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  • Provide high stability, low noise 1300MHz reference to synchronize RF and Laser systems
  • Phase reference line (PRL) runs first 700m of LINAC
  • Also provide LO reference (1320MHz, 3920MHz) to LLRF chassis (separate distribution)
  • Long haul reference to experimental laser systems 4km away
  • Master timing source for LCLS-I (eventually); 476MHz to Main Drive Line (LCLS-I,FACET)
  • Lock/resync generated frequencies at 71.43kHz (1300MHz/18200), common subharmonic

SIM FPGA MAC-IP mapping

sioc-sys0-ms01Freq lockerL2KG02-251608:00:56:00:46:86192.168.1.16
sioc-sys0-ms02L0-L1 PLL masterL2KG02-242008:00:56:00:46:16192.168.1.20
sioc-sys0-ms03L2 PLL masterL2KG02-242808:00:56:00:49:55192.168.1.28
sioc-sys0-ms05L0-L1 VCO (slave)L2CID-041908:00:56:00:46:15192.168.1.19
sioc-sys0-ms06L2 VCO (slave)L2KG04-202408:00:56:00:46:FC192.168.1.24