选件及功能:
002:2nd RF source
003:Flexible CDMA base station emulator
004:Digital bus
ATP02:ATP lead-time item for E5515C NPI applications
E16:225MHz universal counter - 10 digits
R45:Hardware revision 4.5
R48:Hardware revision 4.8
R50:Hardware revision 5.0
R51:Hardware revision 5.1
R55:Hardware revision 5.5