digital terminal adapter

digital terminal adapter

A low-cost set-top box that provides basic digital service from the cable company to analog or digital TVs via the coax input. Also called a "digital transport adapter" (DTA), it does not support a digital program guide or video-on-demand; however, the adapter does display the channel's abbreviated name and number.

These devices were designed to reclaim analog channel space for more digital services. For example, Comcast claimed its 2009-2010 DTA deployment would enable it to replace 50 channels of analog spectrum with higher Internet speeds, more video-on-demand and up to 100 HD channels.


Digital Transport Adapter (DTA)
DTAs have two coax connectors: input from the cable; output to the TV or to a VCR, DVD player, etc., and then to the TV. The TV is set to channel 3 or 4, and channel changing is performed in the DTA box.
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The FCC denied an appeal by Comcast, which argued that its practice of charging customers separately for a DTA (digital terminal adapter), or converter box that allows subscribers with older TVs to receive digital channels, which the company said would be provided at no charge, is not subject to rate regulation, because it is a service fee.
As a result, several other major manufacturers are now in discussions to build various models of BBTSolution enabled set top boxes with differing capabilities, from the core box now going into production, to ones limited in function, such as a DTA (digital terminal adapter) as well as those with DVR capability.

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