customer self 85
- Replaceable parts 86
- Before you begin 88
- Types of disk failures 89
- Checking system re dundancy 89
- Verifying component failure 90
- 1. Ac t ivi t y 92
- 2. Online 3. Fault 92
- Removing a di 93
- Installing a disk 94
- Verifyin 94
- Removing a b 97
- Installing a blower 97
- Removing a po 98
- Installing a p ower supply 98
- Verifying proper operation 99
- Customer replaceable units 100
- A Regulatory notices an d 101
- Laser device 102
- European union notice 103
- Notice for Fra 104
- WEEE Recycling Notices 104
- French notice 105
- German notice 105
- Estonian notice 105
- Finnish notice 105
- Greek notice 106
- Hungarian notice 106
- Italian n 106
- Latvian notice 106
- Lithuanian notice 107
- Polish notice 107
- Portugue 107
- Slovakian notice 107
- Germany noise declaration 108
- Japanese notice 109
- Taiwanese notice 109
- Japanese 109
- Country-specificcertifications 109
- Physical specifications 110
- Power speci 111
- fications 111
- Fibre Channel sw 113
- Controller specifications 113
- Rack specifications 114
- Environmental specifications 116
- Power specifications 116
- Nominal inp ut voltage 117
- Specifications 117
- The power 117
- Condition report format 119
- Correcting err ors 120
- Power supply conditions 122
- 0.2.en.02 123
- Blower conditions 124
- Temperature conditions 125
- 0.4.en.01 N 126
- 0.4.en.03 NON 127
- EMU conditions 128
- Transceiver conditions 132
- 0.F.en.05 C 133
- Backplane conditions 135
- I/O Module conditions 135
- Host conditions 137
- C Controller fault management 139
- GUI event display 140
- Fault management displays 140
- Information type 142
- Description 142
- Glossary 143
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