| Dec | Hex | Character | Description |
|---|---|---|---|
| 0 | 00 | NUL | Null Character |
| 1 | 01 | SOH | Start of Heading |
| 2 | 02 | STX | Start of Text |
| 3 | 03 | ETX | End of Text |
| 4 | 04 | EOT | End of Transmission |
| 5 | 05 | ENQ | Enquiry |
| 6 | 06 | ACK | Acknowledgment |
| 7 | 07 | BEL | Bell |
| 8 | 08 | BS | Backspace |
| 9 | 09 | HT | Horizontal Tab |
| 10 | 0A | LF | Line Feed |
| 11 | 0B | VT | Vertical Tab |
| 12 | 0C | FF | Form Feed |
| 13 | 0D | CR | Carriage Return |
| 14 | 0E | SO | Shift Out |
| 15 | 0F | SI | Shift In |
| 16 | 10 | DLE | Data Link Escape |
| 17 | 11 | DC1 | Device Control 1 |
| 18 | 12 | DC2 | Device Control 2 |
| 19 | 13 | DC3 | Device Control 3 |
| 20 | 14 | DC4 | Device Control 4 |
| 21 | 15 | NAK | Negative Acknowledgment |
| 22 | 16 | SYN | Synchronize |
| 23 | 17 | ETB | End of Transmit Block |
| 24 | 18 | CAN | Cancel |
| 25 | 19 | EM | End of Medium |
| 26 | 1A | SUB | Substitute |
| 27 | 1B | ESC | Escape |
| 28 | 1C | FS | File Separator |
| 29 | 1D | GS | Group Separator |
| 30 | 1E | RS | Record Separator |
| 31 | 1F | US | Unit Separator |