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 Data network specifications
phn-2182_003v004 (Oct 2011)
UNDER DEVELOPMENT
4-7
Data network specifications
This section contains specifications of the PTP 250 Ethernet interface.
Ethernet interfaces
The PTP 250 Ethernet ports conform to the specifications listed in Table 4-10.
Table 4-10 Ethernet bridging specifications
Ethernet bridging Specification
Protocol IEEE802.1 compatible
Interface 1000BaseT (RJ-45), supports MDI/MDIX auto-
crossover
Maximum Ethernet data rate 220 Mbps
Maximum Ethernet frame size 2000 bytes
NOTE
Practical Ethernet rates will depend on network configuration, higher layer protocols and
platforms used.
Over the air throughput will be capped to the rate of the Ethernet interface at the
receiving end of the link.