4 - Power supply 4
HVAC/HVDC power supply overview
The SAN256B-6 device supports a dual-function high-voltage AC, high-voltage DC
(HVAC/HVDC) power supply assembly. This power supply converts AC or DC
input to the required DC output power required for device operation.
Each HVAC/HVDC power supply assembly provides the following power outputs
in Watts at the indicated AC and DC input rated voltages:
v
1450 W (100-120 VAC)
v
2870 W (200-277 VAC)
v
2870 W (240-380 VDC)
The following HVAC/HVDC power supply models are supported:
v
Power supply model supporting nonport-side air intake (NPI). This assembly
has two fans that move the air from the nonport side to the port side of the
device.
v
Power supply model supporting nonport-side air exhaust (NPE). This assembly
has two fans that move the air from the port side to the nonport side of the
device.
Consider the following important notes about installing this power supply:
v
You cannot upgrade from standard voltage AC power supplies in an existing
chassis to HVAC/HVDC power supplies. You must order a new base chassis
and the required HVAC/HVDC power supplies.
v
You cannot mix HVAC/HVDC and standard voltage AC power supplies in the
same chassis. All power supplies must be the same type.
v
All HVAC/HVDC power supplies installed in the device must be all either NPI
or NPE models. The airflow direction must match airflow direction of installed
fans.
The following figure illustrates power supply assembly components.
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SAN512B-6 Installation, Service, and User Guide
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