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 Power supply unit specifications
phn-2182_002v000
May 2011
4-13
Power supply unit electrical
The power supply units conform to the electrical specifications listed in Table 4-11.
Table 4-11 Power supply unit electrical specifications
Category PoE power supply PIDU
AC input voltage 100 to 240 V AC 90 to 264 V AC
AC input current 0.8A @ 110 to 220 V AC
AC frequency 50 to 60 Hz 47 to 60 Hz
Alternative DC Input None. 37 to 60 V DC
The PoE power supply conforms to the Ethernet interface specifications listed in Table
4-12.
Table 4-
12 PoE power supply Ethernet interface specifications
Category PoE power supply
Input (Data In) Ethernet 10/100/1000 Base-T
(RJ-45 female socket)
Output (Data & Power Out) Ethernet 10/100/1000 Base-T, plus 55 V DC
(nominal)
RJ-45 female socket, with DC voltage on pairs
7-8 (-) and 4-5 (+)
User Port Power: 30 Watts Max