Friday, September 27, 2019

Why -48 volt used in Telecom Equipments?

"Why -48 volt used in telecom equipment?"
Many people asked this valuable but straightforward question on different platforms. Also, an interviewer can ask you this simple question. So it is better to make yourself ready for such types of problems. I have done a little research and gather all the information I found you can see below.
ethernet cable
Ethernet cable
Top 5 Reason Behind -48 volt used in Telecom Equipments
  1. As per Columb's law, like charges repel each and we know that Lighting or Thunders is 95% negatively charged and 5% positive. In this way, we have the chance to save telecommunication devices from heavenly light by using negative voltage.
  2. The positive voltage causes more corrosion in the metal than the negative energy. ( What is corrosion? Corrosion is a natural process that gradually destroys metals through chemical or electrochemical reactions with their environment. )
  3. To avoid leakage currents to ground generated by moisture do not electroplate away the copper in the wires.
  4. +48 voltage offers more fluctuation as compared to -48 voltage.
  5. A negative voltage is considered safer for the human body as compared to positive voltage while working in the field.
That's for all of you other reason then that please don't forget comment below ... Love

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