Are you know What is the use of loop out port in Set Top Box?
You may notice a loop out port is given in most of the set-top box. So let�s know why it is given.
It basically a signal splitter for another tuner or another set-top box. When you connect the signal cable to the loop in or cable in port then the set-top box split the signal and gives to the loop out port. So you can easily connect another set-top box without cutting the main signal cable.
Another advantage of this port is amplifying. It explained below.
Every Set-top box has a limit of receiving signals. Every set-top box has a minimum signal limit at which the set-top box can run. So if you connect many set-top boxes by cutting the main cable, the strength of signal becomes low and your set-top box not run properly, it shows error. But when you connect many set-top boxes through the Loop out Port one by one, the set-top box amplifies the signal, as a result, all set-top boxes run properly.
Suppose your set-top box can run at the minimum signal of 100 dB and your main signal also is of 100db. So in this situation, if you connect another set-top box then the main signal becomes weak and set-top box cannot be run. But if you connect another set-top box through the loop out port it will be run because the set-top box amplifies the signal.
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Mr. Muhammad Saqib, M.Sc. (PAK), Research Fellow (PAK), a member of IEEE, is a Fulbright Alumnus and earned his Master’s Degree in Electrical and Power Engineering from University Of Engineering And Technology Taxila, PAKISTAN.
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