Patents Assigned to Digital Transmission Systems, Inc.
  • Retrofit subscriber loop carrier system with improved performance monitoring and remote provisioning
    Patent number: 5347566
    Abstract: An improved subscriber line carrier (SLC) with enhanced performance for monitoring and remote provisioning. Communication between the new control unit and new channel units (such as universal remote provisionable channel unit) utilizes a back plane read disable bus line (RNDIS). Serial digital signals are modulated within a high level on the read disable bus line for transmission of information between control unit and the new channel units.
    Type: Grant
    Filed: October 23, 1991
    Date of Patent: September 13, 1994
    Assignee: Digital Transmission Systems, Inc.
    Inventors: Edward K. Law, Yick M. Chan