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Term:
Digital Subscriber Line   DSL

Definition:

Frequency Division Multiplexing is used in wireline systems such as CATV-Community Antenna TeleVision and DSL-Digital Subscriber Line systems. This form of FDM is also called Broadband Multiplexing or sometimes referred to as Broadband modulation or Broadband where different frequencies are used for transmission of different signals. Both cable modem service and xDSL-Digital Subscriber Line service are forms of asymmetrical communications which is unbalanced-lop-sided (more in one direction than another) communications. In practical terms, it means higher speed downstream (to the user) than upstream (from the user) or a few keystrokes upstream gets you a lot more transmission downstream.



Reference to:
Metalink Announces 2009 Annual General Meeting
11/20/2009

'Comstar unveils universal internet pack'
11/20/2009

Broadcom Features WAPI on Variety of Solutions to Serve the Growing Wireless LAN Market in China
11/20/2009

LANCOM: LANCOM VPN client now available for Windows 7
11/19/2009

Aware Inc. Introduces AccuRad ImageShare(TM) Platform at RSNA 2009
11/19/2009




Source:

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