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cable categories
(redirected from LAN cables)

     0.01 sec.
cable categories
Following are the categories for telephone and network cables. HDMI audio/video cables also use category designations (see HDMI).

Categories 1 through 6 are based on the EIA/TIA-568-B standards. Most new wiring for LANs is CAT5e, an improved version of CAT5. See twisted pair.

                        Application
 Category               MHz=bandwidth
        Cable type      Mbps/Gbps=maximum data rate

 CAT1   UTP             Analog voice
 CAT2   UTP             Digital voice up to 1 Mbps

 CAT3   UTP, ScTP, STP   16 MHz,  4 Mbps
 CAT4   UTP, ScTP, STP   20 MHz, 16 Mbps

 CAT5   UTP, ScTP, STP  100 MHz,  1 Gbps
 CAT5e  UTP, ScTP, STP  100 MHz,  1 Gbps
 CAT6   UTP, ScTP, STP  250 MHz, 10 Gbps/55 meters
 CAT6a  UTP, ScTP, STP  500 MHz, 10 Gbps/100 meters
 CAT7   ScTP, STP       600 MHz, 10 Gbps/100 meters


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In addition, as new generations of LAN cabling systems are installed, the unacceptable practice of leaving the old cables abandoned in place has forced code officials and the National Fire Protection Association (NFPA) to look at the fire safety level of LAN cables and other low-voltage cables.
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