| Field | Key | Data Element | Type | Offset | Leng | Decimals | Check Table | Text |
|---|---|---|---|---|---|---|---|---|
| DEVICECLASS | X | CHAR12 | CHAR | 0 | 12 | 0 | Character Field of Length 12 | |
| MARKUPSUBTYPE | X | CHAR12 | CHAR | 12 | 12 | 0 | Character Field of Length 12 | |
| FILEEXTENSION | CHAR4 | CHAR | 24 | 4 | 0 | Not More Closely Defined Area, Possibly Used for Patchlevels |