75204456
Nov 26, 1996
Sep 29, 1998
telecommunications hardware and operating software based on xDSL (high-speed Digital Subscriber Line) technology, namely, digital signal processors, software for data encoding/decoding and error detection/correction using adaptive signal processing; xDSL systems comprised of line units, remote units, doublers, central office shelves, remote enclosures, and network management structures for use with telephone company central site operations in order to provide point-to-point (one site connecting to another) and point-to-multipoint (one site connecting to multiple locations); xDSL systems comprised of hardware access platforms; line units, interface cards, desktop units, and network management structures for use within campus/LAN environments; electronic bridging units for coupling Ethernet networks, power supplies, and centralized SNMP network software; integrated circuits containing single-chip xDSL circuits
Electrical and Scientific Apparatus