VIAVI Solutions T-BERD/MTS 5800 User manual

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T-BERD/MTS 5800 Portable Network Tester
QUICK CARD
https://www.viavisolutions.com/en-us/products/timing-expansion-module-v2-tem-v2
T-BERD/MTS 5800 Portable Network Tester
Measuring the Time Delay of a Satellite Antenna and Cable System
This quick card approximates the time delay from a satellite antenna and cable system to
an Edge Grand Master (EGM) or router operating as an EGM.
EQUIPMENT REQUIREMENTS
CONNECT ANTENNA UNDER TEST AND COMPLETE SURVEY
1.
Identify the connector type of the Satellite
Antenna system. If the connector is not SMA
male, connect an SMAmale adapter to the cable
The TEM uses an SMA Female connector.
2.
Connect the antenna cable system under test
to
the female SMA connector on the TEM V2
(labeledAntenna).
3.
Tighten the connector until the antenna is
securely attached.
4.
Press the power button to turn o, n the test
set.
5.
Activate the TEM V2 Timing Module, setup the
GNSS Receiver, Complete a survey, and verify
GNSS Reception as described in the following
quick card. When you configure the Antenna
Time Bias,
select the Antenna Type for the VIAVI
supplied reference antenna, not the antenna
system under test:
•T-BERD/MTS-5800 - Enabling the TEM V2
Timing Expansion Module
6.
Wait for survey to complete and for Tuning
Status to reach at least Intermediate Tune.
Figure 2: TEM V2
►T-BERD/MTS 5800 with Transport Software
Release V31.2.1 or greater
►Timing Expansion Module V2 (TEM V2)
►GNSS Antenna with known delay
(VIAVI provided Taoglas A.171,Taoglas
AA.162, Tallysman TW7882, or Maxtena
M9706CWT recommended)
►SMA Male Adapter to adapt to the connector
type on the antenna system under test. Figure 1: Equipment Requirements
TEM V2 GNSS
Antenna
Figure 3: TEM V2 Results Screen

VIAVI//Public
T-BERD/MTS 5800 Portable Network Tester
QUICK CARD
© 2023 VIAVI Solutions, Inc,
Product specifications and descriptions in this
document are subject to change without notice.
Patented as described at viavisolutions.com/patents
Contact Us
To reach the VIAVI office nearest you,
visit viavisolutions.com/contact
+1 844 GO VIAVI
([phone])
CONNECT REFERENCE ANTENNA AND COMPLETE SURVEY
1. Tap the Force Holdover button at the
bottom on the screen. The button will turn yellow
and be relabeled Release Holdover .
2. Disconnect the antenna cable system under
test from the TEM V2 timing module.
3. Connect the Viavi-provided magnetic mount
antenna to the TEM V2 Antenna and place the
puck of the antenna in a location with clear-sky
view. If you have to move the T-BERD/MTS to a
different location, the ambient temperature
should be close to that of the originallocation.
If moving from indoors to outdoors, place the
T-BERD/MTS in cooled or heated vehicle.
4. Press the Start Survey button at the
bottom of the screen.
5. In pop-up window, select Fast–15 minutes
and tap OK.
6. Wait for the 15 minutes survey to complete.
Figure 4: Timing Module GNSS Status Results
Figure 5: Start Survey pop-up window
VIEW ANTENNA DELAY
1. After the survey finishes, press the Release
Holdover button at the bottom of the
screen.
2. The Total Antenna Delay/Holdover Shift (ns)
value will populate in approximately 10 seconds.
This is the Total Delay of the Satellite antenna
system.
Figure 6: GNSS Status, Total Antenna Delay/Holdover Shift