Patent ID: 6088372
Filing Date: 2000-07-11
Classification: H04Q

Abstract:
A time division multiplexing system for a digital exchange which includes a plurality of line interface sections each accommodating a plurality of line interface apparatus such as subscriber circuits or/and trunk circuits, where each line interface section of the plurality of line interface sections may accommodate a number of lines different from a number of lines accommodated by other line interface sections of the plurality of line interface sections, for time division multiplexing and outputting channels of the line interface apparatus accommodated therein to a corresponding single first time division multiplexing highway, and a single multiplex conversion circuit accommodating the first time division multiplexing highways for time division multiplexing and outputting channels inputted from the first time division multiplexing highways to a second time division multiplexing highway, said time division multiplexing system comprising:multiplicity display means provided in each of said line interface sections for setting and displaying a multiplicity of channels per one frame to be time division multiplexed and outputted by and from the line interface section, where the multiplicity of channels per one frame for each line interface section is set according to the number of lines corresponding to that line interface section;multiplicity changing means provided in said multiplex conversion circuit corresponding to the first time division multiplexing highways accommodated in said multiplex conversion circuit for individually effecting multiplexing conversion in accordance with the multiplicities of the corresponding first time division multiplexing highways; anda control section for reading the multiplicity display means of the line interface sections and transmitting the multiplicities set in the multiplicity display means to the multiplicity changing means of said multiplex conversion circuit corresponding to the first time division multiplexing highways connected to the line interface sections.