Netra CT 820 Server Installation Guide
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This appendix gives the system specifications for the Netra CT 820 server.
Electrical Specifications
TABLE A-1 DC Input Specifications
Parameter
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Conditions/Description
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MIN
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NOM
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MAX
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Units
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Input Voltage -DC
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Continuous input range
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36
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75
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VDC
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Hold-up Time
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From 48 VDC input
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4
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|
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ms
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Input Current
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At full rated load; 36 VDC, 48VDC
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|
7.6, 5.4
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|
A
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Input Protection
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Non-user serviceable, internally-located input line fuse
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|
|
|
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Inrush Surge Current
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Internally limited by thermistor and electronic switch
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|
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12
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A
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Operating Frequency
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Switching frequency of main output transformer
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125
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145
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KHz
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Input Transient Protection
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Varistor
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|
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Environmental Specifications
The Netra CT 820 server is designed for harsh environments. The chassis features sturdy steel and aluminum construction with a corrosion resistant finish.
Due to the modular construction of the system, components could be added that change the system's environmental constraints. Board-level components and power supply modules have their own operating temperature ratings. Refer to component-specific product manuals for operational details that may affect system performance.
TABLE A-2 summarizes the environmental specifications for the Netra CT 820 server. The source of these specifications is NEBS GR-63-CORE. Systems were subjected to these environments and passed all testing.
TABLE A-2 Chassis Environmental Specifications
Parameter
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Description
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Temperature - Operating
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-0° C to 40° C (32° F to 104° F)
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Temperature - Operating, short-term (per NEBS GR-63-CORE)
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-5° C to 55° C (23° F to 131° F)
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Temperature - Non-Operating
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-40° C to 70° C (-40° F to 158° F)
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Humidity - Non-Operating
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90% noncondensing relative humidity at @ 30° C
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Shock - Unpackaged
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Up to 110.2 lbs: 2 inch drop
Over 110.2 lbs: 1 inch drop
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Shock - Packaged
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< 450 lbs: 11.8 inch drop (category B, palletized)
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Vibration - Unpackaged
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5 Hz to 100 Hz, at 0.1 g sine
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Vibration - Packaged
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5 to 100 Hz at 0.5 g sine and 100 to 500 Hz at 1.5 g sine
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Netra CT 820 Server Installation Guide
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817-2641-12
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Copyright © 2004, Sun Microsystems, Inc. All rights reserved.