FD12 header
SHFD<SP><SP><unit ID>SX| Position | Name | Description | Value/Range |
|---|---|---|---|
| 1 | SH | Start of heading | 0x01 |
| 2 - 3 | FD | Device type identifier | FD |
| 4 - 5 | <SP> | Space | 0x20 |
| 6 | <unit ID> |
Unit identifier First character of the unit identifier; if the ID is not defined, it is replaced by a space character |
0 ... 9 a ... z A ... Z |
| 7 | SX | Start of text | 0x02 |
Example of an FD12 header:
SHFD ASXFD12 footer
EXCRLF| Position | Name | Description | Value/Range |
|---|---|---|---|
| 1 | EX | End of text | 0x03 |
| 2 | CR | Carriage return | 0x0D |
| 3 | LF | Line feed | 0x0A |