Browse Prior Art Database

Automatic Adaptation by Oversampling

IP.com Disclosure Number: IPCOM000117459D
Original Publication Date: 1996-Feb-01
Included in the Prior Art Database: 2005-Mar-31
Document File: 2 page(s) / 39K

Publishing Venue

IBM

Related People

Benayoun, A: AUTHOR [+4]

Abstract

In the case of the DTE is not a native ISDN terminal (major cases), the natural solution is to connect the DTE to the ISDN network via a terminal adaptor. This function is quite complicated because it is mandatory to implement the rate adaptation function.

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Automatic Adaptation by Oversampling

      In the case of the DTE is not a native ISDN terminal (major
cases), the natural solution is to connect the DTE to the ISDN
network via a terminal adaptor.  This function is quite complicated
because it is mandatory to implement the rate adaptation function.

      When a customer has already buy a classic RV terminal adaptor
for others needs, it is possible to provide him an other possibility
of connectivity: The asynchronous and the synchronous link.  This
capability is given by the propriety of oversampling.  In fact, it is
possible, in the case of asynchronous to convey transparently this
communication thru a synchronous link a normal RV terminal adaptor
running at least twice the speed of this asynchronous communication
will works perfectly.

      In the case of a synchronous communication having a speed at
least inferior at 32Kbps and having it's bit rate adaptor (CCITT
standard V110) disabled, it is also possible to set the channel clock
at 64Kbps (clock of the data) and then to set the clock of the bit
element timing at the real clock of the data on the link.

      It is possible to use a simple and inexpensive TA to match a
lot of connectivities.  This possibility can save a lot of money to
the customer and can improve the forecast of our machines still
existing.