User's Manual
Table Of Contents
- PTP 250 User Guide
- Copyrights
- Safety and regulatory information
- Contents
- List of Figures
- List of Tables
- About This User Guide
- Chapter 1 Product description
- Chapter 2 Planning considerations
- Chapter 3 Legal information
- Chapter 4 Reference information
- Chapter 5 Installation
- Chapter 6 Configuration and alignment
- Chapter 7 Operation
- Chapter 8 Troubleshooting
- Testing link end hardware
- Testing when PoE LEDs do not illuminate correctly
- Testing after a lightning strike
- Test flowcharts
- AC LED is off
- AC LED is flashing
- PORT LED is off
- PORT LED is flashing
- Test Ethernet packet errors reported by ODU
- Test Ethernet packet errors reported by managed switch or router
- Test ping packet loss
- Test resistance at the PoE end of the drop cable
- Testing the radio link
- Testing link end hardware
- Glossary
PTP 250 User Guide Testing link end hardware
phn-2182_002v000
May 2011
8-3
Test flowcharts
Figure 8-1 Link end hardware test flowchart #1
No
Start
Is the PORT LED on
solidl?
Is the AC LED on solid?
Yes
Yes
Is the AC LED flashing?
Perform
“AC LED is off”
No
Perform
“AC LED is flashing”
Yes
Is the PORT LED
flashing?
Perform
“PORT LED is off”
No
Perform
“PORT LED is flashing”
Yes
No
Go to next flowchart