TEM Timing Module, Field timing and synchronization measurements for the MTS-5800

TEM Timing Module, Field timing and synchronization measurements for the MTS-5800

The Viavi Solutions® TEM is the preferred tool for installing
and maintaining networks with stringent timing and
synchronization requirements


Together with the T-BERD/MTS-5800, the field-optimized TEM delivers industry-leading
accuracy to field portable timing and synchronization measurements. It features a GNSS antenna
input and a miniature atomic clock (MAC) to ensure nanosecond-accurate measurements even
when a satellite signal is not present and the module is running in holdover.


With a T-BERD/MTS 5800 and a TEM, you can:


  • Perform one-way delay measurements that help you root out asymmetric network delays
  • Precisely measure PTP PDV to pre-qualify or troubleshoot non-PTP-aware networks
  • Qualify GNSS antenna installations by evaluating satellite signal strength and eliminatingantenna faults
  • Troubleshoot the accuracy of equipment 1 PPS output signals with 1 PPS wander analysis
  • Measure T1 and E1 jitter and wander


Key Features


  • Verifies Ethernet and IP one-way delaynetwork latency
  • Confirms frequency, phase, and timesynchronization with near-lab gradeaccuracy in the field
  • Proves out GNSS antenna installations and faults
  • Supports multiple GNSS constellations including GPS, GLONASS, BeiDou, SBAS, and QZSS
  • Enable fast and accurate satellite acquisition with a modern 72 channel GNSS receiver
  • Supports multiple 1 PPS and 10 Mhz inputs and disciplined outputs
  • Performs 1588v2 (PTP) measurements including nanosecond-accurate PDV and time measurements
  • PTP grand master (PRTC) emulation
  • Nanosecond accurate one-way delay 1/10 GE measurements


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