Power supply specifications
6-5
DS-4900B Specifications
Power supply specifications
The power supplies are universal and capable of functioning
worldwide without voltage jumpers or switches. They meet IEC
61000-4-5 surge voltage requirements and are autoranging in terms of
accommodating input voltages and line frequencies. Each power
supply has a built-in fan for cooling, pushing air towards the port
side of the switch.
Table 6-2 lists the power supply specifications for the DS-4900B
switch.
Table 6-2 Power supply specifications
Specification Value
Inlet IEC320/C14
System power draw from AC line 225 Watts Nominal, 245 Watts Maximum
Input Voltage Range 90-264Vac, 47-63HZ
Harmonic Distortion Active power factor correction
BTU rating 836 BTU/hr
Inrush current Maximum of 15A for period of 10-150mS
Input line protection Both AC lines are fused
Maximum output of one power supply 300 Watts
Nominal system power draw from power supplies 175 Watts
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