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XDS Series of Boards
Design and Concept
Message Passing Scheme
Message Structure









 


The XDS series of boards was designed to bring the switching capabilities of much larger switches to the PC platform. XDS, which stands for eXternally Defined Switching system, is the third generation of switching products from AMTELCO. The first generation was a voice grade line concentrator introduced in 1977. The second generation, the AMTELCO Switching Peripheral, or ASP, was introduced in 1985. The ASP is a general purpose, flexible switch designed to be controlled by a host computer. It has been deployed in a wide variety of configurations with numerous PBX's, paging terminals, and voice storage equipment. The XDS series of boards, the third generation, draws on this experience to bring the same level of switching capability to PCs. XDS boards have found wide usage with Computer Telephony developers.

 
 

 

 

 

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