Glossary

English

• Category 5 (Cat 5)
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    Category 5 (Cat 5)

   
   

   

   

   

  This refers to the quality assurance of connection parts such as unshielded twisted pair (UTP) cables and connectors. With LAN, category 3 is primarily utilized. For 100 BASE-TX, category 5 and above are used, and category 5e and above are required for 1,000 BASE-T.

   

   

   
• CCIR
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    CCIR

   
   

   

   

   

  Consultative Committee for International Radio (Video signal specification) - TV standard in Europe

   

   

   
• Charge coupled device (CCD))
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    Charge coupled device (CCD))

   
   

   

   

   

  A charge coupled device is a semiconductor device that converts images to electrical signals.

   

   

   
• Closed circuit television (CCTV)
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    Closed circuit television (CCTV)

   
   

   

   

   

  Refers to a system of cameras and video accessory devices over a internal cabling path. Differs from broadcast video.

   

   

   
• Common intermediate format (CIF)
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    Common intermediate format (CIF)

   
   

   

   

   

  This is the universal video signal format regulated by ITU-T H.261. CIF supports moving images with a data rate of up to 30 frames per second and a resolution of 352 x 288 pixels.

   

   

   
• Compact flash (CF)
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    Compact flash (CF)

   
   

   

   

   

  This is the standard for memory cards advocated by San Disk Corporation, and is utilized as a storage device for digital cameras etc. Compact flash combines flash memory that does not go off even when the power is turned off and an I /O controller circuit on just one card.

   

   

   
• CPA
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    CPA

   
   

   

   

   

  Camera Position Authentication

   

   

   
• CSMA/CD
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    CSMA/CD

   
   

   

   

   

  This is an access control method utilized for ethernet transmissions. When collisions occur due to multiple terminals attempting to simultaneously make transmissions, the transmissions are stopped and then resumed after an appropriate amount of time has passed.