| Commando | effect |
| ATHE | Print help in debug mode |
| ATGO | Boot System |
| ATUR | Upload RAS code |
| ATUR 3 | RAS configuration file (romfile0) |
| ATBAx | Change terminal baud rate where X =1: 38.4 2: 19.2 3: 9.6 4: 57.6 5: 115.2 (kbps) |
| ATSH | Display system information |
| ATTD | Download configuration to PC |
| ATSE | Display seed for password generation |
| ATCB | Copy ROM area system information to working buffer |
| ATBU | Display system informatuin in working buffer |
| ATGM | Boot ZyNOS in main block |
| ATUB | Boot ZyNOS in backup block |
| ATUM | Upload RAS code to main block |
| ATUB | Upload RAS code to backup block |
| ATTE | Test command |