ICND1 break down — Cable Category (cat 1, cat2, cat3, cat4, cat5, cat6)

Posted on June 29, 2009. Filed under: CCNA, ICND1 break down | Tags: , , , |


  • Cat 1: Previously used for POTS telephone communications, ISDN and doorbell wiring.
  • Cat 2: Previously was frequently used on 4 Mbit/s token ring networks.
  • TIA-568 only recognized cables of Category 3 ratings or above.(wikipedia)

    Cat 3 UTP (TechFAQ)

    Category 3 UTP is rated to carry data up to 10Mbit/s.

    Cat 3 UTP was the standard cable for use with Ethernet 10Base-T.

    Cat 4 UTP:

    Category 5 UTP no longer common or used in new installations, was frequently used on 16 Mbit/s token ring networks.

    Cat 5 UTP

    Category 5 UTP is rated to carry Ethernet up to 100Mbit/s and ATM up to 155Mbit/s.

    Cat 5 UTP was the standard cable for use with Ethernet 100Base-TX.

    Cat 5e UTP

    Category 5e UTP is an enhanced version of Cat 5 UTP.

    Cat 5e UTP is rated to carry data up to 1000Mbit/s.

    Cat 5e UTP is the standard cable for use with Ethernet 1000Base-T.

    Cat 5e can also be used to extend the distance of 100Base-TX cable runs up to 350 meters.

    Cat 6 UTP

    Category 6 UTP is very similar to Cat 5 UTP, except that it is designed and manufactured to even stricter standards.

    Category 6 has a minumum of 250 MHz of bandwidth. Allowing 10/100/1000 use with up to 100 meter cable length, along with 10GbE over shorter distances. (Ethernet Cable Identification and Use)

    Here is a video help you to remember the Cable Category

    ICND1 and ICND2 break down

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