Cisco 6503 - Catalyst Firewall Security Sys Installation Manual page 351
Installation guide
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Appendix A
Power Supply Specifications
Table A-28
Specification
Branch circuit requirement
Output capacity
Power supply output
Output holdup time
kVA rating
Heat dissipation
Weight
1. The kVA rating listed for the power supply should be used as the sizing criteria for both UPS outputs as well as standard
circuits and transformers to power a switch.
Table A-29
OL-5781-08
4000 W AC-Input Power Supply Specifications (continued)
Description
Each chassis power supply should have its own dedicated, fused-branch
circuit:
For North America—30 A
•
For International—Circuits should be sized according to local and
•
national codes
All AC power supply inputs are fully isolated.
•
–
–
–
4000 W maximum
15 A @ +3.3 VDC
•
5 A @ +5 VDC
•
10 A @ +12 VDC
•
90.36 A @ +42 VDC
•
20 ms minimum
1
5.4 kVA maximum
17,065 BTU/hour (approx.)
22.2 lb (10.1 kg)
list the specification for the 4000 W DC-input power supply.
4000 W AC-Input and DC-Input Power Supplies
Source AC can be out of phase between multiple power supplies
in the same chassis, which means that PS1 can be operating
from phase A and PS2 can be operating from phase B.
For high-line operation, the power supply operates with the hot
conductor wired to a source AC phase and the neutral conductor
wired either to ground or to another source AC phase as long as
the net input voltage is in the range of 170 to 264 VAC.
Source AC can be out of phase between AC inputs on power
supplies that are equipped with multiple AC inputs, which
means that power cord 1 can be plugged into phase A and
power cord 2 can be plugged into phase B.
Catalyst 6500 Series Switches Installation Guide
A-43
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