75465303
Apr 9, 1998
Mar 21, 2000
Digital loop carrier system consisting of central office multiplexers which multiplex telephony and/or data signals for transport over various forms of transmission media, namely copper fiber, coax cable, satellite and radio signals; access terminals which demultiplex these telephony and/or data signals; and peripheral equipment consisting of racks, shelves, power supplies, cables, cable distribution panels, and network management software
Electrical and Scientific Apparatus