User's Guide Part 2

User Guide: PTP 600 Series Lightning strike
phn-0896_009v003
Feb 2010
UNDER DEVELOPMENT
7-19
Lightning strike
If a link end installation is struck by lightning, perform Procedure 7-17.
Procedure 7-17 Testing a link end after lightning strike
1
Perform the tests specified in
Test link end hardware on page 7-2.
2
Ensure that the PIDU Plus is working and that the resistances are correct as
specified in
Test resistance at the PIDU on page 7-12.
3
If the ODU is not working, power off the ODU and both LPUs and return them
to Motorola.
4
If the ODU is working but there is suspicion of damage to the LPU, then take
the LPUs down and take the covers off, inspect for damage, test the big diode
for short circuit and test all other diodes for forward voltage.