Contents
OmniSwitch 6900 Hardware Users Guide June 2020 v
OS-QNI-U3 ............................................................................................................3-29
OS-HNI-U6 ............................................................................................................3-29
OS-XNI-T8 .............................................................................................................3-30
OS-XNI-U12E ........................................................................................................3-31
Plug-In Module Status LEDs .................................................................................3-31
Mounting the Switch .....................................................................................................3-32
General Mounting Recommendations ....................................................................3-32
Airflow Recommendations ....................................................................................3-33
Front-to-Rear Airflow .....................................................................................3-34
Rear-to-Front Airflow .....................................................................................3-34
Airflow Mismatch ...........................................................................................3-35
Blank Cover Panels ................................................................................................3-36
Rack-Mounting .............................................................................................................3-37
Mid-Mounting the Chassis In the Rack ..................................................................3-39
Standalone (Non-Rack Mounted) Installations ......................................................3-41
Weight Considerations ....................................................................................3-41
Proper Clearance .............................................................................................3-41
Plug-In Modules ............................................................................................................3-42
Hot-Swapping Plug-In Modules .............................................................................3-42
Hot-Swap Feature Guidelines ..........................................................................3-42
Hot-Swap Steps ...............................................................................................3-42
Installing Plug-In Modules .....................................................................................3-43
Removing Plug-In Modules ...................................................................................3-45
Power Supplies ..............................................................................................................3-46
Airflow Direction ............................................................................................3-46
OS6900-X20/X40/X72/Q32/T20/T40 Power Supply ............................................3-46
AC Power Supply LED States .........................................................................3-47
OS6900-V72/C32 AC Power Supply .....................................................................3-48
AC Power Supply LED States .........................................................................3-48
OS6900-T48C6/X48C6 AC Power Supply ............................................................3-49
AC Power Supply LED States .........................................................................3-49
OS6900-X20/X40/X72/Q32/T20/T40 DC Power Supply .....................................3-50
DC Power Supply LED States .........................................................................3-50
OS6900-V72/C32 DC Power Supply .....................................................................3-51
DC Power Supply LED States .........................................................................3-51
OS6900-T48C6/X48C6 DC Power Supply ............................................................3-52
DC Power Supply LED States .........................................................................3-52
DC Power Supply Connections ..............................................................................3-53
Connecting a DC Cable Harness to the Chassis Power Supply ......................3-53
Connecting a DC Cable Harness to the DC Power Source .............................3-53
Installing Power Supplies .......................................................................................3-54
Removing Power Supplies .....................................................................................3-55
Chassis Fan Tray ...........................................................................................................3-56
Airflow Direction ............................................................................................3-56
Replacing the Fan Tray .................................................................................................3-58
Grounding the Chassis ..................................................................................................3-60
Monitoring Chassis Components ..................................................................................3-61
Viewing Chassis Slot Information .........................................................................3-61
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