The serialnumbers You generate for Your Products are reported to Ericsson with the zip-file mailed to the Ericsson central Database - TRACY.
The file has more or less one line per serialnumber and the record type is the first character in the line.
B- Basic serialnumber information, the mostly used record, one per each new serialnumber
S- Structure information, If You connect the serials into logical structures the connections will be reported with S-records.
C- Change information, Information about changes on already reported serialnumbers, could for exaple be a revision change on a serialnumber. Z- Scrap individuals or Delete serialnumber.
E- Synonym serialnumber information, Extra info as MAC-address etc. (not used on all sites)
There are more record-types but the above is the most common ones.
(FAQ ref. 2005-12-05A)