Z39.50 Implementor Agreement 5:

Returning diagnostics in an InitResponse

May 2, 1997
A target may supply one or more diagnostics in an InitResponse APDU, within UserInfo-1, within userInformationField.

When the target wishes to return one or more bib-1 diagnostics, it may do so using the Diag-1 diagnostic format, selecting defaultDiagRec as the CHOICE for 'diagnostic', and may include multiple bib-1 diagnostics within a single instance of the format, as it is defined to be a SEQUENCE OF SEQUENCE.

The Diag-1 format may then be included within UserInfo-1, which is the EXTERNAL to be referenced by userInformationField.

See related agreement Use of Init Parameters for Negotiation and User Information.


Examples of bib-1 diagnostics meaningful in an Init response are:
Library of Congress