OMNISCANNER
The example shows a Time Domain Return Loss that exceeds the
Press ESC to exit the TDRL screen.
6.4.1USING TDRL TO DIAGNOSE A LINK
A graph containing peaks that are located outside the
If Return Loss fails but the TDRL graph displays peaks within the
If failures occur at both ends of the link, use or to diagnose each end. Failures at both ends of the link can interact.
6.4.2TDRL EXAMPLES
The following examples show the diagnostics process that is performed to identify failures on typical links with 2 meter test cables.
GOOD CABLE, BAD CONNECTION:
The cursor in the Return Loss graph is located at the worst Return Loss at 135.2 MHz, which is outside the limit line. (For display purposes the cursor was moved.) The Link failed. Why?