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PTP 250
phn-2182_002v000
User Guide
System Release 250-01-00
© 2011 Motorola Solutions, Inc. All Rights Reserved.
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Accuracy
While reasonable efforts have been made to assure the accuracy of this document, Motorola Solutions, Inc. assumes
no 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.
Copyrights
This document, Motorola products, and 3rd Party Software products described in this document may include or
describe copyrighted Motorola and other 3
rd
Party supplied computer programs stored in semiconductor memories or
other media. Laws in the United States and other countries preserve for Motorola, its licensors, and other 3
rd
Party
supplied software certain exclusive rights for copyrighted material, including the exclusive right to copy, reproduce in
any form, distribute and make derivative works of the copyrighted material. Accordingly, any copyrighted material of
Motorola, its licensors, or the 3
rd
Party software supplied material contained in the Motorola products described in
this document may not be copied, reproduced, reverse engineered, distributed, merged or modified in any manner
without the express written permission of Motorola. Furthermore, the purchase of Motorola products shall not be
deemed to grant either directly or by implication, estoppel, or otherwise, any license under the copyrights, patents or
patent applications of Motorola or other 3rd Party supplied software, except for the normal non-exclusive, royalty free
license to use that arises by operation of law in the sale of a product.
Restrictions
Software and documentation are copyrighted materials. Making unauthorized copies is prohibited by law. No part of
the software or documentation may be reproduced, transmitted, transcribed, stored in a retrieval system, or
translated into any language or computer language, in any form or by any means, without prior written permission of
Motorola Solutions, Inc.
License Agreements
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.
Trademarks
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service
names are the property of their respective owners.
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Safety
and
Regulatory
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
.
.
.
.
WARNING
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
No.70-1984
These codes describe 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.
(USA). In Canada, follow Section 54 of the
National Electric Code, ANSI/NFPA
Canadian Electrical Code
.
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Safety and Regulatory
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.
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:
x The voltage and polarity is correct and is applied to the correct terminals in the
PIDU.
x The power source is rated as Safety Extra Low Voltage (SELV).
x The power source is rated to supply at least 1 A continuously.
x 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.
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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.
Safety and Regulatory
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
4-25.
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Safety and Regulatory
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.
IV
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Contents,
Figures and
Tables
Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety and regulatory information .................................................................................... I
Important safety information .................................................................................................. I
Important regulatory information ........................................................................................ IV
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 ............................................................................................................ 1-4
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
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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
PTP and lightning protection ............................................................................................ 1-13
Outdoor connections ......................................................................................................... 1-13
Indoor connections ............................................................................................................ 1-14
Cable grounding kits ......................................................................................................... 1-14
Lightning protection units (LPUs) .................................................................................... 1-15
Further reading on cabling and lightning protection ....................................................... 1-16
Wireless operation .................................................................................................................. 1-17
Wireless Transmissions ..................................................................................................... 1-17
Spectrum management ..................................................................................................... 1-17
Adaptive modulation ......................................................................................................... 1-17
MIMO ................................................................................................................................ 1-18
Radar avoidance ................................................................................................................ 1-19
Security ............................................................................................................................. 1-20
Country of operation ......................................................................................................... 1-20
Using frequency planning ................................................................................................. 1-21
Further reading on wireless operation ............................................................................. 1-22
Ethernet bridging .................................................................................................................... 1-23
Customer network ............................................................................................................. 1-23
Management network ....................................................................................................... 1-24
Back-to-back links ............................................................................................................. 1-24
Protocol model .................................................................................................................. 1-25
Further reading on Ethernet bridging .............................................................................. 1-26
System management ............................................................................................................... 1-27
Web server ........................................................................................................................ 1-27
Firmware upgrade ............................................................................................................ 1-28
Reset to factory defaults ................................................................................................... 1-28
Further reading on system management .......................................................................... 1-28
Chapter 2 Planning considerations ............................................................................... 2-1
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Spectrum planning .................................................................................................................... 2-2
Available spectrum .............................................................................................................. 2-2
Frequency selection ............................................................................................................ 2-3
Channel width ..................................................................................................................... 2-3
Site planning ............................................................................................................................. 2-4
ODU site selection ............................................................................................................... 2-4
Power supply selection ........................................................................................................ 2-4
Maximum cable lengths ...................................................................................................... 2-5
Wind loading ....................................................................................................................... 2-5
Link planning ............................................................................................................................ 2-8
Range and obstacles ........................................................................................................... 2-8
PTP LINKPlanner ................................................................................................................ 2-8
Path loss considerations ...................................................................................................... 2-9
When to install connectorized units .................................................................................. 2-10
Grounding and lightning protection ........................................................................................ 2-11
Standards .......................................................................................................................... 2-11
Lightning protection zones ............................................................................................... 2-11
General protection requirements ...................................................................................... 2-12
Protection requirements for a mast or tower installation ................................................. 2-14
Protection requirements for a wall installation ................................................................ 2-16
Protection requirements on a high rise building .............................................................. 2-17
Data network planning ............................................................................................................ 2-21
IP interface ........................................................................................................................ 2-21
Back to back links ............................................................................................................. 2-21
‘Green Ethernet’ switches ................................................................................................. 2-21
Chapter 3 Legal information ......................................................................................... 3-1
Motorola Solutions, Inc. end user license agreement ............................................................... 3-2
Definitions ........................................................................................................................... 3-2
Grant of license ................................................................................................................... 3-2
Conditions of use ................................................................................................................. 3-3
Title and restrictions ........................................................................................................... 3-4
Confidentiality ..................................................................................................................... 3-4
Right to use Motorola’s name ............................................................................................. 3-5
Transfer ............................................................................................................................... 3-5
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Updates ............................................................................................................................... 3-5
Maintenance ....................................................................................................................... 3-5
Disclaimer ........................................................................................................................... 3-6
Limitation of liability ........................................................................................................... 3-6
U.S. government ................................................................................................................. 3-7
Term of license .................................................................................................................... 3-7
Governing law ..................................................................................................................... 3-7
Assignment .......................................................................................................................... 3-7
Survival of provisions .......................................................................................................... 3-8
Entire agreement ................................................................................................................ 3-8
Third party software ........................................................................................................... 3-8
Hardware warranty ................................................................................................................... 3-9
Limit of liability ....................................................................................................................... 3-10
Chapter 4 Reference information ................................................................................. 4-1
Installation inventories ............................................................................................................. 4-2
PTP 250 kits ........................................................................................................................ 4-2
Other standard components................................................................................................ 4-5
Components required with connectorized ODUs ................................................................ 4-7
Alternative components ...................................................................................................... 4-9
ODU specifications .................................................................................................................. 4-10
ODU dimensions and weight ............................................................................................. 4-10
ODU environmental .......................................................................................................... 4-11
Power supply unit specifications ............................................................................................. 4-12
Power supply unit dimensions and weight ........................................................................ 4-12
Power supply unit environmental ..................................................................................... 4-12
Power supply unit electrical.............................................................................................. 4-13
Antenna specifications ............................................................................................................ 4-14
Antenna selection criteria ................................................................................................. 4-14
5.8 GHz FCC antenna restrictions .................................................................................... 4-15
Wireless specifications ............................................................................................................ 4-19
General wireless specifications ......................................................................................... 4-19
Data network specifications .................................................................................................... 4-21
Ethernet interfaces ........................................................................................................... 4-21
Compliance with safety standards .......................................................................................... 4-22
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Electrical safety compliance ............................................................................................. 4-22
Electromagnetic compatibility (EMC) compliance ............................................................ 4-22
Human exposure to radio frequency energy ..................................................................... 4-23
Compliance with radio regulations ......................................................................................... 4-27
Regulatory constraints on radio operation ....................................................................... 4-27
Type approvals .................................................................................................................. 4-27
FCC and ETSI compliance testing .................................................................................... 4-28
Radio and television interference ..................................................................................... 4-29
Maximum permitted EIRP ................................................................................................. 4-29
Calculating EIRP for connectorized units ......................................................................... 4-30
Examples of regulatory limits ........................................................................................... 4-32
Notifications ............................................................................................................................ 4-33
5.4 GHz European Union notification ............................................................................... 4-33
5.8 GHz FCC and IC notification ....................................................................................... 4-33
5.8 GHz European Union notification ............................................................................... 4-35
Chapter 5 Installation .................................................................................................. 5-1
Preparing for installation .......................................................................................................... 5-2
Unit pre-configuration ......................................................................................................... 5-2
Safety precautions .............................................................................................................. 5-2
Protection requirements ..................................................................................................... 5-3
Preparing personnel ............................................................................................................ 5-3
Preparing inventory ............................................................................................................ 5-3
Preparing tools .................................................................................................................... 5-4
Installing the ODU .................................................................................................................... 5-5
Checks and safety precautions ........................................................................................... 5-5
Selecting a position for the ODU (connectorized) .............................................................. 5-7
Mounting the ODU .............................................................................................................. 5-7
Installing connectorized antennas ............................................................................................ 5-9
Preparing for connectorized installations ........................................................................... 5-9
Mounting and connecting antennas .................................................................................... 5-9
Installing the drop cable and LPU .......................................................................................... 5-14
Preparing drop cables ....................................................................................................... 5-15
Assembling an RJ45 connector and gland ......................................................................... 5-16
Installing and grounding the main drop cable .................................................................. 5-18
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Connecting an RJ45 and gland to a unit ........................................................................... 5-19
Disconnecting an RJ45 and gland from a unit .................................................................. 5-21
Making a drop cable ground point .................................................................................... 5-22
Installing and grounding the drop cable at building entry ............................................... 5-25
Installing the PoE power supply ............................................................................................. 5-27
Preparing for PoE power supply installation .................................................................... 5-27
Mounting the PoE power supply ....................................................................................... 5-28
Connecting the PoE power supply to the drop cable ........................................................ 5-29
Preparing the PoE power supply to network equipment cable ......................................... 5-30
Chapter 6 Configuration and alignment ........................................................................ 6-1
Preparing for configuration and alignment .............................................................................. 6-2
Safety precautions during configuration and alignment .................................................... 6-2
Regulatory compliance during configuration and alignment ............................................. 6-2
Selecting configuration options .......................................................................................... 6-2
Connecting to the unit .............................................................................................................. 6-3
Configuring the management PC ........................................................................................ 6-3
Connecting to the PC and powering up .............................................................................. 6-5
Logging into the web interface ........................................................................................... 6-6
Upgrading firmware version ................................................................................................... 6-10
Checking the installed firmware version .......................................................................... 6-10
Saving the system configuration ....................................................................................... 6-11
Uploading a new firmware version ................................................................................... 6-12
Using the installation wizard .................................................................................................. 6-14
Starting installation wizard ............................................................................................... 6-14
Step 1: LAN configuration ................................................................................................ 6-15
Step 2: Wireless configuration .......................................................................................... 6-17
Step 3: Date and time settings .......................................................................................... 6-20
Step 4: Email configuration .............................................................................................. 6-22
Step 5: Confirm installation configuration ........................................................................ 6-23
Aligning antennas ................................................................................................................... 6-24
Starting up the units ......................................................................................................... 6-24
Checking that the units are armed ................................................................................... 6-25
Aligning antennas ............................................................................................................. 6-25
Aligning separate antennas for spatial diversity .............................................................. 6-27
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Monitoring received signal level ....................................................................................... 6-27
Disarming the units ........................................................................................................... 6-30
Connecting link to the network ............................................................................................... 6-31
Reviewing system configuration attributes....................................................................... 6-31
Comparing actual to predicted performance .................................................................... 6-34
Connecting to the network ................................................................................................ 6-35
Chapter 7 Operation ..................................................................................................... 7-1
Web-based management ........................................................................................................... 7-2
Accessing the web interface ............................................................................................... 7-2
Using the menu options ...................................................................................................... 7-4
Viewing the system summary ............................................................................................. 7-6
Viewing the system status ................................................................................................... 7-8
Changing password ........................................................................................................... 7-14
Logging out ....................................................................................................................... 7-14
Managing link status and alerts .............................................................................................. 7-15
Managing link status ......................................................................................................... 7-15
Managing email alerts ...................................................................................................... 7-16
Managing performance ........................................................................................................... 7-17
Checking system statistics ................................................................................................ 7-17
Checking channel status ................................................................................................... 7-19
Checking the retry histogram ........................................................................................... 7-20
Using the diagnostics plotter ............................................................................................ 7-21
Diagnostics calculated over time ...................................................................................... 7-23
Restoring, resetting and rebooting ......................................................................................... 7-24
Saving and restoring the configuration file ...................................................................... 7-24
Resetting to default configuration (without country reset) .............................................. 7-25
Resetting to default configuration (with country reset) ................................................... 7-26
Recovering a lost IP address ............................................................................................. 7-28
Rebooting the unit ............................................................................................................. 7-28
Chapter 8 Troubleshooting ........................................................................................... 8-1
Testing link end hardware ........................................................................................................ 8-2
Testing when PoE LEDs do not illuminate correctly ........................................................... 8-2
Testing after a lightning strike ........................................................................................... 8-2
Test flowcharts .................................................................................................................... 8-3
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AC LED is off ....................................................................................................................... 8-5
AC LED is flashing .............................................................................................................. 8-5
PORT LED is off .................................................................................................................. 8-6
PORT LED is flashing .......................................................................................................... 8-6
Test Ethernet packet errors reported by ODU ................................................................... 8-8
Test Ethernet packet errors reported by managed switch or router .................................. 8-8
Test ping packet loss ........................................................................................................... 8-9
Test resistance at the PoE end of the drop cable ............................................................. 8-10
Testing the radio link .............................................................................................................. 8-12
No activity ......................................................................................................................... 8-12
Some activity ..................................................................................................................... 8-13
Glossary ........................................................................................................................... I
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Contents,
Figures and
Tables
List of Figures
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1-1 Typical PTP 250 bridge deployment (grounding not shown) ....................................... 1-3
Figure 1-2 Integrated ODU (front and rear views) ....................................................................... 1-5
Figure 1-3 Connectorized ODU (front and rear views) ................................................................. 1-5
Figure 1-4 ODU interfaces ............................................................................................................ 1-6
Figure 1-5 Connectorized ODU antenna interfaces ...................................................................... 1-7
Figure 1-6 PoE power supply ........................................................................................................ 1-9
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Figure 1-7 PoE power supply interfaces ..................................................................................... 1-10
Figure 1-8 Cable grounding kit for 1/4” and 3/8” cable .............................................................. 1-14
Figure 1-9 LPU kit ....................................................................................................................... 1-15
Figure 1-10 Protocol layers between Ethernet and wireless interfaces ..................................... 1-25
Figure 1-11 Protocol layers between external interfaces and the management agent ............... 1-26
Figure 2-1 Rolling sphere method to determine the lightning protection zones ........................ 2-12
Figure 2-2 Grounding cable minimum bend radius and angle .................................................... 2-14
Figure 2-3 Grounding and lightning protection on mast or tower .............................................. 2-15
Figure 2-4 Grounding and lightning protection on wall .............................................................. 2-16
Figure 2-5 Grounding and lightning protection on building ....................................................... 2-17
Figure 2-6 Grounding and lightning protection inside high building .......................................... 2-18
Figure 2-7 Grounding in a high rise building – building steel not available ............................... 2-19
Figure 2-8 Grounding in a high rise building – building steel available ..................................... 2-20
Figure 4-1 European Union certification on 5.4 GHz product label ........................................... 4-33
Figure 4-2 FCC and IC certifications on 5.8 GHz product label ................................................. 4-34
Figure 4-3 European Union certification on 5.8 GHz product label ........................................... 4-35
Figure 5-1 Checking the ODU before mounting ............................................................................ 5-6
Figure 5-2 Lightning arrestor mounting ..................................................................................... 5-11
Figure 5-3 Polyphaser assembly .................................................................................................. 5-11
Figure 5-4 Forming a drip loop ................................................................................................... 5-12
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List of Figures
Figure 5-5 Weatherproofing the antenna connections ................................................................ 5-12
Figure 5-6 Grounding points for antenna cables ........................................................................ 5-13
Figure 5-7 Typical hoisting grip on cable .................................................................................... 5-15
Figure 5-8 Correct cable preparation for drop cable of the supported type ............................... 5-17
Figure 5-9 Drop cable with RJ45 and gland ................................................................................ 5-18
Figure 5-10 Correct and incorrect tightening of cable gland back shell .................................... 5-20
Figure 5-11 Grounding at building entry .................................................................................... 5-25
Figure 5-12 Mounting slots on underside of PoE power supply ................................................. 5-28
Figure 5-13 PoE power supply connected to LPU-PoE cable ...................................................... 5-29
Figure 6-1 IP configuration on the PC .......................................................................................... 6-4
Figure 6-2 Internet Protocol (TCP/IP) Properties page ................................................................. 6-4
Figure 6-3 PoE power supply connected to ODU and PC (or network) ........................................ 6-5
Figure 6-4 Digital signature confirmation (on first login) ............................................................. 6-7
Figure 6-5 Digitally signed Java app splash screen ...................................................................... 6-7
Figure 6-6 Login page ................................................................................................................... 6-8
Figure 6-7 Change Password page (on first login) ........................................................................ 6-8
Figure 6-8 Set Country Code page (on first login) ........................................................................ 6-9
Figure 6-9 Menu and System Summary page (on first login) ....................................................... 6-9
Figure 6-10 Firmware Version in System Status page ............................................................... 6-10
Figure 6-11 Save & Restore page ............................................................................................... 6-11
Figure 6-12 Firmware Update page ............................................................................................ 6-13
Figure 6-13 Upload Successful page ........................................................................................... 6-13
Figure 6-14 Step 5: Confirm Configuration page (when unit is armed) ..................................... 6-14
Figure 6-15 Step 1: LAN Configuration page .............................................................................. 6-15
Figure 6-16 Step 2: Wireless Configuration page ....................................................................... 6-17
Figure 6-17 Step 3: Date and Time Settings page ...................................................................... 6-20
Figure 6-18 Step 4: Email Configuration page ............................................................................ 6-22
Figure 6-19 Step 5: Confirm Configuration page ........................................................................ 6-23
Figure 6-20 System Summary page (when unit is armed) .......................................................... 6-25
Figure 6-21 Graphical Alignment page ....................................................................................... 6-29
Figure 6-22 System Configuration page ..................................................................................... 6-32
Figure 6-23 LAN Configuration page .......................................................................................... 6-32
Figure 6-24 Date and Time Settings page ................................................................................... 6-33
Figure 6-25 System Status page ................................................................................................. 6-34
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List of Figures
Figure 7-1 Login page ................................................................................................................... 7-2
Figure 7-2 Menu and System Summary page (wireless link up) ................................................... 7-3
Figure 7-3 Menu navigation bar .................................................................................................... 7-4
Figure 7-4 System Summary page ................................................................................................ 7-6
Figure 7-5 System Status page ..................................................................................................... 7-8
Figure 7-6 Change Password page .............................................................................................. 7-14
Figure 7-7 Status warning triangle ............................................................................................. 7-15
Figure 7-8 System Statistics page ............................................................................................... 7-17
Figure 7-9 Channel Status page .................................................................................................. 7-19
Figure 7-10 Retry Histogram page .............................................................................................. 7-20
Figure 7-11 Diagnostic Plotter page ........................................................................................... 7-21
Figure 7-12 Diagnostic attributes calculated over time ............................................................... 7-23
Figure 7-13 Using the reset plug ................................................................................................ 7-27
Figure 7-14 Reboot Wireless Unit page ...................................................................................... 7-28
Figure 8-1 Link end hardware test flowchart #1 .......................................................................... 8-3
Figure 8-2 Link end hardware test flowchart #2 .......................................................................... 8-4
Figure 8-3 PTP LPU test points and PWR LED ............................................................................. 8-7
Figure 8-4 Drop cable tester (front and back views) .................................................................. 8-10
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Contents,
Figures and
Tables
List of Tables
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1-1 ODU interface functions ................................................................................................ 1-6
Table 1-2 PoE power supply interface functions ......................................................................... 1-11
Table 1-3 PoE power supply indicator LEDs ............................................................................... 1-11
Table 2-1 Maximum cable lengths ................................................................................................ 2-5
Table 2-2 Lateral force – metric .................................................................................................... 2-6
Table 2-3 Lateral force – US .......................................................................................................... 2-6
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.
Table 4-1 PTP 250 kit part numbers ............................................................................................. 4-2
Table 4-2 Inventory for ODU and PoE power supply kits .............................................................. 4-3
Table 4-3 Additional inventory for standard installations ............................................................. 4-5
Table 4-4 Additional inventory for connectorized ODUs ............................................................... 4-7
Table 4-5 Alternative PTP 250 components .................................................................................. 4-9
Table 4-6 Integrated ODU physical specifications ...................................................................... 4-10
Table 4-7 Connectorized ODU physical specifications ................................................................ 4-10
Table 4-8 ODU environmental specifications .............................................................................. 4-11
Table 4-9 Power supply unit physical specifications ................................................................... 4-12
Table 4-10 Power supply unit environmental specifications ....................................................... 4-12
Table 4-11 Power supply unit electrical specifications ............................................................... 4-13
Table 4-12 PoE power supply Ethernet interface specifications ................................................. 4-13
Table 4-13 Allowed antennas for deployment in USA/Canada – 5.8 GHz ................................... 4-15
Table 4-14 5.4 GHz RF specifications ......................................................................................... 4-19
Table 4-15 5.8 GHz RF specifications ......................................................................................... 4-20
Table 4-16 Ethernet bridging specifications ............................................................................... 4-21
Table 4-17 Safety compliance specifications............................................................................... 4-22
Table 4-18 EMC emissions compliance ....................................................................................... 4-22
Table 4-19 Power compliance margins ....................................................................................... 4-25
Table 4-20 Radio certifications.................................................................................................... 4-28
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List of Tables
Table 4-21 Maximum permitted antenna gai
n (allowing for cable loss) ..................................... 4-30
Table 4-22 RF cable lengths required to achieve 1.2 dB loss at 5.8 GHz ................................... 4-31
Table 4-23 Example of regulatory limits ..................................................................................... 4-32
Table 5-1 Screw dimensions for the PoE power supply .............................................................. 5-28
Table 6-1 Step 1: LAN Configuration attributes ......................................................................... 6-16
Table 6-2 Step 2: Wireless Configuration attributes ................................................................... 6-18
Table 6-3 Step 3: Date and Time Settings attributes .................................................................. 6-21
Table 6-4 Step 4: Email Configuration attributes ....................................................................... 6-22
Table 6-5 Antenna alignment tones ............................................................................................. 6-28
Table 7-1 Procedures performed from each menu option ............................................................. 7-5
Table 7-2 System Summary attributes .......................................................................................... 7-6
Table 7-3 System Status Equipment attributes ............................................................................. 7-9
Table 7-4 System Status LAN attributes ..................................................................................... 7-10
Table 7-5 System Status Wireless attributes ............................................................................... 7-11
Table 7-6 Wireless Link Status attribute values .......................................................................... 7-16
Table 7-7 Email alerts ................................................................................................................. 7-16
Table 7-8 Data Port Counter attributes in the System Statistics page ....................................... 7-18
Table 7-9 Management Port Counter attributes in the System Statistics page .......................... 7-18
Table 7-10 Wireless Port Counter attributes in the System Statistics page ............................... 7-19
Table 7-11 Diagnostics Plotter attributes .................................................................................... 7-22
Table 8-1 RJ45 cable resistance tests at the PoE power supply end ........................................... 8-11
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List of Tables
xiv
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About
This
User Guide
About This User Guide
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
This guide describes the planning, installation and operation of the Motorola PTP 250
Point-to-Point Wireless Ethernet Bridge. It is intended for use by the system designer,
system installer and system administrator.
Users of this guide should have knowledge of the following areas:
x Radio network design
x Outdoor radio equipment installation
.
.
.
.
x System installation, configuration, monitoring and fault finding
System designers should refer to the following chapters:
x Chapter 1 Product description
x Chapter 2 Planning considerations
x Chapter 3 Legal information
x Chapter 4 Reference information
In
stallers should refer to the following chapters:
x Chapter 5 Installation
x Chapter 6 Configuration and alignment
x Chapter 8 Troubleshooting
Oper
x Chapter 1 Product description
x Chapter 6 Configuration and alignment
x Chapter 7 Operation
x Chapter 8 Troubleshooting
ors should refer to the following chapters:
at
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Revision history
Revision history
Version information
The following shows the issue status of this document:
Document
issue
001v000 Apr 2011 System release 250-01-00
002v000 May 2011 System release 250-01-00 (Revised)
Date of issue Remarks
2
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General information
Purpose
Motorola Point-To-Point documents are intended to instruct and assist personnel in the
operation, installation and maintenance of the Motorola Point-To-Point equipment and
ancillary devices. It is recommended that all personnel engaged in such activities be
properly trained.
Motorola disclaims all liability whatsoever, implied or express, for any risk of damage,
loss or reduction in system performance arising directly or indirectly out of the failure
of the customer, or anyone acting on the customer's behalf, to abide by the
instructions, system parameters, or recommendations made in this document.
General information
Cross references
References to external publications are shown in italics. Other cross references,
emphasized in blue text in electronic versions, are active links to the references.
This document is divided into numbered chapters that are divided into sections.
Sections are not numbered, but are individually named at the top of each page, and
are listed in the table of contents.
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Page 24
Contacting Motorola
Contacting Motorola
Feedback
We appreciate feedback from the users of our documents. This includes feedback on
the structure, content, accuracy, or completeness of our documents. Send feedback to
support.ptp@motorolasolutions.com
Motorola Point-to-Point
Postal address:
Motorola Solutions, Inc.,
1303 E. Algonquin Road,
Schaumburg,
Illinois 60196
U.S.A.
.
URLs:
Main web site: http://www.motorola.com/ptp
Web support: http://www.motorola.com/ptp/support
Email addresses:
Sales enquiries: sales.ptp@motorolasolutions.com
Email support: support.ptp@motorolasolutions.com
Telephone numbers:
North America: +1 866-961-9288
Latin/Central America: +420 533 336 946
Europe, Middle East or Africa: +44 203 0277499
Asia/Pacific: +420 533 336 946
For full list of Motorola Wireless Broadband Support telephone numbers, see:
http://www.motorola.com/ptp/support/
contact
4
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Reporting problems
If any problems are encountered when installing or operating this equipment, follow
this procedure to investigate and report:
1. Search this document and the software release notes of supported releases.
Contacting Motorola
2. Visit the Motorola website at http://www.motorola.com/ptp.
3. Ask for assistance from the Motorola product supplier.
4. Gather information from affected units such as:
o The IP addresses and MAC addresses
o The software releases
o The configuration of software features
o Any available diagnostic downloads
5. Escalate the problem to Motorola as follows:
o Either: send e-mail to support.ptp@motorolasolutions.com
o Or: call Wireless Broadband Technical Support.
Repair and service
If unit failure is suspected, visit http://www.motorola.com/ptp/support for details of the
Return Material Authorization (RMA) process.
Warranty
Motorola’s standard hardware warranty is for one (1) year from date of shipment from
Motorola or a Motorola Point-to-Point Distributor. Motorola warrants that hardware
will conform to the relevant published specifications and will be free from material
defects in material and workmanship under normal use and service. Motorola shall
within this time, at its own option, either repair or replace the defective product within
thirty (30) days of receipt of the defective product. Repaired or replaced product will
be subject to the original warranty period but not less than thirty (30) days.
To register PTP products or activate warranties, visit
http://www.motorola.com/ptp/support
For warranty assistance, contact the reseller or distributor.
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5
Page 26
Contacting Motorola
CAUTION
Using non-Motorola parts for repair could damage the equipment or void
warranty. Contact Motorola Warranty and Repair for service and repair
instructions.
CAUTION
Portions of Motorola equipment may be damaged from exposure to
electrostatic discharge. Use precautions to prevent damage.
6
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Security advice
Motorola systems and equipment provide security parameters that can be configured
by the operator based on their particular operating environment. Motorola
recommends setting and using these parameters following industry recognized
security practices. Security aspects to be considered are protecting the confidentiality,
integrity, and availability of information and assets. Assets include the ability to
communicate, information about the nature of the communications, and information
about the parties involved.
In certain instances Motorola makes specific recommendations regarding security
practices, however the implementation of these recommendations and final
responsibility for the security of the system lies with the operator of the system.
Security advice
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Page 28
Warnings, cautions, and notes
Warnings, cautions, and notes
The following describes how warnings and cautions are used in this document and in
all documents of this Motorola document set.
Warnings
Warnings precede instructions that contain potentially hazardous situations. Warnings
are used to alert the reader to possible hazards that could cause loss of life or physical
injury. A warning has the following format:
Cautions
Cautions precede instructions and are used when there is a possibility of damage to
systems, software, or individual items of equipment within a system. However, this
damage presents no danger to personnel. A caution has the following format:
Notes
A note means that there is a possibility of an undesirable situation or provides
additional information to help the reader understand a topic or concept. A note has the
following format:
WARNING
Warning text and consequence for not following the instructions in
the warning.
CAUTION
Caution text and consequence for not following the instructions in the
caution.
NOTE
Note text.
8
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Caring for the environment
The following information describes national or regional requirements for the disposal
of Motorola supplied equipment and for the approved disposal of surplus packaging.
In EU countries
The following information is provided to enable regulatory compliance with the
European Union (EU) directives identified and any amendments made to these
directives when using Motorola equipment in EU countries.
Caring for the environment
Disposal of Motorola equipment
European Union (EU) Directive 2002/96/EC Waste Electrical and Electronic Equipment
(WEEE)
Do not dispose of Motorola equipment in landfill sites. In the EU, Motorola in
conjunction with a recycling partner ensures that equipment is collected and recycled
according to the requirements of EU environmental law.
Disposal of surplus packaging
Do not dispose of surplus packaging in landfill sites. In the EU, it is the individual
recipient’s responsibility to ensure that packaging materials are collected and recycled
according to the requirements of EU environmental law.
In non-EU countries
In non-EU countries, dispose of Motorola equipment and all surplus packaging in
accordance with national and regional regulations.
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Page 30
Page 31
Chapter 1
Chapter 1 Product description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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:
.
.
.
.
x Overview of the PTP 250 on
product variants and components of the PTP 250.
x Outdoor unit (ODU)
x Power over Ethernet injector (PoE power supply) on
power supply and its interfaces.
x Cabling and lightning protection on
protection components of a PTP 250 installation.
x Wireless operation on pa
operated, including modulation modes, power control and security.
x Ethernet bridging on pa
data in the customer and management networks.
x System management on
including the web interface, installation, configuration, alerts and upgrades.
on page 1-5 describes the ODU and its interfaces.
page 1-2 introdu
page 1-13 describes the cabling and lightning
ge 1-17 describes how the PTP 250 wireless link is
ge 1-23 describes how the PTP 250 controls Ethernet
page 1-27 introduces the PTP 250 management system,
ces the key features, typical uses,
page 1-9 describes the PoE
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Page 32
Overview of the PTP 250 Chapter 1 Product description
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
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PTP 250 User Guide Overview of the PTP 250
802.11n device
PTP250 uses 802.11n encoding and radio transmission. In areas where the PTP 250
co-exists with 802.11a and 802.11n devices, the PTP 250 detects the 802.11a and
802.11n radio signals and chooses a clear channel away from any interference.
Avoiding interference from nearby devices
At initialization, the products monitor the available frequency channels to find a
channel that is clear of interference.
Typical deployment
The PTP 250 bridge consists of a pair of identical units, one deployed at each end of
the link. The radio link operates on a single frequency channel. One unit is configured
as a master and the other as a slave. The master unit takes responsibility for
controlling the link in both directions.
The bridge is aimed at a wide range of applications. One example is an enterprise that
needs to connect together the Local Area Network (LAN) of two or more buildings as
shown in Figure 1-1.
Figu
re 1-1 Typical PTP 250 bridge deployment (grounding not shown)
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Overview of the PTP 250 Chapter 1 Product description
System components
Each end of the link consists of:
x Outdoor Unit (ODU): An integrated (or connectorized) outdoor transceiver unit
containing all the radio and networking electronics.
x PoE power supply: An indoor connection box containing a mains power supply,
status indicators and network connection port.
x Cabling and lightning protection: CAT5e cables, grounding cables, connectors
and a lightning protection unit (LPU).
Product variants
The PTP 250 is available in the following product variants:
x FCC/IC or ETSI/RoW: The PTP 250 is available in two regional variants: one is
for use in countries where FCC or IC licensing restrictions apply (FCC/IC), and
the other is for use in ETSI countries or the rest of the world (ETSI/RoW). The
regional variants may operate in the following bands:
o ETSI/RoW: 5.4 GHz or 5.8 GHz.
o FCC/IC: 5.8 GHz only.
x Integrated or Connectorized: Both products are available in either Integrated
(with attached antenna) or Connectorized (without an antenna) variants.
x Link Complete or End Complete: The Link Complete kit consists of two ODUs
and two PoE power supply units. The End Complete kit consists of one ODU and
one PoE power supply unit.
To obtain part numbers for the above variants, refer to Installation inventories on page
4-2.
NOTE
The PTP 250 is not currently approved for 5.4 GHz operation in the USA or
Canada.
1-4
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PTP 250 User Guide Outdoor unit (ODU)
Outdoor unit (ODU)
This section describes the PTP 250 ODU and its interfaces.
ODU description
The ODU is a self-contained unit that houses both radio and networking electronics.
The ODU is supplied in two configurations: integrated (attached to its own flat plate
antenna, Figure 1-2) or
Figure 1-2 Integrated ODU (front and rear views)
connectorized (without an antenna, Figure 1-3).
Figure 1-3 Connectorized ODU (front and rear views)
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Outdoor unit (ODU) Chapter 1 Product description
Connectorized variant
The connectorized ODU is designed to work with externally mounted antennas that
have higher gains than the integrated antenna. Connectorized units can cope with
more difficult radio conditions, as described in
page
2-10.
When to install connectorized units on
ODU interfaces
The ODU interfaces are illustrated in Figure 1-4 and described in Table 1-1.
Figure 1-4 ODU interfaces
1-6
Table 1-1 ODU interface functions
Interface Function
Ground studs For grounding the ODU to the supporting structure.
The ground cable (supplied with the ODU) may be
connected to either ground stud.
PoE RJ45 socket for connecting to power supply and
network via the PoE power supply.
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PTP 250 User Guide Outdoor unit (ODU)
Connectorized ODU antenna interfaces
The connectorized ODU also has interfaces to connect to an external antenna (Figure
1-5) via an N type connector with RF cable of type LMR100, LMR200, LMR300,
LMR400 or LMR600. The ‘V’ interface is for vertical polarization and the ‘H interface
is for horizontal polarization.
Figure 1-5 Connectorized ODU antenna interfaces
Mounting brackets
The ODU is supplied with a bracket for mounting it to a pole of 50mm (2”) to 75mm
(3”) in diameter.
The bracket allows for adjustment in both azimuth and elevation. The bracket may be
split to allow the pole mount section of the bracket to be mounted to the pole first.
This allows the installer to take the weight of the unit and secure it, one handed, with
a single mounting bolt.
Network connection
The network connection to the ODU is made via a 1000BaseT (Gigabit) Ethernet
connection. Power is provided to the ODU over the 1000BaseT Ethernet connection
using a standard IEEE 802.3at power supply.
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Outdoor unit (ODU) Chapter 1 Product description
Further reading on the ODU
For more information on the ODU, refer to the following:
x ODU site selection on pa
x When to install connectorized units on page 2-10 describes w
ge 2-4 describes how to select a site for the ODU.
hen to choose
connectorized ODUs and external antennas rather than integrated ODUs.
x General protection requirements on pa
ge 2-12 describes the grounding and
lightning protection requirements of a PTP 250 installation, including the ODU.
x Installation inventories on page 4-2 lists the components required for PTP 250
i
nstallations, including ODUs, with Motorola part numbers.
x ODU specifications on page
4-10 contains specifications of the ODU such as
dimensions, weight and environmental requirements.
x Antenna specifications on page 4-14 contains specifications of the antennas that
may be
x Installing the ODU on pa
used with connectorized ODUs.
ge 5-5 describes how to install the ODU (integrated or
connectorized) on the supporting structure.
x Installing connectorized antennas on page 5-9 describes how to install separate
a
ntenna(s) for a connectorized ODU.
x Aligning antennas on pa
ge 6-24 describes how to align the antennas for both
integrated and connectorized ODUs.
1-8
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PTP 250 User Guide Power over Ethernet injector (PoE power supply)
Power over Ethernet injector (PoE power supply)
This section describes the PTP 250 Power over Ethernet injector (PoE power supply).
One or two PoE power supply units are provided with every PTP 250 kit.
CAUTION
The ODU should only be deployed with either the PoE power supply or the
PTP 300/500/600 Series PIDU. Do not use other power supply units, as they
may damage the PTP 250. For guidance on choosing the most suitable power
supply unit, refer to Power supply selection on pa
PoE power supply description
The Motorola High Power Gigabit PoE power supply (Motorola part number WB3727)
(Figure 1-6) is a si
with Ethernet data in a single cable connecting to a PTP 250 ODU.
Figure 1-6 PoE power supply
ngle-port Power over Ethernet injector combining low-voltage DC
ge 2-4.
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Power over Ethernet injector (PoE power supply) Chapter 1 Product description
PoE features
The PoE power supply has the following features:
x Independent power controller (SPEAR™), CPU controller and input (Data) and
output (Data & Power) shielded RJ-45 connectors.
x Supports standard 10/100/1000BaseT Ethernet networks over a standard
TIA/EIA-568 Category 5 (or higher) cabling.
x Universal AC Input: 110/220 V, 60/50 Hz.
x Maximum available output power 30 W (nominal output voltage 52 to 56 V DC).
x Underload, overload, short-circuit and under/over voltage port protection.
x Port and AC power LED indicators.
x Standalone or wall mount installation support.
x Coupling rail and slot to allow two or more PoE power supply units to be
mounted together.
PoE power supply interfaces
The PoE power supply interfaces are illustrated in Figure 1-7 and described in Table
1-2 and Table 1-3.
Figure 1-
7 PoE power supply interfaces
1-10
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PTP 250 User Guide Power over Ethernet injector (PoE power supply)
Table 1-2 PoE power supply interface functions
Interface Function
IEC Power socket at rear Mains power input (100 – 240 V AC).
DATA & POWER OUT RJ45 socket for connecting CAT5e cable to ODU.
DATA IN RJ45 socket for connecting CAT5e cable to network.
Table 1-3 PoE power supply indicator LEDs
Indicator Function Description
AC Off The PoE power supply is not receiving power.
Green (steady) The PoE power supply is receiving power from
an AC outlet.
Green (blinking) The PoE power supply is receiving a voltage
from the AC outlet that is out of the correct
range (100 – 240 V AC).
Port Off There is no device connected to the DATA &
POWER OUT port.
Green (steady) A device is connected to the DATA & POWER
OUT port.
Green (blinking) The PoE power supply is overloaded or has a
short circuit.
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Power over Ethernet injector (PoE power supply) Chapter 1 Product description
Further reading on the PoE power supply
For more information on the PoE power supply, refer to the following:
x Power supply selection on page 2-4 describes how to select a location for the PoE
pow
er supply.
x Installation inventories on page 4-2 lists the components required for PTP 250
in
stallations, including PoE power supply units, with Motorola part numbers.
x Power supply unit specifications on pa
ge 4-12 contains specifications of the PoE
power supply (and the PIDU) such as dimensions, weight, environmental and
electrical requirements.
x Connecting to the unit on page 6-3 des
ply to a management PC to allow configuration and alignment of the PTP 250.
sup
x Installing the PoE power supply on pa
cribes how to connect the PoE power
ge 5-27 describes how to install the PoE
power supply, connect it to the ODU, and prepare the network cables.
x Connecting to the network on page 6-35 describes how t
o connect the PoE power
supply to the network when configuration, installation and alignment are
complete.
x Testing link end hardware on
page 8-2 describes how the PoE power supply is
used when testing the link end hardware for suspected faults.
1-12
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PTP 250 User Guide Cabling and lightning protection
Cabling and lightning protection
This section describes the cabling and lightning protection components of PTP 250
installations.
PTP and lightning protection
The PoE power supply meets the low level static discharge specifications identified in
Electromagnetic compatibility (EMC) compliance on
lightning or surge suppression.
The amount of lightning protection is dependent on regulatory and end user
requirements. The standard ODU is fitted with surge limiting circuits and other
features to minimize the risk of damage due to nearby lightning strikes. To be fully
effective, these standard features require some additional equipment to be configured
as part of the system installation.
page 4-22 but does not provide
WARNING
The units are not designed to survive direct lightning strike. For this reason
they must not be installed in ‘Zone A’, as defined in Lightning protection
zones on
life at risk.
page 2-11. Mountin
Outdoor connections
The term ‘drop cable’ refers to the cable that is used for all connections that terminate
outside the building, for example, connections between the ODU, LPU and PoE power
supply.
CAUTION
For outdoor connections, always use Cat5e cable that is gel-filled and
shielded with copper-plated steel. This is the only type of outdoor drop cable
supported in this application.
g in Zone A may put equipment, structures and
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Cabling and lightning protection Chapter 1 Product description
Indoor connections
The CAT5e cable that connects the PoE power supply to the network equipment must
meet the following requirements:
x Screening: Must be either foil screen (FTP) or braided screen (STP) cable.
x Connectors: Must use screened RJ45 connectors with metal shells at both ends.
x Electrical connection: There must be a continuous electrical connection
between both screened connectors.
CAUTION
The connected network equipment must feature screened RJ45
connectors and must be connected to ground, otherwise the PoE power
supply will not be grounded, and this may increase the levels of unwanted
radiation from the ODU - PoE power supply cables.
Cable grounding kits
Drop cables must be grounded at the points specified in Grounding and lightning
protection on page 2-11. One cabl
drop cable grounding point.
Figure 1-8 Cable grounding kit for 1/4” and 3/8” cable
e grounding kit (Figure 1-8) is required for each
1-14
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PTP 250 User Guide Cabling and lightning protection
Lightning protection units (LPUs)
One LPU kit (Figure 1-9) is required for each ODU drop cable. The LPU is installed at
the building entry point.
Figure 1-9 LPU kit
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Cabling and lightning protection Chapter 1 Product description
Further reading on cabling and lightning protection
For more information on cabling and lightning protection, refer to the following:
x Maximum cable lengths on pa
ge 2-5 gives maximum permitted lengths of
interface cables in PTP 250 installations.
x Grounding and lightning protection on pa
ge 2-11 describes the grounding and
lightning protection requirements of a PTP 250 installation.
x Installation inventories on page 4-2 lists the components required for PTP 250
install
ations, including cables, connectors, grounding kits and LPUs.
x Installing the drop cable and LPU on page 5-14 describes how to install the drop
cable fr
om the ODU to the LPU and PoE power supply, and to provide grounding
for the installation.
x Installing the PoE power supply on
ge 5-27 describes how to prepare the
pa
indoor cables to connect to the network.
x Testing after a lightning strike on pa
ge 8-2 describes testing to be performed
after a PTP 250 installation is struck by lightning.
1-16
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PTP 250 User Guide Wireless operation
Wireless operation
This section describes how PTP 250 wireless links are operated, including modulation
modes, power control and security.
Wireless Transmissions
The PTP 250 uses Time Division Duplexing (TDD) transmission, which means that a
single frequency channel is used for both Transmit and Receive. This is handled
automatically by the radio.
The PTP 250 transmits using Orthogonal Frequency Division Multiplexing (OFDM).
This wideband signal consists of many equally spaced sub-carriers. Although each
sub-carrier is modulated at a low rate using conventional modulation schemes, the
resultant data rate from all the sub-carriers is high.
The channel width of the OFDM signal is configurable to one of two values: 20 MHz or
40 MHz. The higher channel width provides greater link capacity at the expense of
using more spectrum. The lower channel width provides better receiver sensitivity and
can also be appropriate where the amount of free spectrum is limited.
Each channel is offset in center frequency from its neighboring channel by 20 MHz.
Spectrum management
At system start-up, the spectrum management feature of the PTP 250 monitors the
available wireless spectrum and directs both ends of the wireless link to operate on a
channel with a minimum level of co-channel and adjacent channel interference.
Alternatively, the user can specify a single channel to use (or several to be chosen
from) at the master unit.
Adaptive modulation
The PTP 250 can transport data over the wireless link using different modulation
modes. For a given channel width, each modulation mode transports data at a fixed
rate. Also, the receiver requires a given signal to noise ratio in order to successfully
demodulate a given modulation mode. Although the more complex modulations will
transport data at a much higher rate than the less complex modulation modes, the
receiver requires a much higher signal to noise ratio.
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Wireless operation Chapter 1 Product description
The system provides an adaptive modulation scheme where the receiver constantly
monitors the quality of the received signal and notifies the far end of the link of the
optimum modulation mode with which to transmit. In this way, optimum capacity is
achieved at all times.
MIMO
NOTE
Multiple-Input Multiple-Output (MIMO) techniques provide protection against fading
and increase the probability that the receiver will decode a usable signal. When the
effects of MIMO are combined with those of OFDM techniques and a high link budget,
there is a high probability of a robust connection.
The PTP 250 transmits two signals on the same radio frequency, one of which is
vertically polarized and the other horizontally polarized. The system also has the
ability to adapt between two modes of operation:
x Dual Payload: When the radio channel conditions allow, the system will transmit
x Single Payload: As the radio channel becomes more challenging, the system has
PTP LINKPlanner includes an estimate of mean data rate, the data rate
provided by each modulation and the percentage of time spent in each
modulation mode.
two different and parallel data streams, one on the vertical channel and one on
the horizontal channel. This doubles the capacity of the system.
the ability to detect this and switch to a mode which transmits the same data
stream on both vertical and horizontal channels. This provides polar diversity and
is another key feature which allows the system to operate in challenging radio
channels.
The switching between modes is automatically controlled by the adaptive modulation
feature described in Adaptive modulation on
1-18
ge 1-17.
pa
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PTP 250 User Guide Wireless operation
Radar avoidance
In regions where protection of radars is part of the local regulations, the PTP 250 must
detect interference from radar-like systems and avoid co-channel operation with these
systems.
To meet this requirement, the PTP 250 implements the following features:
ETSI regulations
The regulations have radar detection requirements for both master and slave devices.
The requirements for a master device are:
x The device can only transmit on available channels, of which there are none at
initial power up. The radar detection algorithm will always scan a usable channel
for 60 seconds (channel availability check) for radar interference before making
the channel an available channel.
x As a result of this compulsory channel scan, there is a service outage of at least
60 seconds every time radar is detected, and the installation time is extended by
at least 60 seconds even if no radar is detected on the channel.
x When operating on a channel, the spectrum monitoring algorithm implements a
radar detection function (in-service monitoring) which looks for impulsive
interference on the operating channel. If impulsive interference is detected,
spectrum management will mark the current operating channel as having
detected radar (unavailable channel) and initiate a channel hop to an available
channel. The previous operating channel will remain in the unavailable state for
30 minutes after the impulsive interference pulse was detected.
x After the 30 minutes have expired the channel will be returned to the usable
channel
x There is a secondary requirement for bands requiring radar avoidance.
Regulators have mandated that products provide an approximately even loading
of the spectrum across all devices. In general, this prevents operation with fixed
frequency allocations. However, ETSI regulations do allow frequency planning of
networks (as that has the effect of spreading the load across the spectrum).
NOTE
pool.
The Master device will not initiate any transmissions on channels which
overlap the band 5600-5650 MHz as the radar detection requirements are
more severe.
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Wireless operation Chapter 1 Product description
The requirements for a slave device are:
x The slave device can only transmit after receiving a transmission from its
associated master to demonstrate that the channel is an available channel.
x The slave device is required to vacate the channel when the master device has
detected a radar signal.
x The slave device is also required to perform in-service monitoring
transmitting on a channel having detected a radar signal (having informed the
master device) and will not re-use the channel for thirty minutes.
x Once the slave device has detected a radar on a channel, it will perform a
channel availability check
x The slave device is also required to perform Channel Availability Check (CAC)
measurements before responding to a master transmission, but this requirement
only applies after the slave has detected a radar signal on the channel.
Security
The PTP 250 supports 48-bit proprietary encryption for data transmitted over the
wireless link.
Country of operation
Some aspects of wireless operation are controlled, enforced or restricted according to
country of operation.
before transmitting again on the channel.
and will stop
1-20
The Country Code must be set in the user interface by the user at first login. The
Country Code setting affects the following aspects of wireless operation:
x Maximum transmit power
x Radar avoidance
x Transmit power reduction in edge channels
x Frequency range
x Channel plan
CAUTION
To avoid possible enforcement action by the country regulator, always
operate links in accordance with local regulations.
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PTP 250 User Guide Wireless operation
NOTE
Equipment supplied to the USA can ONLY be set to operate with a Country
Code which is fully compatible with FCC Rules.
Using frequency planning
Networks will benefit from the use of fixed channel allocations if (a) the network
consists of multiple PTP links, and (b) RF interference predominantly arises from
equipment in the same network.
Frequency planning is the exercise of assigning operating channels to PTP units so as
to minimize RF interference between links. Frequency planning must consider
interference from any PTP unit to any other PTP unit in the network. Low levels of
interference normally allow for stable operation and high link capacity.
The frequency planning task is made more straightforward by use of the following
techniques:
x Using several different channels
x Separating units located on the same mast
x Using high performance (directional) external antennas
For help with planning networks, refer to Chapter 2 Planning considerations, or
cont
act a Motorola distributor or re-seller.
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Wireless operation Chapter 1 Product description
Further reading on wireless operation
For information on planning wireless operation, refer to the following:
x Spectrum planning on pa
ge 2-2 describes the regulatory restrictions that affect
radio spectrum usage, such as frequency range and radar avoidance.
x Link planning on page 2-8 describe
s factors to be taken into account when
planning links, such as range and path loss, and introduces PTP LINKPlanner.
x Wireless specifications on page 4-19 contains specifications of the PTP 250
wireles
s interface, such as RF bands, channel width, spectrum settings,
maximum power and link loss.
x Compliance with safe
tandards on page 4-22 lists the safety specifications
ty s
against which the PTP 250 has been tested, and describes how to keep RF
exposure within safe limits.
x Compliance with radio regulations on page 4-27 describes
plies with the radio regulations that are in force in various countries.
com
x Notifications on pa
ge 4-33 contains notifications of compliance with the radio
how the PTP 250
regulations that are in force in various regions.
For information on configuring and operating the wireless link, refer to the following:
x Using the installation wizard on pa
ge 6-14 describes how to configure the
wireless interface using the installation wizard.
x Comparing actual to predicted performance on pa
ge 6-34 describes how to check
that a newly installed link is achieving predicted levels of performance.
x Managing performance on page 7-17 describes how to manage the performance
of
a PTP 250 link.
x Testing the radio link on pa
working, or it is unreliable, or the data throughput rate is too low.
1-22
ge 8-12 describes what to do if the radio link is not
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PTP 250 User Guide Ethernet bridging
Ethernet bridging
This section describes how the PTP 250 controls Ethernet data in the customer and
management networks.
Customer network
Transparent Ethernet service
The PTP 250 provides an Ethernet service between the Ethernet port at a local ODU
and the Ethernet port at an associated remote ODU. The Ethernet service is based on
conventional layer two transparent bridging, and is equivalent to the Ethernet Private
Line (EPL) service defined by the Metro Ethernet Forum (MEF).
The service is transparent to untagged frames, standard VLAN frames, priority-tagged
frames, provider bridged frames, and provider backbone bridged frames. In each case,
the service preserves MAC addresses, VLAN ID, Ethernet priority and Ethernet
payload in the forwarded frame. The maximum frame size for bridged frames is
2000 octets.
Layer two control protocols
The PTP 250 is transparent to layer two control protocols (L2CP) including:
x Spanning tree protocol (STP), rapid spanning tree protocol (RSTP)
x Multiple spanning tree protocol (MSTP)
x Link aggregation control protocol (LACP)
x Link OAM, IEEE 802.3ah
x Port authentication, IEEE 802.1X
x Ethernet local management interface (E-LMI), ITU-T Q.933.
x Link layer discovery protocol (LLDP)
x Multiple registration protocol (MRP)
x Generic attribute registration protocol (GARP)
The system does not generate or respond to any L2CP traffic.
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Ethernet bridging Chapter 1 Product description
Management network
IP interface
The PTP 250 ODU contains an embedded management agent with a single IP
interface. Network management communication is exclusively based on IP and
associated higher layer transport and application protocols. The factory default IP
address of the management agent is 169.254.1.1. The products do not require use of
supplementary serial interfaces.
MAC address
The MAC address is not configurable by the user.
VLAN membership
VLAN tagging is not supported for the management agent.
In-band management
In-band management is the only management mode offered (there is no out of band
management).
In the in-band management mode, the management agent can be reached from the
Ethernet port at the local ODU, and (assuming that the wireless link is established) the
Ethernet port at the remote ODU.
Wireless link down alert
PTP 250 offers a configurable email alert which can be set to send the user an email
message in the event of the wireless link going down.
Back-to-back links
PTP 250 will not operate correctly if a direct cabled connection is made between two
PoE power supply units. Where two or more links are deployed in a chain, always use
an Ethernet switch or router to interconnect the links at the relay points.
1-24
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PTP 250 User Guide Ethernet bridging
Protocol model
Ethernet bridging behavior at each end of the wireless link is equivalent to a two-port,
managed, transparent MAC bridge where the two ports are:
x Ethernet Port
x Wireless Port
Frames are transmitted at the Wireless port over a proprietary point-to-point circuitmode link layer between ends of the link. Ethernet frames received at the Ethernet
port, or generated internally within the management agent, are encapsulated within a
lightweight MAC layer for transmission over the wireless link.
Protocol layers involved in bridging between Ethernet and wireless interfaces are
shown in Figure 1-10. Pro
and the management agent are shown in Figure 1-11. In
the meanings defined in IEEE 802.1Q-2005.
t
ocol layers involved in bridging between external interfaces
these figures, the layers have
Figure 1-10 Protocol layers between Ethernet and wireless interfaces
Wireless PortEthernet Port
MAC Relay Entity
PTP Medium Access
Method
IEEE 802.3
PTP Physical Layer
Ethernet Wireless
Media Access Method
Independent Functions
Media Access Method Dependent
Convergence Functions
Media Access Method
Specific Functions
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Ethernet bridging Chapter 1 Product description
Figure 1-11 Protocol layers between external interfaces and the management agent
Further reading on Ethernet bridging
For more information on Ethernet bridging, refer to the following:
x Data network planning on page
planning PTP 250 data networks.
x Data network specifications on page 4-21 contains specific
Ethernet interface.
x Using the installation wizard on pa
Ethernet attributes of the PTP 250.
x Reviewing system configuration attributes on pa
the IP and Ethernet attributes of the PTP 250.
2-21 describes factors to be considered when
ge 6-14 describes how to configure the IP and
ations of the PTP 250
ge 6-31 describes how to review
1-26
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PTP 250 User Guide System management
System management
This section introduces the PTP 250 management system, including the web interface,
installation, configuration, alerts and upgrades.
Web server
The PTP 250 management agent contains a web server.
Web-based management offers a convenient way to manage the equipment from a
locally connected computer or from a workstation connected through a management
network, without requiring any special management software. The web-based
interfaces are the only interfaces supported for system installation and configuration
management.
The web-based management interfaces provide comprehensive web-based fault,
configuration, performance and security management functions organized into the
following menu options:
x Home: This page reports wireless link status and basic information needed to
identify the link.
x Status: This page reports the detailed status of the system.
x Configuration: These pages are used to review the LAN, wireless, date and
email settings. These settings are updated using the Installation Wizard.
x Statistics: This page contains performance management counters that are
collected at the data, management and wireless ports.
x Firmware Update: This page is used to update the firmware in the unit.
x Diagnostics Plotter: This page provides diagnostic measurements over time, as
an aid to performance management.
x Installation Wizard: These pages are used to complete the initial system
configuration, including LAN, wireless, date and email settings.
x Change Password: The page is used to change the web-interface password.
x Reboot: This page is used to reboot the unit.
x Logout: This page is used to log out of the web-based interface.
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System management Chapter 1 Product description
Firmware upgrade
The management agent supports application firmware upgrade using the web-based
interface.
PTP 250 firmware images are digitally signed, and the ODU will accept only images
that contain a valid Motorola PTP digital signature. The ODU always requires a reboot
to complete a firmware upgrade.
Obtain the application firmware and this user guide from the support website
(http://www.motorola.com/ptp/support
) BEFORE warranty expires.
CAUTION
ODU firmware version must be the same at both ends of the link. Limited
operation may sometimes be possible with dissimilar firmware versions, but
such operation is not supported by Motorola.
The procedure for firmware upgrade is described in Upgrading firmware version on
page
6-10.
Reset to factory defaults
The ‘reset to factory defaults’ feature provides a means to recover from serious
configuration errors, such as lost or forgotten passwords.
Use the reset plug (supplied in each PTP 250 ‘Link Complete’ or ‘End Complete’ kit) to
reset the unit to factory default configuration, including reset of the country that was
selected at first login. Following the procedure in Resetting to default configuration
(with count
Use th
resetting the country that was selected at first login. Follow the procedure in Resetting
to defau
e Save & Restore page to reset the unit to factory default configuration, without
lt configuration (without country reset) on page 7-25.
et) on page 7-26
ry res
Further reading on system management
For more information on system management, refer to the following:
x Chapter 6 Configuration and alignment describes
tasks that are performed when a PTP 250 link is deployed.
x Chapter 7 Operation provi
interface.
1-28
all configuration and alignment
des instructions for operators of the PTP 250 web user
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Chapter 2
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 pa
radio spectrum usage, such as frequency range and radar avoidance.
x Site planning on pa
for the ODU and PoE power supply.
x Link planning on page 2-8 describe
planning links, such as range and path loss. Introduces the PTP LINKPlanner.
x Grounding and lightning protection on pa
lightning protection requirements of a PTP 250 installation.
x Data network planning on page
planning PTP 250 data networks.
ge 2-2 describes the regulatory restrictions that affect
ge 2-4 describes factors to be considered when choosing sites
s factors to be taken into account when
ge 2-11 describes the grounding and
2-21 describes factors to be considered when
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Spectrum planning Chapter 2 Planning considerations
Spectrum planning
This section describes the regulatory restrictions that affect radio spectrum usage.
Each frequency variant has specific regulatory restrictions that affect frequency range,
radar avoidance and channel width usage.
Available spectrum
Ensure the link is configured to conform to local regulatory requirements.
The available spectrum for operation depends on the country of operation:
x The 5.4 GHz band is available in all EU countries.
x The 5.8 GHz band is currently only available in a limited number of EU countries
(UK, Eire, Norway, Denmark, Germany and Spain).
Certain regulations have allocated certain channels as unavailable for use:
x Europe has allocated part of the 5.4 GHz band to weather radar.
x The UK and some other European countries have allocated part of the 5.8 GHz
band to Road Transport and Traffic Telematics (RTTT) systems.
For examples of these restrictions, refer to Examples of regulatory limits on
Where regulatory rest
automatically by the use of the correct country setting. For example, at 5.8 GHz in the
UK and some other European countries, the RTTT band 5795 MHz to 5815 MHz is
barred. With the appropriate configuration for a country in this region, the PTP 250
will not operate on channels within this band.
The number and identity of channels barred by the country selection is dependent on
the channel width selected.
NOTE
For the connectorized model, when using external antennas of higher gain
than the appropriate integrated antenna, the regulations may require the
maximum transmit power to be reduced. To ensure that regulatory
requirements are met for connectorized installations, refer to Calculating
EIRP f
rictions apply to certain channels, these channels are barred
r connectorized units on page 4-30.
o
page 4-32.
2-2
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PTP 250 User Guide Spectrum planning
Frequency selection
The PTP 250 fully conforms to regional regulatory requirements for radar avoidance.
In regions that mandate DFS, the unit first ensures that there is no radar activity on a
given channel for a period of 60 seconds before radiating on that channel. Once a
channel has been selected for operation, the unit will continually monitor for radar
activity on the operating channel. If detected, it will immediately cease radiating and
attempt to find a new channel.
Radar avoidance requirements in the 5.4 GHz band are defined as follows:
x For the EU: in specification EN 301-893 version V1.5.1.
Radar avoidance at 5.8 GHz is applicable to EU operation (not FCC/IC) and the
requirements are defined in EN 302 502.
Channel width
Select the required channel width for the link (20 MHz or 40 MHz). The wider channel
has the greater the capacity. As narrower channel widths take up less spectrum,
selecting a narrow channel width may be a better choice when operating in locations
where the spectrum is very busy.
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Site planning Chapter 2 Planning considerations
Site planning
This section describes factors to be taken into account when choosing sites for the
ODU and PoE power supply.
ODU site selection
When selecting a site for the ODU, consider the following factors:
x Height and location to ensure that people are kept away from the antenna; see
Calculated distances and power compliance margins on page
x Height and location to achieve the best radio path.
x Ability to meet the requirements specified in Grounding and lightning protection
on page 2-11.
4-25.
x Aesthetics
x Cable lengths; see Maximum cable lengths on pa
x The effect of strong winds on the installation; see Wind loading on pag
and planning permission issue
Power supply selection
Select a suitable power supply unit for the PTP 250. The only supported units are the
PoE power supply (included in PTP 250 kits) or the PTP 300/500/600 Series PIDU. The
PoE power supply is suitable for the majority of installations, but the PIDU is required
in the following situations:
x When a -48 V DC power supply is required, either as the primary supply or as a
backup to the AC mains.
x When an extended operating temperature range is required for the mains
powering system, for example when the indoor equipment is in a building without
temperature control or air conditioning.
For PIDU ordering information, see Alternative components on
The power supply unit must be installed in an indoor location with no possibility of
condensation, with an ambient temperature within the specified operating range of the
product; see Power supply unit specifications on page 4-12.
s.
ge 2-5.
page
e 2-5.
4-9.
2-4
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PTP 250 User Guide Site planning
Maximum cable lengths
The maximum permitted lengths of interface cables in PTP 250 installations are
specified in Table 2-1.
Table 2-1 Maximum cable lengths
Interface type Interface Maximum
length
Ethernet power
and data
ODU to network terminating
equipment.
Wind loading
Ensure that the supporting structure will not be prone to excessive wind loading.
Antennas and equipment mounted on towers or buildings will subject the mounting
structure to significant lateral forces when there is appreciable wind. Antennas are
normally specified by the amount of force (in pounds) for specific wind strengths. The
magnitude of the force depends on both the wind strength and size of the antenna.
The ODU, with or without the integral antenna, is essentially a flat structure. The
magnitude of the lateral force can be estimated from surface area and wind speed.
Calculation of lateral force (metric)
The magnitude of the lateral force can be estimated from:
Force (in kilograms) = 0.1045aV
Where:
a surface area in square meters
100 m (330 ft)
2
Is:
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V wind speed in meters per second
2-5
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Site planning Chapter 2 Planning considerations
The lateral force produced by a single PTP 250 ODU (integrated or connectorized
model) at different wind speeds is shown in
Table 2-2.
Table 2-2 Lateral force – metric
Type of ODU Largest
surface area
(square meters)
Integrated 0.130 12 22 34 49 66
Connectorized 0.093 9 16 24 35 48
Calculation of lateral force (US)
The magnitude of the lateral force can be estimated from:
Force (in pounds) = 0.0042Av
Where:
The lateral force produced by a single PTP 250 ODU (integrated or connectorized
model) at different wind speeds is shown in Table 2-3.
Table 2-3 Lateral force – US
A surface area in square feet
v wind speed in miles per hour
Lateral force (Kg) at wind speed
(meters per second)
30 40 50 60 70
2
Is:
2-6
Type of ODU Largest
surface area
(square feet)
Lateral force (lb) at wind speed
(miles per hour)
80 100 120 140 150
Integrated 1.36 36.6 57.1 82.3 146.2 228.5
Connectorized 1.00 26.9 42 60.5 107.5 168.0
NOTE
When the connectorized ODU is used with external antennas, the figures
from the antenna manufacturer for lateral force should be included to
calculate the total loading on the mounting structure.
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PTP 250 User Guide Site planning
Capabilities of the PTP 250
The structure and mounting brackets of the ODU are capable of withstanding wind
speeds up to 242 kph (151 mph). Ensure that the structure to which the ODU is fixed
is also capable of withstanding the prevalent wind speeds and loads.
Wind speed statistics
Contact the national meteorological office for the country concerned to identify the
likely wind speeds prevalent at the proposed location. Use this data to estimate the
total wind loading on the support structures. Sources of information:
x US National Weather Service,
http://www.nws.noaa.gov/
x UK Meteorological Office, www.meto.gov.uk
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Link planning Chapter 2 Planning considerations
Link planning
This section describes factors to be taken into account when planning links, such as
range, obstacles and path loss. PTP LINKPlanner is recommended.
Range and obstacles
Calculate the range of the link and identify any obstacles that may affect radio
performance.
Perform a survey to identify all the obstructions (such as trees or buildings) in the path
and to assess the risk of interference. This information is necessary in order to achieve
an accurate link feasibility assessment.
NOTE
When higher gain connectorized antennas are used, reduce the transmit
power to ensure that the receiver signal level does not exceed -20 dBm.
PTP LINKPlanner
The Motorola PTP LINKPlanner software and user guide may be downloaded from
http://www.motorola.com/ptp/support.
PTP LINKPlanner imports path profiles and predicts data rates and reliability over the
path. It allows the system designer to try different antenna heights and RF power
settings. It outputs an installation report that defines the parameters to be used for
configuration, alignment and operation. The installation report can be used to compare
the predicted and actual performance of the link.
2-8
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PTP 250 User Guide Link planning
Path loss considerations
Path loss is the amount of attenuation the radio signal undergoes between the two
ends of the link.
Calculating path loss
The path loss is the sum of the attenuation of the path if there were no obstacles in the
way (Free Space Path Loss), the attenuation caused by obstacles (Excess Path Loss)
and a margin to allow for possible fading of the radio signal (Fade Margin). The
calculation of Equation 2-1 need
can be installed.
Equation 2-1 Path loss
_
o be performed to judge whether a particular link
s t
LLLLL
capabilityseasonalfadeexcessspacefree
Where
L
excess
L
fade
L
seasonal
L
capability
Adaptive modulation
Adaptive modulation ensures that the highest throughput that can be achieved
instantaneously will be obtained, taking account of propagation and interference.
When the link has been installed, web pages provide information about the link loss
currently measured by the equipment, both instantaneously and averaged. The
averaged value will require maximum seasonal fading to be added, and then the radio
reliability of the link can be computed.
is
spacefreeL_
Free Space Path Loss (dB)
Excess Path Loss (dB)
Fade Margin Required (dB)
Seasonal Fading (dB)
Equipment Capability (dB)
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Link planning Chapter 2 Planning considerations
When to install connectorized units
The majority of radio links can be successfully deployed with the integrated PTP 250.
However the integrated units may not be sufficient in some areas, for example:
x Where the path is heavily obscured by dense woodland on an NLOS link.
x Where long LOS links (>23 km or >14 miles) are required.
x Where there are known to be high levels of interference.
PTP LINKPlanner can be used to identify these areas of marginal performance.
In these areas, connectorized ODUs and external antennas should be used.
The external antennas can be either dual-polarization (as the integrated antenna) or
two single polarized antennas can be used in a spatially diverse configuration. It is
expected that the dual-polarization antennas would normally be used to simplify the
installation process; spatially diverse antennas may provide additional fade margin on
very long LOS links where there is evidence of correlation of the fading characteristics
on Vertical and Horizontal polarizations.
2-10
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PTP 250 User Guide Grounding and lightning protection
Grounding and lightning protection
Structures, equipment and people must be protected against power surges (typically
caused by lightning) by conducting the surge current to ground via a separate
preferential solid path.
The actual degree of protection required depends on local conditions and applicable
local regulations.
Motorola recommends that PTP 250 installation is contracted to a professional
installer.
WARNING
Electro-magnetic discharge (lightning) damage is not covered under
warranty. The recommendations in this guide, when followed
correctly, give the user the best protection from the harmful effects
of EMD. However 100% protection is neither implied nor possible.
Standards
Full details of lightning protection methods and requirements can be found in the
international standards IEC 61024-1 and IEC 61312-1, the U.S. National Electric Code
ANSI/NFPA No. 70-1984 or section 54 of the Canadian Electric Code.
Lightning protection zones
The ‘rolling sphere method’ (Figure 2-1) is used to determine where it is safe to mount
equipment. An imaginary sphere, typically 50 meters in radius, is rolled over the
structure. Where the sphere rests against the ground and a strike termination device
(such as a finial or ground bar), all the space under the sphere is considered to be in
the zone of protection (Zone B). Similarly, where the sphere rests on two finials, the
space under the sphere is considered to be in the zone of protection.
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Grounding and lightning protection Chapter 2 Planning considerations
Figure 2-1 Rolling sphere method to determine the lightning protection zones
Assess locations on masts, towers and buildings to determine if the location is in Zone
A or Zone B:
x Zone A: In this zone a direct lightning strike is possible. Do not mount equipment
in this zone.
x Zone B: In this zone, direct EMD (lightning) effects are still possible, but
mounting in this zone significantly reduces the possibility of a direct strike.
Mount equipment in this zone.
WARNING
Never mount equipment in Zone A. Mounting in Zone A may put
equipment, structures and life at risk.
General protection requirements
Apply the practices and procedures detailed in manual
For Communication Sites
to all new site build activities.
(available for download at www.motorola.com/ptp/software)
R56 Standards And Guidelines
2-12
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PTP 250 User Guide Grounding and lightning protection
Basic requirements
The following basic protection requirements must be implemented:
x The ODU must be in ‘Zone B’ (see
x A lightning protection unit (LPU) must be installed within 600 mm (24 in) of the
point at which the drop cable enters the building or equipment room.
x The drop cable must be bonded to the supporting structure in order to prevent
lightning creating a potential between the structure and cable, which could
cause arcing, resulting in fire risk and damage to equipment.
x The drop cable must be grounded at the building entry point.
x The drop cable must not be laid alongside a lightning air terminal.
x All grounding cables must be a minimum size of 10 mm
16 mm
2
csa (6AWG), or 25 mm2 csa (4AWG).
Grounding cable requirements
When routing, fastening and connecting grounding cables, the following requirements
must be implemented:
x Grounding conductors must be run as short, straight, and smoothly as possible,
with the fewest possible number of bends and curves.
x Grounding cables must not be installed with drip loops.
x All bends must have a minimum radius of 203 mm (8 in) and a minimum angle of
90° (Figure 2-2). A diagonal r
follow the contour or run parallel to the supporting structure.
Lightning protection zones on pa
2
csa (8AWG), preferably
u
n is preferable to a bend, even though it does not
ge 2-11).
x All bends, curves and connections must be routed towards the grounding
electrode system, ground rod, or ground bar.
x Grounding conductors must be securely fastened.
x Braided grounding conductors must not be used.
x Approved bonding techniques must be used for the connection of dissimilar
metals.
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Grounding and lightning protection Chapter 2 Planning considerations
Figure 2-2 Grounding cable minimum bend radius and angle
Radius not less
than 203 mm (8 in)
Angle not less
than 90°
ODU requirements
The following ODU protection requirements must be implemented:
x The ODU must be grounded to the supporting structure.
Protection requirements for a mast or tower installation
If the ODU is to be mounted on a metal tower or mast, then in addition to the general
protection requirements (above), the following requirements must be observed:
x The equipment must be lower than the top of the tower or its lightning air
terminal.
x The metal tower or mast must be correctly grounded.
x A grounding kit must be installed at the first point of contact between the drop
cable and the tower, near the top.
x A grounding kit must be installed at the bottom of the tower, near the vertical to
horizontal transition point. This grounding kit must be bonded to the tower or
tower ground bus bar (TGB), if installed.
x If the tower is greater than 61 m (200 ft) in height, an additional grounding kit
must be installed at the tower midpoint. Additional ground kits must be installed
as necessary to reduce the distance between ground kits to 61 m (200 ft) or less.
2-14
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PTP 250 User Guide Grounding and lightning protection
x In high lightning prone geographical areas, additional ground kits should be
installed at spacing between 15 to 22 m (50 to 75 ft
on towers taller than 45 m (150 ft).
A schematic example of a mast or tower installation is shown in Figure 2-3.
Figure 2-3 Grounding and lightning protection on mast or tower
). This is especially important
Tower
ground bar
ODU
First point of contact with tower
Mid-point of tower
Bottom of tower
External
ground bar
Outdoor CAT5e cable: gel-filled,
shielded with copper-plated steel
CAT5e cable: foil or braid screened,
with screened connectors
PTP 250 ground cable
Tower/building ground system
Equipment building
LPU
PoE Injector
Master
ground bar
Network
switch
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Ground ring
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Grounding and lightning protection Chapter 2 Planning considerations
Protection requirements for a wall installation
If the ODU is to be mounted on the wall of a building, then in addition to the general
protection requirements (above), the following requirements must be observed:
x The equipment must be lower than the top of the building or its lightning air
terminal.
x The building must be correctly grounded.
A schematic example of a wall installation is shown in Figure 2-4.
Figu
re 2-4 Grounding and lightning protection on wall
2-16
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PTP 250 User Guide Grounding and lightning protection
Protection requirements on a high rise building
If the ODU is to be mounted on a high rise building, it is likely that cable entry is at
roof level (Figure 2-5) and the equipment r
addition to the general protection requirements (above), the following requirements
must be observed:
x The ODU must be below the lightning terminals and finials.
x A grounding conductor must be installed around the roof perimeter, to form the
main roof perimeter lightning protection ring.
x Air terminals are typically installed along the length of the main roof perimeter
lightning protection ring typically every 6.1 m (20 ft).
x The main roof perimeter lightning protection ring must contain at least two down
conductors connected to the grounding electrode system. The down conductors
should be physically separated from one another, as far as practical.
oom is several floors below (Figure 2-6). In
Figure 2-5 Grounding and lightning protection on building
CAT5e cable: gel-filled, shielded
Air terminal (finial)
Tower grounding
conductor
ODU
To equipment area
Building ground ring
with copper-plated steel
PTP 250 ground cables
Building ground system
AC
service
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Grounding and lightning protection Chapter 2 Planning considerations
Protection inside a high rise building
The following protection requirements must be observed inside multi-story or high rise
buildings (
Figure 2-6):
x Th
e drop cable shield must be bonded to the building grounding system at the
entry point to the building.
x The drop cable shield must be bonded to the building grounding system at the
entry point to the equipment area.
x An LPU must be installed within 600 mm (24 in) of the entry point to the
equipment area.
Figure 2-6 Grounding and lightning protection inside high building
2-18
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PTP 250 User Guide Grounding and lightning protection
Connecting to the grounding conductor
Figure 2-7 and Figure 2-8 illustrate the techniques employed to provide equipment
grounding in high rise buildings. A steel component of the building can be used as a
grounding conductor, provided it is part of the structural building steel and is
effectively grounded.
Figure 2-7 Grounding in a high rise building – building steel not available
To Tower or Mast
Water pipe
AC
Service
Master Ground bar
MGB
Connection from
antenna is made below
the MGB
Water pipe effectively
grounded
To ODU
ODU on different floor than AC service feed, building steel not available
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Grounding and lightning protection Chapter 2 Planning considerations
Figure 2-8 Grounding in a high rise building – building steel available
2-20
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PTP 250 User Guide Data network planning
Data network planning
This section describes factors to be considered when planning PTP 250 data networks.
IP interface
Choose an IP address for the IP interface of the ODU management agent. The IP
address must be unique and valid for the connected network segment.
Ensure that the design of the data network permits bi-directional routing of IP
datagrams between network management systems and the ODUs. For example, ensure
that the gateway IP address identifies a router or other gateway that provides access
to the rest of the data network.
Back to back links
Do not use direct cabled connections between the data ports of two PoE power
supplies. Where two or more links are deployed in a chain, always use an Ethernet
switch or router to interconnect the links at a relay point.
‘Green Ethernet’ switches
Do not connect PTP 250 units to Ethernet networking products that control the level of
the transmitted Ethernet signal based on the measured length of the Ethernet link, for
example Green Ethernet products manufactured by D-Link Corporation. The Ethernet
interfaces in these networking products do not work correctly when connected directly
to the PoE power supply.
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Data network planning Chapter 2 Planning considerations
2-22
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Chapter 3
Chapter 3 Legal information
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
This chapter provides legal notices including software license agreements.
.
.
.
.
CAUTION
Intentional or unintentional changes or modifications to the equipment must
not be made unless under the express consent of the party responsible for
compliance. Any such modifications could void the user’s authority to
operate the equipment and will void the manufacturer’s warranty.
The following topics are described in this chapter:
x Motorola Solutions, Inc. end user license agreement on
x Hardware warranty on
x Limit of liability on pag
page 3-9
e 3-10
pa
ge 3-2
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Motorola Solutions, Inc. end user license agreement Chapter 3 Legal information
Motorola Solutions, Inc. end user license agreement
In connection with Motorola’s delivery of certain proprietary software or products
containing embedded or pre-loaded proprietary software, or both, Motorola is willing
to license this certain proprietary software and the accompanying documentation to
you only on the condition that you accept all the terms in this End User License
Agreement (“Agreement”).
IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT, DO NOT USE THE
PRODUCT OR INSTALL THE SOFTWARE. INSTEAD, YOU MAY, FOR A FULL
REFUND, RETURN THIS PRODUCT TO THE LOCATION WHERE YOU ACQUIRED IT
OR PROVIDE WRITTEN VERIFICATION OF DELETION OF ALL COPIES OF THE
SOFTWARE. ANY USE OF THE SOFTWARE, INCLUDING BUT NOT LIMITED TO USE
ON THE PRODUCT, WILL CONSTITUTE YOUR ACCEPTANCE TO THE TERMS OF
THIS AGREEMENT.
Definitions
In this Agreement, the word “Software” refers to the set of instructions for computers,
in executable form and in any media, (which may include diskette, CD-ROM,
downloadable internet, hardware, or firmware) licensed to you. The word
“Documentation” refers to electronic or printed manuals and accompanying
instructional aids licensed to you. The word “Product” refers to Motorola’s MOTOwi4™
fixed wireless broadband devices for which the Software and Documentation is
licensed for use.
Grant of license
Motorola Solutions, Inc. (“Motorola”) grants you (“Licensee” or “you”) a personal,
nonexclusive, non-transferable license to use the Software and Documentation subject
to the Conditions of Use set forth in “Conditions of use” and the terms and conditions
of this Agreement. Any terms or conditions relating to the Software and
Documentation appearing on the face or reverse side of any purchase order, purchase
order acknowledgment or other order document that are different from, or in addition
to, the terms of this Agreement will not be binding on the parties, even if payment is
accepted.
3-2
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PTP 250 User Guide Motorola Solutions, Inc. end user license agreement
Conditions of use
Any use of the Software and Documentation outside of the conditions set forth in this
Agreement is strictly prohibited and will be deemed a breach of this Agreement.
1. Only you, your employees or agents may use the Software and Documentation.
You will take all necessary steps to insure that your employees and agents abide
by the terms of this Agreement.
2. You will use the Software and Documentation (i) only for your internal
business purposes; (ii) only as described in the Software and Documentation; and
(iii) in strict accordance with this Agreement.
3. You may use the Software and Documentation, provided that the use is in
conformance with the terms set forth in this Agreement.
4. Portions of the Software and Documentation are protected by United States
copyright laws, international treaty provisions, and other applicable laws.
Therefore, you must treat the Software like any other copyrighted material (for
example, a book or musical recording) except that you may either: (i) make 1
copy of the transportable part of the Software (which typically is supplied on
diskette, CD-ROM, or downloadable internet), solely for back-up purposes; or
(ii) copy the transportable part of the Software to a PC hard disk, provided you
keep the original solely for back-up purposes. If the Documentation is in printed
form, it may not be copied. If the Documentation is in electronic form, you may
print out 1 copy, which then may not be copied. With regard to the copy made
for backup or archival purposes, you agree to reproduce any Motorola copyright
notice, and other proprietary legends appearing thereon. Such copyright
notice(s) may appear in any of several forms, including machine-readable form,
and you agree to reproduce such notice in each form in which it appears, to the
extent it is physically possible to do so. Unauthorized duplication of the Software
or Documentation constitutes copyright infringement, and in the United States is
punishable in federal court by fine and imprisonment.
5. You will not transfer, directly or indirectly, any product, technical data or
software to any country for which the United States Government requires an
export license or other governmental approval without first obtaining such
license or approval.
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Motorola Solutions, Inc. end user license agreement Chapter 3 Legal information
Title and restrictions
If you transfer possession of any copy of the Software and Documentation to another
party outside of the terms of this agreement, your license is automatically terminated.
Title and copyrights to the Software and Documentation and any copies made by you
remain with Motorola and its licensors. You will not, and will not permit others to:
(i) modify, translate, decompile, bootleg, reverse engineer, disassemble, or extract the
inner workings of the Software or Documentation, (ii) copy the look-and-feel or
functionality of the Software or Documentation; (iii) remove any proprietary notices,
marks, labels, or logos from the Software or Documentation; (iv) rent or transfer all or
some of the Software or Documentation to any other party without Motorola’s prior
written consent; or (v) utilize any computer software or hardware which is designed to
defeat any copy protection device, should the Software and Documentation be
equipped with such a protection device. If the Software and Documentation is
provided on multiple types of media (such as diskette, CD-ROM, downloadable
internet), then you will only use the medium which best meets your specific needs, and
will not loan, rent, lease, or transfer the other media contained in the package without
Motorola’s written consent. Unauthorized copying of the Software or Documentation,
or failure to comply with any of the provisions of this Agreement, will result in
automatic termination of this license.
Confidentiality
You acknowledge that all Software and Documentation contain valuable proprietary
information and trade secrets and that unauthorized or improper use of the Software
and Documentation will result in irreparable harm to Motorola for which monetary
damages would be inadequate and for which Motorola will be entitled to immediate
injunctive relief. If applicable, you will limit access to the Software and
Documentation to those of your employees and agents who need to use the Software
and Documentation for your internal business purposes, and you will take appropriate
action with those employees and agents to preserve the confidentiality of the Software
and Documentation, using the same degree of care to avoid unauthorized or improper
disclosure as you use for the protection of your own proprietary software, but in no
event less than reasonable care.
You have no obligation to preserve the confidentiality of any proprietary information
that: (i) was in the public domain at the time of disclosure; (ii) entered the public
domain through no fault of yours; (iii) was given to you free of any obligation to keep it
confidential; (iv) is independently developed by you; or (v) is disclosed as required by
law provided that you notify Motorola prior to such disclosure and provide Motorola
with a reasonable opportunity to respond.
3-4
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PTP 250 User Guide Motorola Solutions, Inc. end user license agreement
Right to use Motorola’s name
Except as required in “Conditions of use”, you will not, during the term of this
Agreement or thereafter, use any trademark of Motorola, or any word or symbol likely
to be confused with any Motorola trademark, either alone or in any combination with
another word or words.
Transfer
The Software and Documentation may not be transferred to another party without the
express written consent of Motorola, regardless of whether or not such transfer is
accomplished by physical or electronic means. Motorola’s consent may be withheld at
its discretion and may be conditioned upon transferee paying all applicable license
fees and agreeing to be bound by this Agreement.
Updates
During the first 12 months after purchase of a Product, or during the term of any
executed Maintenance and Support Agreement for the Product, you are entitled to
receive Updates. An “Update” means any code in any form which is a bug fix, patch,
error correction, or minor enhancement, but excludes any major feature added to the
Software. Updates are available for download at
http://www.motorola.com/ptp/software.
Maj
or features may be available from time to time for an additional license fee. If
Motorola makes available to you major features and no other end user license
agreement is provided, then the terms of this Agreement will apply.
Maintenance
Except as provided above, Motorola is not responsible for maintenance or field service
of the Software under this Agreement.
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Motorola Solutions, Inc. end user license agreement Chapter 3 Legal information
Disclaimer
MOTOROLA DISCLAIMS ALL WARRANTIES OF ANY KIND, WHETHER EXPRESS,
IMPLIED, STATUTORY, OR IN ANY COMMUNICATION WITH YOU. MOTOROLA
SPECIFICALLY DISCLAIMS ANY WARRANTY INCLUDING THE IMPLIED WARRANTIES
OF MERCHANTABILTY, NONINFRINGEMENT, OR FITNESS FOR A PARTICULAR
PURPOSE. THE SOFTWARE AND DOCUMENTATION ARE PROVIDED “AS IS.”
MOTOROLA DOES NOT WARRANT THAT THE SOFTWARE WILL MEET YOUR
REQUIREMENTS, OR THAT THE OPERATION OF THE SOFTWARE WILL BE
UNINTERRUPTED OR ERROR FREE, OR THAT DEFECTS IN THE SOFTWARE WILL
BE CORRECTED. MOTOROLA MAKES NO WARRANTY WITH RESPECT TO THE
CORRECTNESS, ACCURACY, OR RELIABILITY OF THE SOFTWARE AND
DOCUMENTATION. Some jurisdictions do not allow the exclusion of implied
warranties, so the above exclusion may not apply to you.
Limitation of liability
THE TOTAL LIABILITY OF MOTOROLA UNDER THIS AGREEMENT FOR DAMAGES
WILL NOT EXCEED THE TOTAL AMOUNT PAID BY YOU FOR THE PRODUCT
LICENSED UNDER THIS AGREEMENT. IN NO EVENT WILL MOTOROLA BE LIABLE
IN ANY WAY FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL OR
PUNITIVE DAMAGES OF ANY NATURE, INCLUDING WITHOUT LIMITATION, LOST
BUSINESS PROFITS, OR LIABILITY OR INJURY TO THIRD PERSONS, WHETHER
FORESEEABLE OR NOT, REGARDLESS OF WHETHER MOTOROLA HAS BEEN
ADVISED OF THE POSSIBLITY OF SUCH DAMAGES. Some jurisdictions do not permit
limitations of liability for incidental or consequential damages, so the above exclusions
may not apply to you.
3-6
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PTP 250 User Guide Motorola Solutions, Inc. end user license agreement
U.S. government
If you are acquiring the Product on behalf of any unit or agency of the U.S.
Government, the following applies. Use, duplication, or disclosure of the Software and
Documentation is subject to the restrictions set forth in subparagraphs (c) (1) and (2)
of the Commercial Computer Software – Restricted Rights clause at FAR 52.227-19
(JUNE 1987), if applicable, unless being provided to the Department of Defense. If
being provided to the Department of Defense, use, duplication, or disclosure of the
Products is subject to the restricted rights set forth in subparagraph (c) (1) (ii) of the
Rights in Technical Data and Computer Software clause at DFARS 252.227-7013 (OCT
1988), if applicable. Software and Documentation may or may not include a Restricted
Rights notice, or other notice referring specifically to the terms and conditions of this
Agreement. The terms and conditions of this Agreement will each continue to apply,
but only to the extent that such terms and conditions are not inconsistent with the
rights provided to you under the aforementioned provisions of the FAR and DFARS, as
applicable to the particular procuring agency and procurement transaction.
Term of license
Your right to use the Software will continue in perpetuity unless terminated as follows.
Your right to use the Software will terminate immediately without notice upon a
breach of this Agreement by you. Within 30 days after termination of this Agreement,
you will certify to Motorola in writing that through your best efforts, and to the best of
your knowledge, the original and all copies, in whole or in part, in any form, of the
Software and all related material and Documentation, have been destroyed, except
that, with prior written consent from Motorola, you may retain one copy for archival or
backup purposes. You may not sublicense, assign or transfer the license or the
Product, except as expressly provided in this Agreement. Any attempt to otherwise
sublicense, assign or transfer any of the rights, duties or obligations hereunder is null
and void.
Governing law
This Agreement is governed by the laws of the United States of America to the extent
that they apply and otherwise by the laws of the State of Illinois.
Assignment
This agreement may not be assigned by you without Motorola’s prior written consent.
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Motorola Solutions, Inc. end user license agreement Chapter 3 Legal information
Survival of provisions
The parties agree that where the context of any provision indicates an intent that it
survives the term of this Agreement, then it will survive.
Entire agreement
This agreement contains the parties’ entire agreement regarding your use of the
Software and may be amended only in writing signed by both parties, except that
Motorola may modify this Agreement as necessary to comply with applicable laws.
Third party software
The software may contain one or more items of Third-Party Software supplied by other
third-party suppliers. The terms of this Agreement govern your use of any Third-Party
Software UNLESS A SEPARATE THIRD-PARTY SOFTWARE LICENSE IS INCLUDED,
IN WHICH CASE YOUR USE OF THE THIRD-PARTY SOFTWARE WILL THEN BE
GOVERNED BY THE SEPARATE THIRD-PARTY LICENSE.
Trademarks
Java Technology and/or J2ME : Java and all other Java-based marks are trademarks
or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries.
Licenses and attributions
The document
at www.motorola.com/ptp/software
software components that are incorporated into the PTP 250 product.
To gain access to source code licensed under the GPL, please contact Motorola via the
support web site at www.Motorola.com/ptp/support/contact
PTP 250 Third Party Licenses and Attributions
(available for download
) contains licenses and attributions for third party
.
3-8
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PTP 250 User Guide Hardware warranty
Hardware warranty
Motorola’s standard hardware warranty is for one (1) year from date of shipment from
Motorola or a Motorola Point-to-Point Distributor. Motorola warrants that hardware
will conform to the relevant published specifications and will be free from material
defects in material and workmanship under normal use and service. Motorola shall
within this time, at its own option, either repair or replace the defective product within
thirty (30) days of receipt of the defective product. Repaired or replaced product will
be subject to the original warranty period but not less than thirty (30) days.
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Limit of liability Chapter 3 Legal information
Limit of liability
IN NO EVENT SHALL MOTOROLA BE LIABLE TO YOU OR ANY OTHER PARTY FOR
ANY DIRECT, INDIRECT, GENERAL, SPECIAL, INCIDENTAL, CONSEQUENTIAL,
EXEMPLARY OR OTHER DAMAGE ARISING OUT OF THE USE OR INABILITY TO
USE THE PRODUCT (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF
BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS
INFORMATION OR ANY OTHER PECUNIARY LOSS, OR FROM ANY BREACH OF
WARRANTY, EVEN IF MOTOROLA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. (Some states do not allow the exclusion or limitation of incidental or
consequential damages, so the above exclusion or limitation may not apply to you.) IN
NO CASE SHALL MOTOROLA’S LIABILITY EXCEED THE AMOUNT YOU PAID FOR
THE PRODUCT.
3-10
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Chapter 4
Chapter 4 Reference information
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
This chapter describes the reference information and regulatory notices that apply to
the PTP 250.
The following reference topics are contained in this chapter:
x Installation inventories on page 4-2 lists the components required for PTP 250
i
nstallations, including ODUs, with Motorola part numbers.
.
.
.
.
x ODU specifications on page
(ODU) that is supplied by Motorola for PTP 250 installations.
x Power supply unit specifications on pa
power supply and PIDU that are supplied by Motorola for PTP 250 installations.
x Antenna specifications on page 4-14 contains specifications of the antennas that
are
approved by the FCC for use with the connectorized ODUs.
x Wireless specifications on page 4-19 contains specifications of the PTP 250
wireless in
x Data network specifications on page 4-21 contains specific
Ethernet interface.
x Compliance with safety s
against which the PTP 250 has been tested and certified. It also describes how to
keep RF exposure within safe limits.
x Compliance with radio regulations on page 4-27 describes
plies with the radio regulations that are in force in various countries.
com
x Notifications on pa
the PTP 250.
terface, including RF bands, channel width and link loss.
ge 4-33 contains notifications made to regulatory bodies for
4-10 contains specifications of the outdoor unit
ge 4-12 contains specifications of the PoE
ations of the PTP 250
tandards on page 4-22 lists the safety specifications
how the PTP 250
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Installation inventories Chapter 4 Reference information
Installation inventories
This section lists the components required for PTP 250 installations, including ODUs,
with Motorola part numbers.
PTP 250 kits
The PTP 250 is supplied as a 'Link' or an 'End' kit. A ‘Link’ kit contains components for
both ends of a link (including two ODUs and two PoE power supply units). An 'End' kit
contains components for one end of a link (including one ODU and one PoE power
supply). The kits may contain either integrated ODUs (antennas included) or
connectorized ODUs (separate antennas must be purchased).
PTP 250 kits are supplied in two regional variants: one is for use in countries where
FCC or IC licensing restrictions apply (the USA and Canada), and the other is for use
in ETSI countries or the rest of the world (ETSI/RoW). Table 4-1 contains p
for all kit variants. Table 4-2 lists PTP 250 kit components
.
a
rt numbers
Table 4-1 PTP 250 kit part numbers
Frequency
variant
5.4 / 5.8 GHz ETSI/RoW Integrated Link Complete WB3716
5.4 / 5.8 GHz ETSI/RoW Integrated End Complete WB3717
5.4 / 5.8 GHz ETSI/RoW Connectorized Link Complete WB3718
5.4 / 5.8 GHz ETSI/RoW Connectorized End Complete WB3719
5.8 GHz FCC/IC Integrated Link Complete WB3720
5.8 GHz FCC/IC Integrated End Complete WB3721
5.8 GHz FCC/IC Connectorized Link Complete WB3722
5.8 GHz FCC/IC Connectorized End Complete WB3723
Regional
variant
Integrated or
Connectorized
Link or
End Complete
Part
number
4-2
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PTP 250 User Guide Installation inventories
Table 4-2 Inventory for ODU and PoE power supply kits
Item Notes
ODUs
ODUs may be Integrated (as illustrated) or
Connectorized.
‘End Complete’ kit contains one ODU with
grounding cable.
‘Link Complete’ kit contains two ODUs
with grounding cables.
PoE power supply
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‘End Complete’ kit contains one injector.
‘Link Complete’ kit contains two injectors.
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Installation inventories Chapter 4 Reference information
Item Notes
Mounting bracket assembly
Choice of mains leads (US, UK and
EU)
Cable gland
‘End Complete’ kit contains one bracket.
‘Link Complete’ kit contains two brackets.
‘End Complete’ kit contains one US, one
UK and one EU lead.
‘Link Complete’ kit contains two US, two
UK and two EU leads.
‘End Complete’ kit contains one gland.
‘Link Complete’ kit contains two glands.
4-4
Reset plug
‘End Complete’ kit contains one switch.
‘Link Complete’ kit contains two switches.
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PTP 250 User Guide Installation inventories
Other standard components
In addition to ODU and PoE power supply kits, standard installations require the
components listed in Table 4-3.
Table 4-3 Addi
Item Notes
Outdoor drop cable
CAUTION
Always use Cat5e cable that is gel-filled
and shielded with copper-plated steel.
Alternative types of drop cable are not
supported by Motorola.
RJ45 connectors
NOTE
The specified connectors, crimp tool and
die set are specific to Superior Essex
BBDGe cable (they may not work with
other types of cable).
tional inventory for standard installations
Superior Essex BBDGe cable is available
from Motorola with the following lengths
and part numbers (other lengths are
available from Superior Essex):
‘1000 ft Reel Outdoor Copper Clad
CAT5E’. Motorola part number
WB3175.
‘328 ft (100 m) Reel Outdoor Copper
Clad CAT5E’. Motorola part number
WB3176.
‘Tyco/AMP, Mod Plug RJ45 Unscreened,
25 pk’. Motorola part number WB3177.
‘Tyco/AMP Crimp Tool’. Motorola part
number WB3211.
‘Tyco/AMP Die Set’. Available from Tyco,
part number 1-853400-0.
Cable glands
Cable hoisting grip
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For protecting the drop cable entry points.
Glands are included in the ODU and LPU
kits, but additional glands may be
purchased from Motorola if required.
‘PTP SER EMC CABLE GLAND
(GROUNDING)’. Quantity 10. Motorola,
part number WB1811.
For hoisting the drop cable up to the ODU
without damaging the gland or RJ45 plug.
Not supplied by Motorola.
4-5
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Item Notes
Cable grounding kits
Lightning Protection Unit (LPU) kits
One kit is required per drop cable
grounding point.
‘Cable Grounding Kits For 1/4" And 3/8"
Cable’. Motorola part number
01010419001.
Kit contents: grounding cable, selfamalgamating tape, PVC tape, tie-wraps,
bolts, washers and nuts.
Two kits are required per standard link.
‘LPU End Kit PTP 250/300/500’.
part number WB2978D.
Kit contents: one LPU, one grounding
cable, nuts, bolts and two cable glands.
Motorola
Cable ties, cable cleats For securing cables. Purchase separately.
Indoor CAT5e cable
CAUTION
The connected network equipment must
feature screened RJ45 connectors
and must be connected to ground,
otherwise the PoE power supply will not
be grounded.
4-6
To connect the PoE power supply to
network equipment, use screened cable
that meets this specification:
Screening: Must be either foil screen
(FTP) or braided screen (STP) cable.
Connectors: Must use screened RJ45
connectors with metal shells at both
ends.
Electrical connection: There must be
a continuous electrical connection
between both screened connectors.
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PTP 250 User Guide Installation inventories
Item Notes
Drop cable tester
An optional item for testing the resistances
between the RJ45 pins of the drop cable.
Order from
http://www.motorola.com/ptp/support
selecting Point-to-Point, Order Cable
Tester and completing the order form.
Components required with connectorized ODUs
Connectorized ODUs require the additional components listed in Table 4-4.
Table 4-4 Additional inventory for connectorized ODUs
by
Item Notes
Antenna One required per link end (or two per link
end for spatial diversity). Not supplied by
Motorola. Approved antennas are listed in
Antenna specifications on page 4-14.
RF cable For connecting the ODU to the antenna. May
be cable of type LMR100, LMR200, LMR300,
LMR400 or LMR600. LMR400 is supplied by
Motorola:
‘50 Ohm Braided Coaxial Cable - 75
meter’. Motorola part number
30010194001.
‘50 Ohm Braided Coaxial Cable - 500
meter’. Motorola part number
30010195001.
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Installation inventories Chapter 4 Reference information
Item Notes
N type male connectors
Self-amalgamating and PVC tape To weatherproof the RF connectors.
Cable grounding kits One kit is required per antenna cable
For connecting the RF cables to the ODU.
Two connectors required per ODU. Use
weatherproof connectors, preferably ones
that are supplied with adhesive lined heat
shrink sleeves that are fitted over the
cable/connector interface.
‘RF CONNECTOR,N,MALE,STRAIGHT FOR
CNT-400 CABLE’. Motorola part number
09010091001.
NOTE
For the antenna end of the RF cable,
refer to the antenna manufacturer’s
instructions.
grounding point.
Refer to Table 4-3 for s
numbers.
pecifications and part
4-8
Cable ties, cable cleats For securing antenna cables.
Lightning arrestor For protecting the antenna cable at building
entry, when the ODU is mounted indoors.
One required per antenna cable.
For example: Polyphaser LSXL-ME or LSXL.
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Alternative components
Some alternatives to standard PTP 250 components are listed in Table 4-5.
Table 4-5 Alternative PTP 250 components
Item Notes
Powered Indoor Unit (PIDU Plus)
This is the approved alternative to the PoE power
supply. It provides an interface to a -48 V DC power
supply.
‘PTP 300/500/600 Series PIDU with AUS Lead’,
Motorola part number WB3022.
‘PTP 300/500/600 Series PIDU with EU Lead’,
Motorola part number WB3023.
‘PTP 300/500/600 Series PIDU with UK Lead’,
Motorola part number WB3024.
‘PTP 300/500/600 Series PIDU with US Lead’,
Motorola part number WB3025.
For guidance on choosing the most suitable power
supply unit, refer to Power supply selection on pa
2-4.
ge
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ODU specifications Chapter 4 Reference information
ODU specifications
This section contains specifications of the outdoor unit (ODU) that is supplied by
Motorola for PTP 250 installations. These specifications apply to all product variants.
ODU dimensions and weight
The integrated ODU conforms to the physical specifications listed in Table 4-6.
Table 4-6 Integrated ODU physical specifications
Category Specification
Dimensions Width 370 mm (14.5 in), Height 370 mm (14.5 in),
Depth 95 mm (3.75 in)
Weight 5.35 Kg (11.8 lbs) including bracket
The connectorized ODU conforms to the physical specifications listed in Table 4-7.
Table 4-7 Connectorized ODU physical specifications
Category Specification
Dimensions Width 309 mm (12.2 in), Height 309 mm (12.2 in),
Depth 105 mm (4.01 in)
Weight 4.7 Kg (10.4 lbs) including bracket
4-10
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