American Standard Code for Information Interchange
approved by the American Standards Association, Incorporated
Newline sequence: 0D 0A (CR LF)
| hexadecimal |
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0
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NULL | DC0 | SP |
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(U) | (U) |
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1
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SOM | DC1 |
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(U) | (U) |
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2
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EOA | DC2 |
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(U) | (U) |
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3
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EOM | DC3 |
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(U) | (U) |
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4
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EOT | DC4 |
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(U) | (U) |
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5
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WRU | ERR |
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(U) | (U) |
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6
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RU | SYNC |
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(U) | (U) |
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7
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BELL | LEM |
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(U) | (U) |
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8
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FE0 | S0 |
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(U) | (U) |
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9
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HT / SK | S1 |
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(U) | (U) |
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A
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LF | S2 |
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(U) | (U) |
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B
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VTAB | S3 |
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(U) | (U) |
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C
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FF | S4 |
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(U) | ACK |
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D
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CR | S5 |
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(U) | (1) |
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E
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SO | S6 |
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(U) | ESC |
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F
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SI | S7 |
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(U) | DEL |
Legend
| light blue background indicates a control character | |
| normal colored background indicates a glyph (printable) character | |
| NULL | Null/idle |
| SOM | Start of message |
| EOA | End of Address |
| EOM | End of message |
| EOT | End of transmission |
| WRU | "Who are you?" |
| RU | "Are you...?" |
| BELL | Audible signal |
| FE0 | Format effector |
| HT | Horizontal tabulation |
| SK | Skip (punch card) |
| LF | Line feed |
| VTAB | Vertical tabulation |
| FF | Form feed |
| CR | Carriage return |
| SO | Shift out |
| SI | Shift in |
| DC0 | Device control reserved for data link escape |
| DC1 - DC3 | Device control |
| DC4 | Device control (stop) |
| ERR | Error |
| SYNC | Synchronous idle |
| LEM | Logical end of media |
| S0 - S7 | Separator (information) |
| SP | Word separator (space, normally non-printing) |
| ' | Apostrophe |
| , | Comma |
| < | Less than |
| > | Greater than |
| ↑ | Up arrow (Exponentiation), Unicode: ↑ (↑) |
| ← | Left arrow (Implies / Replaced by), Unicode: ← (←) |
| \ | Reverse slant |
| (U) | Unassigned character |
| ACK | Acknowledge |
| (1) | Unassigned control |
| ESC | Escape |
| DEL | Delete / Idle |
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