Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

Reply To: -48 V DC in Telecom Equipment

#41118
suku
Guest

Hi,

I feel that , the power supply can’t generate negative voltage .

only the polarity is changed , with respective to the chassis of the equipment .

incase of -48v system , the +ve bus bar is grounded , if is’t +48v system the negative bus bar is grounded .