What size of a UPS can support a NetGear ProSafe GS752TP Switch (512.8W), up to 4 hours? What size of battery(s) needed & how many?
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why we not connect the 12 V batteries in parallel to get the more backup supply ? how to calculate the input wattage and output wattage of an UPS ?
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CDMA
State and explain some of p-n junction diode applications.
Please provide details of the following standards :rs-23-c 802.3 x.25 802.11?
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WHAT IS THE USES OF PLC?
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