VeEX MTTplus, User Manual

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5.1.9 High Precision Clock Source
Precision Clock References
GPS Receiver (HW Option)
The optional high-sensitivity GPS module (built-in) provides accurate Phase alignment and Coordinated Universal Time (UTC) synchronization to the test set, in the form
of internal pulse-per-second (1PPS) clock synchronized to the standard second and time stamps. This is used to assure that two or more geographically-distributed test
sets have the exact same time and can calculate delays. One example is the One-Way-Delay (Latency) tests used to identify asymmetry between each direction of a link.
MTTplus e_Manual D07-00-096P RevA00 Page 22 of 66