User's Guide
Table Of Contents
- PTP 250 User Guide
- 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 in the ODU cable
- Testing the radio link
- Testing link end hardware
- Glossary
PTP 250 User Guide
phn-2182_003v004 (Oct 2011)
UNDER DEVELOPMENT
8-1
Chapter 8: Troubleshooting
This chapter contains procedures for identifying and correcting faults in a PTP 250 link.
These procedures can be performed either on a newly installed link, or on an operational
link if communication is lost, or after a lightning strike.
The following topics are described in this chapter:
• Testing link end hardware on
page 8-2 describes how to test the link end hardware,
either when it fails on startup, or after a lightning strike.
• Testing the radio link on
page 8-12 describes how to test the link when there is no
radio communication, or when it is unreliable, or when the data throughput rate is too
low