| 370 / | HD | MULTIPLEX COMMUNICATIONS |
| 431 | DF | CHANNEL ASSIGNMENT TECHNIQUES {12} |
| 442 | DF | .~ Combining or distributing information via time channels using multiple access technique (e.g., TDMA) {1} |
| 443 | ![]() | .~.~ Using channel reservation {1} |
| 444 | DF | .~.~.~> With priority resolution |