What is the use of loop out port in Set Top Box

Are you know What is the use of the loop-out port in Set Top Box?

You may notice a loop-out port is given in most of the set-top boxes. So let’s know why it is given.

       It is 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 splits the signal and gives it 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 is 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 the signal becomes low and your set-top box does not run properly, it shows an 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 the 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.

These are the use of loop-out ports in a set-top box.




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