What is the nominal voltage required in subscriber loop
connected to local exchange?

Answer Posted / veerababu manyam

-48V DC for loopback
-48V AC for ringing

Is This Answer Correct ?    10 Yes 11 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain at which frequency voice is sampled?

514


Do you know what is the nominal voltage required in subscriber loop connected to local exchange?

645


Tell me what action is taken when the processor under execution is interrupted by a non-maskable interrupt?

535


Do you know what is the maximal decimal number that can be accommodated in a byte?

511


Explain what is the purpose of pc(program counter) in a microprocessor?

547






Tell me what is the max number of satellite hops allowed in voice communication?

527


Explain the type of signaling used between two exchanges?

527