The Cisco TelePresence codec is a purpose-built, ultra-high performance encoding and decoding appliance. It runs the Linux operating system on an embedded Compact Flash module and contains an array of Digital Signal Processors (DSP) that perform all the encoding and decoding of the audio and video.
The Cisco TelePresence codec was designed to operate in a hands-off environment where physical access to the device would be rare. It is rack-mounted to the assembly frame of the TelePresence system and then surrounded by the structural assembly and furniture of the system. All the cameras, displays, microphones, speakers, IP Phone, and other auxiliary components plug into it, and it, in turn, attaches to the network through a single 1000Base-T Gigabit Ethernet interface. There are no keyboard, monitor, or console ports on the system. It is managed entirely over IP through its network interface using protocols such as Secure Shell (SSH), Secure Hypertext Transfer Protocol (HTTP) and Simple Network Management Protocol (SNMP).
Figures 1 and 2 show the front and back views of the Cisco TelePresence codec.
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