Why is negative voltage used in telecom | why -48 power used on cell phone tower | -48v dc supply

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You can watch Mobile Tower, Electrical & Electronics devices & Telecom Equipment on this channel which is used for mobile towers (Eg:- 2G/3G/4G/5G Technologies) and from here BTS, Microwave, Radio, Transmission (You can watch all telecom equipment on this channel which is used for mobile towers and can also learn knowledge related to BTS, microwave, radio, transmission here, so don't delay please subscribe to this channel and watch all the upcoming videos).
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[@uddinislah3042]

Excellent informative excellent information

[@khanik5067]

Thanks sir so much love you from Pakistan 70% knowledge and take sir from your channel god bless you always ❤️❤️❤️❤️❤️

[@OpenHelixTELCOchannel]

Thank you too

[@sureshkumar9921]

Good information sir ji 🙏🙏🙏

[@sunnychaudhary1112]

much information but how DC voltage help in signal transmission, I think it's only used to electric power supply to the equipment for operate in constant voltage supply as DC voltage supply is constant while AC power may fluctuate, as well as it may impact on equipment in case of short circuit. and also we can use AC power supply with AC voltage regulator.

[@Oop703]

Nice explanation

[@shamaraosonawane6421]

Thankyou sirji

[@nalemitho3776]

Superb explanation

[@shellemshiu]

Now I understand sir thank you

[@OpenHelixTELCOchannel]

You are welcome

[@revaramsonbirse548]

Superb explanation sir

[@dreamvision1234]

Sir hmko lab sat karna hai tower tacnician ka skill training centre mi to kya kya equipment Lena hai or kaha se melega bta skte ho

[@PankajPratap-qk2px]

Good

[@kamranismail007]

ThankU Sir Good information ❤

[@OpenHelixTELCOchannel]

Most welcome

[@sanjeetsinghmouryavanshi479]

I am passionate about telecom technology thanks to clear my doubts

[@MuhammadKhanRetti]

❤ Great info sir 💕🇵🇰💕

[@iamsky2211]

Good information

[@situsaha7127]

Wow nice explanation

[@OpenHelixTELCOchannel]

Thanks for feedback

[@eshanbelekar920]

Good information sir thanks you...

[@OpenHelixTELCOchannel]

Welcome

[@Guri_gp]

Plz ik video SMPS ki dygram bna kr smja do

[@vasist]

Nigative m dhara ulti chalti h isi liye use karte h ok or dc Direct currant hota h jo bahut hi hota h ac m currant alternative currant hota h isse equipment kharab bahut hote h jaise rectifire bahut kharab hote h ji ok

[@aujekamal7660]

Good explanation

[@OpenHelixTELCOchannel]

Thank you

[@mahendrakushwah3726]

Sir tt engineer ke interview related video banaiye.. Plz

[@asimsamanta2276]

Dada ek qaschen hai smps main pasetive ko erth kyu karte hai....

[@sonunigam5351]

Rectifier khaha se parches kar sakte hai

[@arshad3491]

Dude at least add english subtitles to your videos 😢

[@shivayadu1c1998]

Suparb sir

[@OpenHelixTELCOchannel]

Thanks

[@techmantraaz]

This is wrong, fundamental reason is to avoid surge from lightning and other benefits are what you have explained...

[@Biswaranjanbarick]

What are you doing sir job Or teaching

[@dinozaurpickupline4221]

Sir telephone wire DSL me aC he ya dc

[@rajnitish6393]

Sir -48 v kaise aaya explain please aur SMPS ka postive ground kyu kiya jata h please video banaiye ya comment me bataiye

[@OpenHelixTELCOchannel]

noted

[@vasist]

Positive lene m kya problem hoti h ap batayege kya

[@OpenHelixTELCOchannel]

Telecom hardware component can not support.. there is more example....

[@sidharthsahoo7842]

No technical information just read lines... Why its 48 ? Why not 24 ?

[@darshankatariya5055]

I think negative used due to conventional current direction where elections flow from negative to positive terminal and current direction positive to negative

[@dariomorales6388]

no entendi niuna wea, pero gracias.

[@RobbyBoy167]

if you are going to talk in whatever language. make the damn title in that same language.

[@armantlc]

Airtel tawar se ghar me canection kese kare

[@dreamvision1234]

Sir aapka no chahiye

[@thebamplayer]

English?

[@sidharthsahoo7842]

No technical information just read lines... Why its 48 ? Why not 24 ?