Motorola PTP 250 User Manual page 13

PTP 250 User Guide
Diagnostics calculated over time ...................................................................................... 7-23
Restoring, resetting and rebooting ......................................................................................... 7-24
Restoring the system configuration .................................................................................. 7-24
Resetting to default configuration (without country reset) .............................................. 7-25
Resetting to default configuration (with country reset) ................................................... 7-26
Recovering a lost IP address ............................................................................................. 7-28
Rebooting the unit ............................................................................................................. 7-28
Chapter 8: Troubleshooting ....................................................................................... 8-1
Testing link end hardware ........................................................................................................ 8-2
Testing when PoE LEDs do not illuminate correctly ........................................................... 8-2
Testing after a lightning strike ........................................................................................... 8-2
Test flowcharts .................................................................................................................... 8-3
AC LED is off ....................................................................................................................... 8-5
AC LED is flashing .............................................................................................................. 8-5
PORT LED is off .................................................................................................................. 8-6
PORT LED is flashing .......................................................................................................... 8-6
Test Ethernet packet errors reported by ODU ................................................................... 8-8
Test Ethernet packet errors reported by managed switch or router .................................. 8-8
Test ping packet loss ........................................................................................................... 8-9
Test resistance in the ODU cable ...................................................................................... 8-10
Testing the radio link .............................................................................................................. 8-12
No activity ......................................................................................................................... 8-12
Some activity ..................................................................................................................... 8-13
Radio and television interference ..................................................................................... 8-13
Glossary ........................................................................................................................... I
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