OmniSwitch 6450 External Backup Power Supplies OmniSwitch 6450 Chassis and Hardware Components
page 3-36 OmniSwitch 6450 Hardware Users Guide September 2015
OmniSwitch 6450 External Backup Power
Supplies
Backup power supplies are fully operational and may share the load with the primary power supply,
remaining operational in the event the primary power supply fails unexpectedly. If a failover occurs, the
backup power supply automatically takes up the full power load without disrupting the switch.
PS-550W-AC-P External 550W AC PoE Power Supply
PS-900AC-P External 900W AC PoE Power Supply
P/S Component Description
Model PS-550W-AC-P (Marketing Number OS6450-BP-PH)
Platform(s) Supported OmniSwitch 6450-P24 backup power for system and PoE
Installation Rack mounts above or below chassis for a 2RU configuration
Maximum System Output Power 140 W
Maximum PoE Output Power 410 W
Input Voltage Range 100-240 VAC
Rated Frequency 47 to 63 Hz
Output Voltage 12.0 VDC / 54.5 VDC
Output Current 12.5 A / 7.34 A
P/S Component Description
Model PS-900AC-P (Marketing Number OS6450-BP-PX)
Platform(s) Supported OmniSwitch 6450-P48 backup power for system and PoE
Installation Rack mounts above or below chassis for a 2RU configuration
Input Voltage Range 90 to 265 VAC
Rated Frequency 47 to 63 Hz
Maximum PoE Output Power 780 W
Maximum System Output Power 126 W
PoE Output Voltage -54.5 VDC
PoE Output Current 14.3 A
System Output Voltage 12.0 VDC
System Output Current 10.5 A
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