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 | .~.~ Multiplexing plural input channels to a common output channel {2} | |
538 | DF | .~.~.~> Plural input channels of different rates to a single common rate output channel {1} |
540 | DF | .~.~.~> Plural input channels of same rate to a single common rate output channel {1} |