370 / | HD | MULTIPLEX COMMUNICATIONS |
464 | DF | COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS {9} |
498 | DF | .~ Combining or distributing information via time channels {17} |
537 | DF | .~.~ Multiplexing plural input channels to a common output channel {2} |
538 | .~.~.~ Plural input channels of different rates to a single common rate output channel {1} | |
539 | DF | .~.~.~.~> Multiple levels of multiplexing to form a multiplex hierarchy |