United Nations Directories
for Electronic Data Interchange for
Administration, Commerce and Transport


Change indicators a plus sign (+) for an addition an asterisk (*) for an amendment to structure a hash sign (#) for changes to names a vertical bar (|) for changes to text for descriptions, notes and functions a minus sign (-) for a deletion an X sign (X) for marked for deletion


Function: To specify a hardware device line number, level of access, type and characteristics of the device. 010 3148 COMMUNICATION ADDRESS IDENTIFIER C 1 an..512 020 3413 CONTACT IDENTIFIER C 1 an..17 030 1511 COMPUTER ENVIRONMENT NAME CODE C 1 an..3 040 E003 ATTRIBUTE INFORMATION C 9 9021 Attribute type description code M an..17 9018 Attribute description C an..256

Segment HDI is used in the following Messages:


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