The SU's name (User Name in SUs operating in Advanced Si mode). For the table having string as index the corresponding SNMP object key must have as the count of components the following: - 1st ULONG is destined for length of the string; - next number of ULONGs is destined for ascii value of each character in the string. To enable correct alphanumeric sorting of the rbSuMappingTable, the rbSuMappingSysName key should have the same first component and it should be 32 - the max rbSuMappingSysName key length. GUI appliccation have to make sure 32 will be the first component in the string and string will be ended by '\0'