ContentsNI PXI-6682 Series User Manual vi ni.comBrief Overview of PXI Synchronization Features .......................................... 3-13Using the PXI Triggers ................................................................................... 3-15Using the PXI Star Triggers (NI PXI-6682 only) ........................................... 3-16Choosing the Type of Routing ........................................................................ 3-16Asynchronous Routing ..................................................................... 3-16Synchronous Routing ....................................................................... 3-18Chapter 4SynchronizationGPS................................................................................................................................ 4-1IRIG-B........................................................................................................................... 4-1IEEE 1588 ..................................................................................................................... 4-3PPS ................................................................................................................................ 4-3Synchronization Best Practices ..................................................................................... 4-3Operating Environment................................................................................... 4-4Timing System Performance ............................................................ 4-4IEEE 1588 Synchronization Best Practices .................................................... 4-4Network Topology............................................................................ 4-4GPS Synchronization Best Practices............................................................... 4-5Appendix ASpecificationsAppendix BIRIG Protocol OverviewAppendix CTechnical Support and Professional ServicesGlossaryIndex