Cambium Networks 5X250 User Guide
PTP 250
© 2011 Motorola Solutions, Inc. All Rights Reserved.
User Guide
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System Release 250-02-00
Accuracy
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liability resulting from any inaccuracies or omissions in this document, or from use of the information obtained herein.
Motorola Solutions, Inc. reserves the right to make changes to any products described herein to improve reliability,
function, or design, and reserves the right to revise this document and to make changes from time to time in content
hereof with no obligation to notify any person of revisions or changes. Motorola Solutions, Inc. does not assume any
liability arising out of the application or use of any product, software, or circuit described herein; neither does it convey
license under its patent rights or the rights of others. It is possible that this publication may contain references to, or
information about Motorola products (machines and programs), programming, or services that are not announced in your
country. Such references or information must not be construed to mean that Motorola intends to announce such Motorola
products, programming, or services in your country.
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The software described in this document is the property of Motorola Solutions, Inc. and its licensors. It is furnished by
express license agreement only and may be used only in accordance with the terms of such an agreement.
High Risk Materials
Components, units, or 3rd Party products used in the product described herein are NOT fault-tolerant and are NOT
designed, manufactured, or intended for use as on-line control equipment in the following hazardous environments
requiring fail-safe controls: the operation of Nuclear Facilities, Aircraft Navigation or Aircraft Communication Systems,
Air Traffic Control, Life Support, or Weapons Systems (High Risk Activities). Motorola and its supplier(s) specifically
disclaim any expressed or implied warranty of fitness for such High Risk Activities.
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names are the property of their respective owners.
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PTP 250 User Guide
Safety and regulatory information
This section describes important safety and regulatory guidelines that must be observed by
personnel installing or operating PTP 250 equipment.
Important safety information
To prevent loss of life or physical injury, observe the safety guidelines in this
section.
Power lines
Exercise extreme care when installing antennas near power lines.
Working at heights
Exercise extreme care when working at heights.
Grounding and protective earth
The Outdoor Unit (ODU) must be properly grounded to protect against lightning. It is the
user’s responsibility to install the equipment in accordance with national regulations. In
the USA, follow Section 810 of the
In Canada, follow Section 54 of the
correct installation procedures for grounding the outdoor unit, mast, lead-in wire and
discharge unit, size of grounding conductors and connection requirements for grounding
electrodes. Other regulations may apply in different countries and therefore it is
recommended that installation of the outdoor unit be contracted to a professional installer.
Using the correct power supply
Always use the Motorola Power over Ethernet injector unit (PoE power supply) or Powered
Indoor Unit (PIDU Plus) to power the ODU. Failure to use the correct power supply could
result in equipment damage and will invalidate the safety certification and may cause a
safety hazard.
National Electric Code, ANSI/NFPA No.70-1984
Canadian Electrical Code
. These codes describe
(USA).
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Safety and regulatory information
Alternative DC supply
If the PTP 250 is to be powered from a DC supply (either as the primary power source or
as a backup to the AC supply), the DC supply must be input to the ODU via a PIDU (not a
PoE power supply). The DC supply must be connected to the PIDU DC IN terminals. The
DC supply must comply with the following requirements:
• The voltage and polarity is correct and is applied to the correct terminals in the PIDU.
• The power source is rated as Safety Extra Low Voltage (SELV).
• The power source is rated to supply at least 1 A continuously.
• The power source cannot provide more than the Energy Hazard Limit as defined by
IEC/EN/UL60950-1, Clause 2.5, Limited Power (The Energy Hazard Limit is 240VA).
Powering down before servicing
Always power down and unplug the equipment before servicing.
Lightning protection unit (LPU)
Do not remove the LPU printed circuit board when the LPU is connected to the power
supply, as high voltages are present.
Non-Motorola power supply
Safety may be compromised if a different power supply is used than the one supplied by
Motorola as part of the system.
Drop cable tester
The drop cable tester must NEVER be used at the ODU end connected to power from the
PoE power supply. It must only be used at the bottom of the mast with a multimeter. This
is because the PoE power supply voltage exceeds the limit allowed in some countries for
safe handling in wet conditions and therefore may create a safety hazard.
Primary disconnect device
The main power supply is the primary disconnect device.
External cables
Safety may be compromised if outdoor rated cables are not used for connections that will
be exposed to the outdoor environment.
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RF exposure near the antenna
Strong radio frequency (RF) fields will be present close to the antenna when the
transmitter is on. Always turn off the power to the ODU before undertaking maintenance
activities in front of the antenna.
Minimum separation distances
Install the ODUs so as to provide and maintain the minimum separation distances from all
persons.
The minimum separation distances for each frequency variant are specified in Calculated
distances and
power compliance margins on page 4-10.
Important regulatory information
Operation of the PTP 250 product involves its use as an unlicensed device in frequency
bands where it is not allowed to cause interference to licensed services (called primary
users of the bands).
Radar avoidance
In some countries radar systems are the primary users and the regulators have devised
special requirements to protect their operation from interference caused by unlicensed
devices. The unlicensed devices are required to detect the presence of radar systems and
avoid co-channel operation with the radar systems.
The PTP 250 system provides detection and avoidance functionality for countries and
frequency bands requiring protection for radar systems.
Installers and users are reminded that they must follow local regulations with regard to
any requirements for radar detection as well as transmitted power level. This can be
achieved by using the correct country code for the product concerned. Failure to follow
this could leave the installer and/or user liable to civil and/or criminal penalties.
Contact the Motorola helpdesk if you are unsure about any specific areas where you need
guidance.
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Safety and regulatory information
USA specific information
The USA Federal Communications Commission (FCC) has asked manufacturers to
implement special features to prevent interference to weather radar systems that operate
in the band 5600 MHz to 5650 MHz
able to operate outdoors in the band 5470 MHz to 5725 MHz.
Manufacturers must ensure that such radio products cannot be configured to operate
outside of FCC rules; specifically it must not be possible to disable or modify the radar
protection functions that have been demonstrated to the FCC.
In order to comply with these clear FCC requirements for all manufacturers, Motorola is
releasing variants of PTP 250 for USA or Canada operation. These new devices will only
be allowed to operate in accordance with FCC/IC rules. In particular, operation of radio
channels overlapping the band 5600-5650 MHz is not allowed and these are permanently
barred in the products offered for sale in the USA/Canada.
Other versions of the products will be available for use in the rest of the world, but these
versions will not be supplied to the USA except under strict controls, when they are
needed for export and deployment outside the USA.
.
These features must be implemented in all products
To ensure compliance with FCC rules (
KDB 443999: Interim Plans to Approve UNII
Devices Operating in the 5470 - 5725 MHz Band with Radar Detection and DFS
Capabilities
), follow the instructions in Avoidance of weather radars (USA only) on page 2-
5.
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Contents
PTP 250 ........................................................................................................................... 1
Safety and regulatory information .................................................................................... I
Important safety information .................................................................................................. I
Important regulatory information ........................................................................................ III
About This User Guide ..................................................................................................... 1
Revision history ............................................................................................................................ 2
General information ..................................................................................................................... 3
Contacting Motorola .................................................................................................................... 4
Reporting problems ................................................................................................................ 5
Security advice ............................................................................................................................. 7
Warnings, cautions, and notes ..................................................................................................... 8
Caring for the environment .......................................................................................................... 9
Chapter 1: Product description .................................................................................. 1-1
Overview of the PTP 250 ........................................................................................................... 1-2
Purpose ............................................................................................................................... 1-2
Key features ........................................................................................................................ 1-2
Typical deployment ............................................................................................................. 1-3
System components ............................................................................................................ 1-3
Product variants .................................................................................................................. 1-4
Outdoor unit (ODU) .................................................................................................................. 1-5
ODU description .................................................................................................................. 1-5
ODU interfaces .................................................................................................................... 1-6
Connectorized ODU antenna interfaces .............................................................................. 1-7
Mounting brackets .............................................................................................................. 1-7
Network connection ............................................................................................................ 1-7
Further reading on the ODU ............................................................................................... 1-8
Power over Ethernet injector (PoE power supply) .................................................................... 1-9
PoE power supply description ............................................................................................. 1-9
PoE features ...................................................................................................................... 1-10
PoE power supply interfaces ............................................................................................. 1-10
Further reading on the PoE power supply ........................................................................ 1-12
Cabling and lightning protection ............................................................................................ 1-13
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