User manual
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  Universal Serial Bus (USB) is a serial bus standard to connect devices to a host 
computer. 
 A video codec is a device or software that enables video compression and/or 
decompression for digital video. H.264 is a standard for video compression, and is 
equivalent to MPEG-4 AVC. H.263 is a video codec standard originally designed as a 
low-bitrate compressed format for videoconferencing. MPEG-4  is collection of 
methods defining compression of audio and visual (AV) digital data. 
  JPEG is a commonly used method of compression for photographic images. 
  Voice over Internet Protocol (VoIP) is a general term for a family of transmission 
technologies for delivery of voice communications over IP networks such as the 
Internet. 
 The Internet Protocol Suite (commonly known as TCP/IP) is the set of 
communications protocols used for the Internet 
  An Internet Protocol (IP) address is a numerical identification and logical address that 
is assigned to devices participating in a computer network utilizing the Internet 
Protocol for communication between its nodes. 
  Dynamic Host Configuration Protocol (DHCP) is a network application protocol 
used by devices (DHCP clients) to obtain configuration information for operation in an 
Internet Protocol network. 
 The Internet  is a global system of interconnected computer networks that use the 
standardized Internet Protocol Suite (TCP/IP). 
 An intranet is a private computer network that uses Internet technologies 
  Power over Ethernet or  PoE  technology describes a system to transfer electrical 
power, along with data, to remote devices over standard twisted-pair cable in an 
Ethernet network 
  Network Time Protocol (NTP), a means of synchronizing clocks over a computer 
network. 










