back to front cooling, you must ensure that the power supply is designated for back to front
cooling.
The following table describes the AC and DC power specifications for the VSP 7024XLS
switch.
Parameter Input voltage Maximum power rating
AC Input 100–240 VAC +/– 10%, 3.7A
Max, 50/60 Hz
300 W
DC Input 48 VDC, 8.0A Max 300 W
Cooling fans and power supplies
VSP
7000 switches require and support two field replaceable fan trays for switch cooling. VSP
7000 switches support two field replaceable AC or DC power supplies for redundant power
configurations.
Cooling fan trays
Cooling fan trays support hot-swap and are available in two models to support front to back,
or back to front airflow modes. Cooling fan trays are included and must be installed before
operating the switch.
Power supply compatibility with cooling fans
Power supplies support hot-swap and are available in two models to support cooling fan airflow
modes.
If you are using front to back cooling or back to front cooling, ensure that you use compatible
power supplies that match the cooling fan airflow.
Redundant power supply configurations
If you install two power supplies for redundancy, the switch can perform load sharing.
You can hot-swap power supplies for non stop, uninterrupted switch operation.
Power supply monitoring
For enhanced monitoring, power supplies send information to the switch software about the
type (AC or DC, and airflow mode).
Related topics:
Installing the fan trays and power supply on page 18
Cooling fans and power supplies
VSP 7000 installation July 2013 17
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