| 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) |