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Category 2 cable

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Title: Category 2 cable  
Author: World Heritage Encyclopedia
Language: English
Subject: ISO/IEC 11801, Twisted pair, UTP cables, Category 2, Category 1 cable
Collection: Networking Hardware, Signal Cables
Publisher: World Heritage Encyclopedia

Category 2 cable

Category 2 cable, also known as Cat 2, or Level 2, is a grade of unshielded twisted pair cabling designed for telephone and data communications. The maximum frequency suitable for transmission over Cat 2 cable is 4 MHz, and the maximum bandwidth is 4Mbit/s.[1] Cat 2 cable contains 4 pair of wires, or eight wires total.[2]

Though not an official category standard established by TIA/EIA, Category 2 has become the de facto name given to Level 2 cables originally defined by Anixter International, the distributor. Official TIA/EIA-568 standards have only been established for cables of Category 3 ratings or above.

Anixter Level 2 cable was frequently used on ARCnet and 4 Mbit/s token ring networks, it is also used in telephone networks but it is no longer commonly used.



  • Meyers, Mike. All-In-One ComptTIA Network+ Exam Guide, Fifth Edition, McGraw Hill Publishing, 2012.
  • Carpenter, Tom. CompTIA CTP+, Convergence Technologies Professional Certification Study Guide, McGraw Hill Publishing, 2012.

Citations and notes

  1. ^ Meyers; Page 69.
  2. ^ Carpenter; Page 231.
  • CCNA: Network Media Types
  • PC Magazine, Encyclopedia, Cable Categories

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