Table I.2 List of changes from Redundant Line Control function 4.1A20 to 4.1A30 is a list of changes made from the previous version.
| Category | Item | Version | 
|---|---|---|
| New command | None | - | 
| Incompatible commands | hanetpoll Command | Redundant Line Control function 4.1A30 | 
| resethanet Command | Redundant Line Control function 4.1A30 | |
| Incompatible function | Verifying the Network address | Redundant Line Control function 4.1A30 |