05/04/15 A SERIAL NO. BREAKDOWN: APX WW YY XXX SSSS SERIAL NUMBER (EX: 0001, 0002, ETC.) LAST 3 DIGITS OF ACD P/N MFG YEAR MFG WEEK 05/04/15 LF SFP+ MM OPTICAL MODULE BA 05/04/15 SF-10GSFPPLCL-000 1 205/04/15 A 05/04/15 LF SFP+ MM OPTICAL MODULE 05/04/15 BA SF-10GSFPPLCL-000 2 2