Patent ID: 6614761
Filing Date: 2003-09-02
Classification: H04L

Abstract:
An ADSL (asymmetric digital subscriber line) subscriber processing equipment in an ATM (Asynchronous Transfer Mode) switch, the ADSL subscriber processing equipment being connected with an ATM layer processing device by a transmit-receive cellbus and control signal bus and being connected to a plurality of ADSL subscribers by an ADSL line, comprising:transmit-cell processing means for detecting ADSL subscribers on the basis of ATM parallel transmit-cell, the ATM parallel transmit-cell being supplied by the ATM layer processing device; ATM physical layer processing means for converting the parallel transmit-cell into serial transmit-cell, performing ATM physical layer transmit-process on the serial transmit-cell, converting serial receive-cell into parallel receive-cell, the serial receive-cell being supplied by the ADSL processing means, and performing ATM Physical layer receive-process on the parallel receive-cell; ADSL processing means for receiving the serial transmit-cell from the ATM physical layer processing means, performing ADSL downstream process on the serial transmit-cell, sending the processed serial transmit-cell to ADSL subscriber through ADSL line, receiving ADSL upstream from the ADSL subscriber, performing signal processing on the ADSL upstream, and sending the signal processed ADSL upstream to the ATM physical layer processing means; receive-cell processing means for receiving the parallel receive-cell from the ATM physical layer processing means, adding subscriber information to the parallel receive-cell, and sending the information added to the parallel receive-cell to the ATM layer processing device; and central control means for assigning addresses to the transmit-cell processing means, the ATM physical layer processing means, the ADSL processing means, and the receive-cell processing means, controlling ADSL subscriber processing equipment by providing a system clock, and generating a test-cell for self loopback test.