| Message type | Transmission direction of the message | Transmission mode | Priority level | Delay requirement (ms) | Transmission frequency (HZ) |
| SV message | From MU to IEC | Periodicity | 4 | 3 | 1200 |
| GOOSE input message | From the intelligent switch cabinet to IED | Periodicity | 1 | 3 | Continuous transmission with the changing interval |
| GOOSE output message | From IED to the intelligent switch cabinet MU | Suddennes | 4 | 3 | Triggered timing transmission |