VeEX VePAL TX300M, User Manual

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Tx Separate:
Independent control (Start/Stop) of the transmitter is enabled. At the start of the test only the receiver is
turned on -- the user must start the transmitter manually.
Tx Coupled:
Transmitter and receiver are turned on at the same time, and the Tx and Rx measurements start at the
same time at the start of the test.
Clock Synchronization Device:
Disable, GPS, CDMA. Select the device to be used to synchronize the clock to perform the
One Way Delay measurement. The choices are GPS and CDMA. The following devices are recommended by VeEX for best
performance:
GPS: Trimble Thunderbolt E GPS Disciplined Clock
CDMA: EndRun Technologies Praecis2
When a device is selected the following fields can be seen on the screen:
External Clock Input:
1pps (SMA Port). The SMA Port must be used for the 1pps signal.
UTC ToD:
Displays the Coordinated Universal Time (UTC) Time of Day once it is acquired.
Clock Sync Time:
Time field to configure the UTC ToD that both test sets, carrying out a one-way delay test between
each other, will be synchronizing their internal time stamping at.
Note:
Both test sets must be configured to the same Clock Sync Time.
Note: Clock Synchronization is not supported on all the TX300 models. Check with customer care for availability.
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15.1.3.1 Clock Synchronization Process:
1. Connect the GPS/CDMA Hardware to the TX300 unit. The 1pps output of the GPS/CDMA receiver is to be connected to the SMA
External Clock port on the TX300 unit. Connect the ToD output from the GPS/CDMA receiver to the USB port via a Serial-to-USB
converter cable.
Ports Connection
2. Select GPS/CDMA under Setup > Measurement > Clock Synchronization Device.
Clock Synchronization Device
TX300S_e-manual_D07-00-064P_RevA00