C-1
C H A P T E R
C
System Specifications
This appendix gives the system specifications for the Netra CT 820 server:
■
“Electrical Specifications” on page
■
“Environmental Specifications” on page
C.1
Electrical Specifications
FIGURE
C-1
DC Input Specifications
Parameter
Conditions/Description
MIN
NOM
MAX
Units
Input Voltage –DC
Continuous input range
36
75
VDC
Hold-up Time
From 48 VDC input
4
ms
Input Current
At full rated load; 36 VDC, 48VDC
7.6, 5.4
A
Input Protection
Non-user serviceable, internally-
located input line fuse
Inrush Surge Current
Internally limited by thermistor and
electronic switch
12
A
Operating Frequency
Switching frequency of main output
transformer
125
145
KHz
Input Transient
Protection
Varistor
Summary of Contents for Netra CT 820
Page 7: ...Contents vii Index Index 1...
Page 8: ...viii Netra CT 820 Server Service Manual July 2004...
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Page 22: ...1 4 Netra CT 820 Server Service Manual July 2004...
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Page 118: ...A 34 Netra CT 820 Server Service Manual July 2004...
Page 128: ...Glossary 4 Netra CT 820 Server Service Manual July 2004...
Page 132: ...Index 4 Netra CT 820 Server Service Manual July 2004...