370 / | HD | MULTIPLEX COMMUNICATIONS |
351 | DF | PATHFINDING OR ROUTING {5} |
357 | DF | .~ Through a circuit switch {4} |
360 | DF | .~.~ Switching control {8} |
381 | .~.~.~ Having details of control storage arrangement {2} | |
382 | DF | .~.~.~.~> Data memory addressing |
383 | DF | .~.~.~.~> Control storage addressing |