Power Supplies Chassis and Power Supplies
page 3-50 OmniSwitch 6900 Hardware Users Guide June 2020
OS6900-X20/X40/X72/Q32/T20/T40 DC Power Supply
DC Power Supply Front Panel
DC Power Supply LED States
Model (OS-PS-450W-D) OS6900-BPD-F (YM-2451D), Front-to-Rear
OS6900-BPD-R (YM-2451P), Rear-to-Front (Purple Coloring)
Product Compatibility OmniSwitch 6900-X20/X40/X72/Q32/T20/T40
Input Voltage Range -36V (min.); -48V (nominal); -72V (max.); -75V (peak)
Input Current 14A (40VDC), 9A (60VDC), nominal is 11.5A (48VDC)
Output Rating 2A min to 36.25A max @ +12V; 0A min to 3A max @ +5VSB
Output Power 450 Watts
Ambient Temperature Non-Operating -40C to 70C
Humidity (Operating) 95%, non-condensing
Airflow This power supply is available in either a front-to-rear or rear-
to-front model.
Note Mixing the OS-PS-450W-D DC power supply and the OS-PS-
450W-A AC power supply in the same chassis is supported.
LED State Description
Solid Blue The power supply is operating normally and providing power to the
chassis
Flashing Blue The power supply is on standby and can provide power to the chassis if
power supply failover should occur
Flashing Red No DC power is being provided to this power supply
Flashing Blue/Red Power supply warning
Solid Red Power supply failure
Off No DC power is being provided to any power supply installed in the
chassis; all power supplies are effectively off
Status LED
DC Connector
Handle
Air Vent
Lock Tab
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