Twisted pair Cable

here are two type of cable

1. UTP (Unshielded twisted pair cable) copper cabling used in telephone wiring and local area networks (LANs)

2. STP (Shielded twisted pair cable) pecial kind of copper telephone and local area network (LAN) wiring used in some business installations

Category of twisted pair cable :

Category DATA transfer Used for

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1. Cat1
   1mbps Used for telephone only for voice

2. cat2
   4mbps telephone voice and data

3. cat3
   10mbps Networking

4. cat4
   16mbps Networking

5. cat5
   100mbps Networking

6. cat5 c
   1000mbps Networking

7. cat6 1000mbps Networking

8. cat7
   1000mbps Networking

9. cat7a
   1000mbps Networking

10. cat7b 1000mbps Networking

Cat 1 ,cat2, cat3 , cat4 cat6 comes under UTP

Cat5c, cat7, cat7a, cat7b comes under STP

CABLING :

Straight cable used to connect different type of device like pc to switch, switch to router

Cross cable used to connect same device like pc to pc, switch to switch, router to router.

Rollover cable used to configured a router/switch

Standard colour code