olemus
varjestatud keerdpaar, levinud signaalikandja andmesides
= a common signal carrier in data communications

ülevaateid
https://en.wikipedia.org/wiki/Twisted_pair

https://scpcat5e.com/category-cable-shielding-types

https://www.quora.com/What-are-the-different-types-of-shield-twisted-pair-cables

https://community.fs.com/blog/the-difference-between-fiber-optic-cable-twisted-pair-and-cable.html

näiteid
http://www.organworks.com/images/Blog/DataOverDistance/twistedpair.jpg

https://4.bp.blogspot.com/-dRu68kW_WZc/T94VBmRbtMI/AAAAAAAAADI/wSSKKSvVTCY/s1600/Shielded%2btwisted-pair%2bcable%2b%2528UTP%2529.jpeg

https://www.computernetworkingnotes.org/images/networking-tutorials/nplus/Stp_cable.jpg

https://duckduckgo.com/?q=shielded+twisted+pair&t=h_&iax=images&ia=images

vt ka
- koaksiaalkaabel
- valguskaabel