Motorola Motorola PTP 250, Руководство пользователя, Страница: 59 / 236

Chapter 2
phn-2182_002v000
May 2011
2-1
Chapter 2 Planning considerations
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
.
.
.
This chapter provides information to help the user to plan a PTP 250 link.
The following topics are described in this chapter:
x
Spectrum planning on page 2-2 describes the regulatory restrictions that affect
radio spectrum usage, such as frequency range and radar avoidance.
x
Site planning on page 2-4 describes factors to be considered when choosing sites
for the ODU and PoE power supply.
x
Link planning on page 2-8 describes factors to be taken into account when
planning links, such as range and path loss. Introduces the PTP LINKPlanner.
x
Grounding and lightning protection on page 2-11 describes the grounding and
lightning protection requirements of a PTP 250 installation.
x
Data network planning on page 2-21 d escribes factors to be considered when
planning PTP 250 data networks.