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Overview of the PTP 250
Overview of the PTP 250
This section introduces the key features, typical uses, product variants and
components of the PTP 250.
Purpose
Motorola PTP 250 products are designed for Ethernet bridging over point-to-point
microwave links in the unlicensed bands 5.4 GHz (ETSI Band B) and 5.8 GHz (ETSI
Band C and FCC ISM band). Users must ensure that the links comply with local
operating regulations.
The PTP 250 is used to create a transparent bridge between two segments of the
operator's network. This bridge can be treated as a virtual wired connection between
two points.
Key features
The key features of the PTP 250 include:
x
Orthogonal Frequency Division Multiplexing (OFDM) modulation and Multiple-
Input Multiple-Output (MIMO) techniques.
x
Wireless connections of up to 54 km (34 miles) in near line-of-sight conditions.
x
High link availability, through the use of adaptive modulation techniques that
dynamically reduce the data rate in severe or adverse conditions.
x
High-sensitivity antennas for improved signal recovery.
x
A built-in web server for advanced management capabilities including detailed
radio signal diagnosis.
x
Password control and encryption.
Benefit of the chosen bands
The products operate in bands that offer the dual benefits of high data throughput and
good radio propagation characteristics. The wide band of spectrum available is
subdivided into several channels such that multiple systems can operate in the vicinity
without causing interference to one another.
1-2
Chapter 1 Product description
phn-2182_002v000
May 2011
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