What's the use of -48v in telecom?

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Why a Negative voltage (-48V ) is being used in telecom Network equipment?
Posted by:
Binu Balan Uralath
13-April-2015

Question added by elaiya perumal
Date Posted: 2016/10/11

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1 Answers

Samar Abbas Samar Abbas

by Samar Abbas Samar Abbas

Polar co ordinates are mostoly used and first page requiredment set and starting the work

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