31dacfec_tion_Model__v1_5__IN_PROGRESS___Description
[Option] smallSetUpperBound [Level] Connection [Default] 0 [Description] 
When piggy-backing is enabled, if the number of hits in a search is less than or equal to this value, then server will return all records using small element-set name. For more information on this and the next four options, see the description of the same-named parameters of the searchRequest APDU in section 3.2.2.1 of the Z39.50 standard.
ZOOM - ZOOM: The Z39.50 Object-Orientation Model, v1.5 (IN PROGRESS)
Description