Cisco ME-C6524GS-8S Installation Manual page 72

400 W DC-Input Power Supply
Table A-1
Table A-1
Item
DC-input voltage
DC-input current
Power supply output capacity
Power supply output
Output holdup time
Heat dissipation
Front panel LEDs
INPUT OK
•
FAN OK
•
OUTPUT OK
•
Weight
Cisco ME 6500 Series Ethernet Switch Installation Guide
A-2
lists the specifications for the 400 W DC-input power supply (PWR-400W-DC).
400 W DC-Input Power Supply Specifications
Appendix A
Specification
• –48 VDC @ 37 A for nominal –48 V battery
backup system (operating range: –40.5 VDC to
–56 VDC)
–60 VDC @ 29 A for nominal –60 V battery
•
backup system (operating range: –55 VDC to
–72 VDC)
11 A @ -48 VDC
•
9 A @ -60 VDC
•
400 W maximum
34 A @ +11.75 V
4 ms
133.33 W per hour (454.92 BTU per hour)
Green—The source DC voltage is OK.
•
(-38.25 VDC or greater.)
• Off—The source DC voltage has dropped below
-33 VDC or is not present.
Note In dual power supply configurations with the
alternate power supply powered up, the INPUT
OK LED may be lit red to indicate that the DC
input voltage is less than -33 VDC or that the
power supply is switched off.
Green—The power supply fan is operating
•
properly.
Red—A power supply fan failure is detected.
•
Red—A problem with the DC-output voltage from
•
the power supply is detected.
Green—The DC-output voltage is within
•
acceptable margins.
4.41 lb (2.0 kg)
Power Supply Specifications
OL-8900-03