User's Manual

Chapter 1
phn-2182_002v000
May 2011
1-1
Chapter 1 Product description
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This chapter provides a high level description of the PTP 250 product. It describes in
general terms the function of the product, the main product variants and typical
deployment. It also describes the main hardware components.
The following topics are described in this chapter:
• Overview of the PTP 250 on
page 1-2 introduces the key features, typical uses,
product variants and components of the PTP 250.
• Outdoor unit (ODU)
on page 1-5 describes the ODU and its interfaces.
• Power over Ethernet injector (PoE power supply) o
n page 1-9 describes the PoE
power supply and its interfaces.
• Cabling and lightning protection on
page 1-13 describes the cabling and lightning
protection components of a PTP 250 installation.
• Wireless operation on
page 1-17 describes how the PTP 250 wireless link is
operated, including modulation modes, power control and security.
• Ethernet bridging on p
age 1-23 describes how the PTP 250 controls Ethernet
data in the customer and management networks.
• System management on
page 1-27 introduces the PTP 250 management system,
including the web interface, installation, configuration, alerts and upgrades.