Control command sends bytes to the UE9 UART which will be sent asynchronously on the PIN2 (TX0) pin on the DB37 connector.
Table 5.3.18-1. AsynchTX Command Response
| Command: | |
| Byte | |
| 0 | Checksum8 |
| 1 | 0xF8 |
| 2 | 1 + NumAsynchWords |
| 3 | 0×15 |
| 4 | Checksum16 (LSB) |
| 5 | Checksum16 (MSB) |
| 6 | 0×00 |
| 7 | NumAsynchBytesToSend |
| 8 | AsynchByte0 |
| … | … |
| Response: | |
| Byte | |
| 0 | Checksum8 |
| 1 | 0xF8 |
| 2 | 0×02 |
| 3 | 0×15 |
| 4 | Checksum16 (LSB) |
| 5 | Checksum16 (MSB) |
| 6 | Errorcode |
| 7 | NumAsynchBytesSent |
| 8 | NumAsynchBytesInRXBuffer |
| 9 | 0×00 |