Telephony cables k baray me mufeed malumat!
Salam Doston umeed h k sb thk thak honge aaj me aap k liye telephone k cables ki history aur unke baray me aap k liye malumat laya hun pasand aaye to cment zarur karen to aaiye thread ki taraf.
1. Coxial Cable
Jab wire wali telephone aaiye thi tb hi ye cable ijad hui. Coxial aik yunani lafz Coax sy liya gaya hai iska mtlb awaz h.
Iska structure kch is tarah hota h.
1. Plastic Cover
2. Metal Soft Cover ( jb aap plastic cover utarenge to wires ki tarah naram metal hoga wohi metal soft cover h).
3. Outer Insulator
4. Soft Plastic Cover
5. Inner Insulator.
Pehle Ye internet cable ki jagah use hoti thi ab tv cable aur telephone lines me use hoti h.
2. Lan and Wan Cable
Ye ab hum internet ki dsl cnnection me use krte hn inke 2 aksam hote hn.
1. UTP
2. STP
Hum aksar utp (Unshielded twisted pair) use krte hn q k ye unshielded hoti h aur naram hoti h jb k stp (Shielded twisted pair) sakht hoti h aur use py metal shield hoti h inke b kai aksam hn kch me 8 pairs hote hn wires k kch me 2. Inka data rate coxial cable sy kai guna zyada h.
3. Fibre Optic Cable
Ye tez tareen Cable h ye gbps internet me use hoti h ya phr use internet line me jo kisi mulk ko dusre mulk sy connect krti h. Isme Data rate boht zyada h aur data packets isme light ki raftar sy b zyada tez flow krte hn.
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