0505 - |
Filter function, coded |
|
| Repr: | an..3 | |
| Desc: | Identification of the filtering function used to reversibly map any bit pattern on to a restricted character set. | |
| This table also occurs in the following versions of this standard: 40000, 40001, 40002, 40003, 40004, 40005, 40006, 40007, 40100, 40101, 40102 | ||
| 1 | No filter |
| No filter function is used. | |
| 2 | Hexadecimal filter |
| Hexadecimal filter. | |
| 3 | ISO 646 filter |
| ASCII filter as described in DIS 10126-1. | |
| 4 | ISO 646 Baudot filter |
| Baudot filter as described in DIS 10126-1. | |
| 5 | UN/EDIFACT EDA filter |
| Filter function for UN/EDIFACT character set repertoire A as described in Part 5 of ISO 9735. | |
| 6 | UN/EDIFACT EDC filter |
| Filter function for UN/EDIFACT character set repertoire A as described in Part 5 of ISO 9735. | |
| 7 | Base 64 filter |
| Base 64 filter function as described in RFC 1521. | |
| ZZZ | Mutually agreed |
| Self explanatory. |