| 714 / | HD | ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY |
| 704 | ![]() | ERROR COUNT OR RATE {4} |
| 705 | DF | .~> Pseudo-error rate |
| 706 | DF | .~> Up-down counter |
| 707 | DF | .~> Synchronization control |
| 708 | DF | .~> Shutdown or establishing system parameter (e.g., transmission rate) |