In a Central Office each of the DC-to-DC converter has a High Output Voltage Shu

Question

In a Central Office each of the DC-to-DC converter has a High Output Voltage Shutdown feature and it occurs when the output increases past___of normal output (Circle one) 1% 5% 10% 25% T/F___One of the requirements within a Central Office specification includes Power Noise Immunity and Emissions. There are A and 13 battery feeds required in all Central Office environments because: (Circle all that apply) One feed cannot supply the required power Two feeds are better than one In the event of power failure if one fails, second one can take over All of the above None of the above The "worst case" voltage level requirements for low and high voltage value re: (Circle one)

Explanation / Answer

21 c) 10%

22 TransFormer

23 c) In the event of power failure if one fails, second one can take over

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