370 / | HD | MULTIPLEX COMMUNICATIONS |
351 | DF | PATHFINDING OR ROUTING {5} |
389 | DF | .~ Switching a message which includes an address header {11} |
412 | DF | .~.~ Queuing arrangement {3} |
415 | .~.~.~ Having input queuing only {1} | |
416 | DF | .~.~.~.~> Contention resolution for output |