EXFO PPM-350D - 10 Troubleshooting; Solving Common Problems

PON Power Meter 53
10 Troubleshooting
Solving Common Problems
Problem Possible Cause Solution
Slow charge. Charger not powerful
enough, cable too long
or low quality.
Use provided cable and
charger.
Unit not charging when
plugged in with provided
cable and charger.
Battery may be
completely depleted.
Press power button
while the unit is still
plugged in.
ONT power detected
when it shouldn't be.
A reflection might be
present on the network.
Check for unconnected,
damaged, or dirty UPC
connectors. Connect,
replace, or clean them.
ONT power not detected
when there is power.
Signal is continuous or
burst is very different
from known standards
regarding duration and
period.
Measurements on the
ONT side are designed
for burst measurements
coming from ONTs that
respect known standards
of duration and period.
For CW measurements,
activate the ONT CW
option as shown in
Setting Parameters on
page 24.