Sample File with Conversion Tables 

* @(#)convert 20.5 SAP 93/04/05
*
* SAP AG Walldorf
* Systems, Applications and Products in Data Processing
*
* (C) Copyright SAP AG 1992
*
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* ASCII -> EBCDIC Conversion *
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4040404040404040 * 000 - 007
4040404040404040 * 008 - 015
4040404040404040 * 016 - 023
4040404040404040 * 024 - 031
404F7F7B5B6C507D * 032 - 039
4D5D5C4E6B604B61 * 040 - 047
F0F1F2F3F4F5F6F7 * 048 - 055
F8F97A5E4C7E6E6F * 056 - 063
B5C1C2C3C4C5C6C7 * 064 - 071
C8C9D1D2D3D4D5D6 * 072 - 079
D7D8D9E2E3E4E5E6 * 080 - 087
E7E8E963ECFC5F6D * 088 - 095
7981828384858687 * 096 - 103
8889919293949596 * 104 - 111
979899A2A3A4A5A6 * 112 - 119
A7A8A943BBDC5940 * 120 - 127
4040404040404040 * 128 - 135
4040404040404040 * 136 - 143
4040404040404040 * 144 - 151
4040404040404040 * 152 - 159
41AAB0B19FB2CC7C * 160 - 167
BDB49A8ABA40AFBC * 168 - 175
908FEAFABEA0B6B3 * 176 - 183
40DA9B8BB7B8B9AB * 184 - 191
646562664A679E68 * 192 - 199
7471727378757677 * 200 - 207
AC69EDEEEBEFE0BF * 208 - 215
80FDFEFB5AAD8EA1 * 216 - 223
44454246C0479C48 * 224 - 231
5451525358555657 * 232 - 239
8C49CDCECBCF6AE1 * 240 - 247
70DDDEDBD08DAEDF * 248 - 255

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* EBCDIC -> ASCII Conversion *
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2020202020202020 * 000 - 007
2020202020202020 * 008 - 015
2020202020202020 * 016 - 023
2020202020202020 * 024 - 031
2020202020202020 * 032 - 039
2020202020202020 * 040 - 047
2020202020202020 * 048 - 055
2020202020202020 * 056 - 063
20A0E27BE0E1E3E5 * 064 - 071
E7F1C42E3C282B21 * 072 - 079
26E9EAEBE8EDEEEF * 080 - 087
EC7EDC242A293B5E * 088 - 095
2D2FC25BC0C1C3C5 * 096 - 103
C7D1F62C255F3E3F * 104 - 111
F8C9CACBC8CDCECF * 112 - 119
CC603A23A7273D22 * 120 - 127
D861626364656667 * 128 - 135
6869ABBBF0FDDEB1 * 136 - 143
B06A6B6C6D6E6F70 * 144 - 151
7172AABAE620C6A4 * 152 - 159
B5DF737475767778 * 160 - 167
797AA1BFD0DDFEAE * 168 - 175
A2A3A5B7A940B6BC * 176 - 183
BDBEAC7CAFA8B4D7 * 184 - 191
E441424344454647 * 192 - 199
484920F4A6F2F3F5 * 200 - 207
FC4A4B4C4D4E4F50 * 208 - 215
5152B9FB7DF9FAFF * 216 - 223
D6F7535455565758 * 224 - 231
595AB2D45CD2D3D5 * 232 - 239
3031323334353637 * 240 - 247
3839B3DB5DD9DA20 * 248 - 255

If you set the shell variable CONVERT to the name convert (possibly the complete path if not in the current directory), this file is imported when CMCNVI or CMCNVO are first called and overwrites the standard conversion table.

You can use the SAP-specific functions SAP_CMLOADCONVTAB or SAP_CMMODCONVTAB to make additional modifications to the conversion table.