Redline Communications WiMAX Forum Certified RedMAX AN-100U Instruction sheet

RedMAX
AN-100U Base Station
(Single Sector)
Installation Guidelines
Doc#70-00059-01-00 Proprietary Redline Communications © 2006
May 30, 2006 Page 1 of 38

RedMAX
™AN-100U
installation guidelines
Doc #70-00059-01-00 Proprietary Redline Communications © 2006 May 30, 2006
Page 2 of 38
Copyright Information
All rights reserved May 30, 2006. The information in this document is
proprietary to Redline Communications Inc. This document may not in whole
or in part be copied, reproduced, or reduced to any medium without prior
consent, in writing, from Redline Communications Incorporated.
Contact Information Redline Communications Inc.
302 Town Centre Blvd. Suite 100
Markham, ON
Canada L3R 0E8
Web site: http://www.redlinecommunications.com
Sales Inquiries:
North American
Toll-free sales line
International
[email protected]
1-866-633-6669
[email protected]
Support:
Email
Telephone
[email protected]
Contact your Redline Distributor
Source Document ID: 70-00059-01-00-RedMAX_AN-100U_Installation_Guide-
20060530a.doc
Disclaimer
The statements, configurations, technical data, and recommendations in this
document are believed to be accurate and reliable, but are presented without
express or implied warranty. Additionally, Redline makes no representations or
warranties, either expressed or implied, regarding the contents of this product.
Redline Communications shall not be liable for any misuse regarding this product.
The information in this document is subject to change without notice.

RedMAX
™AN-100U
installation guidelines
Doc #70-00059-01-00 Proprietary Redline Communications © 2006 May 30, 2006
Page 3 of 38
TABLE OF CONTENTS
1Important Safety Notices ........................................................................5
1.1 Safety Warnings........................................................................................5
1.2 Important Warning Symbols......................................................................6
1.3 UL Information...........................................................................................6
1.4 CE Notice ..................................................................................................6
1.5 R&TTE Directive 1999/5/EC Statements...................................................7
1.6 Information For Use In Canada.................................................................8
1.7 Important Service Information ...................................................................8
1.8 WEEE Product Return Process.................................................................9
2Pre-Installation Requirements..............................................................10
2.1 Site Survey..............................................................................................10
2.1.1 Site Path Survey..................................................................................10
2.1.2 Identify the Best Path ..........................................................................12
2.1.3 Antenna Mounting and IF Cable Routing ............................................12
2.2 Antenna Alignment ..................................................................................13
2.3 Unpacking the System.............................................................................13
3AN-100U Installation..............................................................................14
3.1 AN-100U ODU Installation.......................................................................14
3.1.1 Assembly and Mounting of AN-100U ODU..........................................14
3.2 Sector Controller Antenna.......................................................................17
3.2.1 Mounting Alignment.............................................................................17
3.2.2 Antenna Positioning.............................................................................18
3.2.3 Antenna Polarization ...........................................................................19
3.2.4 Weatherproofing..................................................................................21
3.2.5 IF Cabling ............................................................................................22
3.2.6 Lightning Protection.............................................................................23
3.3 AN-100U IDU Installation ........................................................................27
3.3.1 Installation Checklist............................................................................27
3.3.2 Mounting..............................................................................................28
3.3.3 Grounding............................................................................................29
3.3.4 Power ..................................................................................................29
3.3.5 IF Cable...............................................................................................29
3.4 Collocated Sector Controllers..................................................................30
3.4.1 Synchronization...................................................................................30
3.4.2 Frequency Selection............................................................................31
3.4.3 Frame Size ..........................................................................................31
3.4.4 Uplink/Downlink Ratio..........................................................................31
3.5 Configuring the Sector Controller............................................................31
3.5.1 Configuration Using a Web Browser....................................................31
3.5.2 Ethernet Settings.................................................................................32
3.5.3 Wireless Settings.................................................................................32
3.5.4 Testing Service Flows .........................................................................33
3.6 Antenna Alignment ..................................................................................33
3.7 Alignment Using RSSI.............................................................................33
4Appendices............................................................................................34

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™AN-100U
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4.1 DC Power Connections...........................................................................34
4.2 IF Cable Assembly Drawing....................................................................35
4.3 TB3435T7 AN-100U Transceiver Drawing..............................................36
LIST OF FIGURES
Figure 1: Notices - WEEE Logo ............................................................................9
Figure 2: Survey - Fresnel Zone Obstruction......................................................10
Figure 3: Survey - Link Budget Tool Screen .......................................................11
Figure 4: Survey - Antenna Mounting Locations.................................................12
Figure 5: Unpacking - AN-100U Components.....................................................13
Figure 6: ODU Installation - Antenna Bracket Assembly 1 of 2...........................15
Figure 7: ODU Installation - Antenna Bracket Assembly 2 of 2...........................16
Figure 8: ODU Installation - Transceiver/Antenna Mounting...............................16
Figure 9: ODU Installation - 4-Sector Antenna Spacing......................................17
Figure 10: ODU Installation - 6-Sector Antenna Spacing....................................18
Figure 11: ODU Installation - 4-Sector Antenna Freq./Polarization.....................19
Figure 12: ODU Installation - 6-Sector Antenna Freq./Polarization.....................20
Figure 13: ODU Installation - Weatherproofing - Splicing Tape Pt. 1..................21
Figure 14: ODU Installation - Weatherproofing - Splicing Tape Pt. 2..................21
Figure 15: ODU Installation - Weatherproofing - Putty Pt. 1 ...............................22
Figure 16: ODU Installation - Weatherproofing - Putty Pt. 2 ...............................22
Figure 17: ODU Installation - Lightning Protection Connections.........................24
Figure 18: ODU Installation - N-Type In-Line and Bulkhead Mount Units...........25
Figure 19: ODU Installation - Lightning Protector Mounting................................25
Figure 20: ODU Installation - Lightning Protection Cable Connections...............26
Figure 21: IDU Installation - AN-100U Terminal..................................................27
Figure 22: IDU Installation - AN-100U ETSI Mounting Dimensions ...................28
Figure 23: IDU Installation - AN-100U ETSI Rack Mount....................................28
Figure 24: IDU Installation - Time Synchronization Connections........................30
Figure 25: IDU Installation - Browser Address Field ...........................................31
Figure 26: IDU Installation - AN-100U Login Screen...........................................32
Figure 27: Reference - IF Cable Assembly Drawing...........................................35
Figure 28: Reference - R-35 AN-100U Radio - Dimensions - 1 of 2...................36
Figure 29: Reference - R-35 AN-100U - Radio Dimensions - 2 of 2...................37
LIST OF TABLES
Table 1: Notices - Community Language CE Declarations...................................7
Table 2: Notices - R&TTE: Countries of Use (3.4 GHz & 3.6 GHz) ......................8
Table 3: Survey - Site Path Profile......................................................................11
Table 4: ODU Installation - Radio (ODU) Installation Checklist ..........................14
Table 5: ODU Installation - Minimum Antenna Separation..................................17
Table 6: IDU Installation - Terminal (IDU) Installation Checklist .........................27
Table 7: Reference - DC Power Supply Cable Connections...............................34

RedMAX
™AN-100U
installation guidelines
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Page 5 of 38
Chapter
1
1
1 I Im mp po or rt ta an nt t S Sa af fe et ty y N No ot ti ic ce es s
1.1 Safety Warnings
1. Warning to service personnel: Caution for all AC and DC models – double
pole/neutral fusing. Always replace fuse with correct type and current rating.
2. DC power supply connection warning:
Warning to Service Personnel:
DC Power Supply Connections
Caution for all models: Double pole/neutral fusing.
Caution for all DC
models:
Units are not equipped with power
switches and activate immediately
when connected to a power source.
3. IF cable connection caution:
Caution to Service Personnel:
IF Cable Connection
Connecting or disconnecting the IF cable connector when the AN-100U is
powered-on may damage the AN-100U equipment.
The AN-100U provides DC power to the outdoor transceiver unit through the IF
cable. Installers must ensure that the AN-100U indoor unit is completely
powered off before connecting or disconnecting the IF cable at the transceiver
or indoor unit. Technical service personnel must employ the same cautions
when bench-testing equipment prior to field deployment.
4. Installation of antenna and transceiver must be contracted to professional
installer.
5. Read this User Manual and follow all operating and safety instructions.
6. Keep all product information for future reference.
7. This product is supplied with a grounding power plug. Do not defeat this
important safety feature.
8. The power requirements are indicated on the product-marking label. Do not
exceed the described limits.
9. Position the power cord to avoid damage, and do not overload wall outlets.
10. Do not place this product on or near a direct heat source, and avoid placing
objects on the terminal.
11. Do not operate this device near water or in a wet location.

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™AN-100U
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12. Use only a damp cloth for cleaning. Do not use liquid or aerosol cleaners.
Disconnect the power before cleaning.
13. Protect the unit by disconnecting the power if it is not used for long periods.
14. Locate the terminal on a stable horizontal surface or mount securely in a 19-inch
Telco rack.
15. The radio transceiver units must not be located near power lines or other
electrical power circuits.
16. The radio transceiver must be properly grounded to protect against power surges
and accumulated static electricity. It is the user’s responsibility to install this
device in accordance with the local electrical codes: correct installation
procedures for grounding of the transceiver unit, mast, lead-in wire and discharge
unit, location of discharge unit, size of grounding conductors and connection
requirements for grounding electrodes.
1.2 Important Warning Symbols
The following symbols may be encountered during installation or troubleshooting.
These warning symbols mean danger. Bodily injury may result if you are not aware
of the safety hazards involved in working with electrical equipment and radio
transmitters. Familiarize yourself with standard safety practices before continuing.
Electro-Magnetic Radiation High Voltage
1.3 UL Information
1. Caution for all AC and DC models: Double Pole/Neutral Fusing.
2. The equipment must be properly grounded according with NEC and other local
safety code requirements.
3. The DC source must be fused at Time Delay 2.5A, 250V.
4. The DC input wiring must be minimum 18 AWG.
5. The DC input source must be SELV.
6. The DC input source must comply with local electrical codes.
7. To meet the over voltage safety requirements on the telecommunications cables, a
minimum 26 AWG telecommunication line cord must be used.
8. "Pour être en conformance avec les exigences finies de sûreté de sur-tension sur
les câbles de télécommunications un fil de télécommunication ayant un caliber
minimum de 26 AWG doit être utilisé."
9. Reminder to all the BWA system installers: Attention to Section 820-40 of the
NEC which provides guidelines for proper grounding and, in particular, specifies
that the cable ground shall be connected to the grounding system of the building,
as close to the point of cable entry as is practical.
1.4 CE Notice
The transceiver and antenna equipment must be installed by a qualified professional
installer and must be installed in compliance with regional, national, and local

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™AN-100U
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regulations. It is the responsibility of the system installer and/or system operator to
ensure the installed system does not exceed any operational constraints identified by
local regulations. Refer to the product User Manual and the Broadband Fixed
Wireless Installation Guidelines for AN-100U Series Systems for detailed
information about the correct installation steps to ensure power and frequency
settings are set correctly before connecting the antenna. Refer to the AN-100U
System Antenna Specifications (70-00032) for a list of Redline Communications
approved antennas. Antennas not listed in this guide are outside the scope of this
declaration.
1.5 R&TTE Directive 1999/5/EC Statements
Table 1:Notices - Community Language CE Declarations
Community language versions of informal statement for inclusion in user
information in accordance with Article 6.3 of Directive 1999/5/EC
Danish Undertegnede Redline Communications erklærer herved, at følgende
udstyr AN-100U overholder de væsentlige krav og øvrige relevante krav i
direktiv 1999/5/EF
Hierbij verklaart Redline Communications dat het toestel AN-100U in
overeenstemming is met de essentiële eisen en de andere relevante
bepalingen van richtlijn 1999/5/EG
Dutch
Bij deze verklaart Redline Communications dat deze AN-100U voldoet
aan de essentiële eisen en aan de overige relevante bepalingen van
Richtlijn 1999/5/EC.
English Hereby, Redline Communications, declares that this AN-100U is in
compliance with the essential requirements and other relevant provisions
of Directive 1999/5/EC.
Finnish Redline Communications vakuuttaa täten että AN-100U tyyppinen laite
on direktiivin 1999/5/EY oleellisten vaatimusten ja sitä koskevien
direktiivin muiden ehtojen mukainen.
Par la présente Redline Communications déclare que l'appareil AN-100U
est conforme aux exigences essentielles et aux autres dispositions
pertinentes de la directive 1999/5/CE
French
Par la présente, Redline Communications déclare que ce AN-100U est
conforme aux exigences essentielles et aux autres dispositions de la
directive 1999/5/CE qui lui sont applicables
Hiermit erklärt Redline Communications, dass sich dieser/diese/dieses
AN-100U in Übereinstimmung mit den grundlegenden Anforderungen
und den anderen relevanten Vorschriften der Richtlinie 1999/5/EG
befindet". (BMWi)
German
Hiermit erklärt Redline Communications die Übereinstimmung des
Gerätes AN-100U mit den grundlegenden Anforderungen und den
anderen relevanten Festlegungen der Richtlinie 1999/5/EG. (Wien)
Greek ΜΕ ΤΗΝ ΠΑΡΟΥΣΑ Redline Communications ∆ΗΛΩΝΕΙ ΟΤΙ AN-100U
ΣΥΜΜΟΡΦΩΝΕΤΑΙ ΠΡΟΣ ΤΙΣ ΟΥΣΙΩ∆ΕΙΣ ΑΠΑΙΤΗΣΕΙΣ ΚΑΙ ΤΙΣ
ΛΟΙΠΕΣ ΣΧΕΤΙΚΕΣ ∆ΙΑΤΑΞΕΙΣ ΤΗΣ Ο∆ΗΓΙΑΣ 1999/5/ΕΚ
Italian Con la presente Redline Communications dichiara che questo AN-100U
è conforme ai requisiti essenziali ed alle altre disposizioni pertinenti
stabilite dalla direttiva 1999/5/CE.
Portugues
e Redline Communications declara que este AN-100U está conforme com os requisitos essenciais e outras provisões da Directiva 1999/5/CE.

RedMAX
™AN-100U
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Table 1:Notices - Community Language CE Declarations
Spanish Por medio de la presente Redline Communications declara que el AN-
100U cumple con los requisitos esenciales y cualesquiera otras
disposiciones aplicables o exigibles de la Directiva 1999/5/CE
Swedish Härmed intygar Redline Communications att denna AN-100U står I
överensstämmelse med de väsentliga egenskapskrav och övriga
relevanta bestämmelser som framgår av direktiv 1999/5/EG.
R&TTE Directive 1999/5/EC - Declarations of conformity are available at the
following web site address:
http://www.redlinecommunications.com/conformance/
Table 2:Notices - R&TTE: Countries of Use (3.4 GHz & 3.6 GHz)
Country 3400-
3600
MHz
3600-
3800
MHz
Country 3400-
3600
MHz
3600-
3800
MHz
Country 3400-
3600
MHz
3600-
3800
MHz
Austria 9Hungary 9Poland 99
Belgium 9Iceland 9Portugal 99
Bulgaria 99Ireland 99Romania 9
Cyprus Italy Slovakia 9
Czech
Republic
9Latvia 99Slovenia 9
Denmark 9Liechtenstein
9Spain 9
Estonia 9Lithuania
9Sweden 9
Finland 9Luxembourg
9Switzerland 9
France 9Malta 9United
Kingdom
99
Germany 9Netherlands
9
Greece 9Norway 99
1.6 Information For Use In Canada
Usage of this AN-100U base station is subject to license within Canada. More information
regarding licensing requirements is available from Industry Canada (www.ic.gc.ca).
1.7 Important Service Information
1. Refer all repairs to qualified service personnel. Do not remove the covers or
modify any part of this device, as this voids the warranty.
2. Disconnect the power to this product and return it for service if the following
conditions apply:
a) The unit does not function after following the operating instructions outlined
in this manual.
b) Liquid has been spilled, a foreign object is inside, or the terminal has been
exposed to rain.
c) The product has been dropped or the housing is damaged.
3. Locate the serial number of the terminal, antenna, and transceiver and record
these on your registration card for future reference. Use the space below to affix
serial number stickers. Record the MAC address, located on the back of the
terminal.

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™AN-100U
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1.8 WEEE Product Return Process
Figure 1: Notices - WEEE Logo
In accordance with the WEEE (Waste from Electrical and Electronic Equipment)
directive, 2002/96/EC, Redline Communications equipment is marked with the logo
shown above. The WEEE directive seeks to increase recycling and re-use of
electrical and electronic equipment. This symbol indicates that this product should
not be disposed of as part of the local municipal waste program. Contact your local
sales representative for additional information.

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™AN-100U
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Chapter
2
2
2 P Pr re e- -I In ns st ta al ll la at ti io on n R Re eq qu ui ir re em me en nt ts s
2.1 Site Survey
The RF signal path profile is required to determine the location, height, and aiming
requirements for installation of the wireless system radio/antenna.
2.1.1 Site Path Survey
Before the installation of the equipment, a site survey should be completed. Copies of
this survey data must be provided to the installation team. This data should include
the following:
Copies of the path profile so that the installation height requirements of ODU can be
determined. The path profile should show the clearance above natural and man-made
objects by at least 60% of the First Fresnel zone. This will provide a clear line-of-
sight (LOS) path.
The Redline system is very robust and will work without performance degradation in
an optical line-of-sight (OLOS) path where a straight path is clear between the two
end points but the 60% of the First Fresnel zone is not clear. If the straight path is
blocked, the non-line-of-sight (NLOS) path can still operate using reflections and
diffraction.
Figure 2: Survey - Fresnel Zone Obstruction
A critical parameter to consider is the range at which communicating wireless
systems are required to operate. Range performance is determined by empirical
formulas that consider a number of equipment and environmental factors.
The Link Budget Tool developed by Redline will calculate expected performance of
the link for a specified range. Ensure that the installation sites will meet performance
requirements before moving to the next step.
The completed path profile should include all information listed in the following
table:

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Table 3: Survey - Site Path Profile
Antenna Description
Location Instructions to identify the location for installing the antenna mast.
May include blueprints and specify material list.
Height Mounting height for antenna.
Azimuth Horizontal aiming direction for the antenna (magnetic or GPS
compass)
Elevation angle Vertical aiming for antenna (spirit level).
Expected RSSI Use the Link Budget tool to determine the expected receive signal
strength (RSSI).
Figure 3: Survey - Link Budget Tool Screen

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™AN-100U
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2.1.2 Identify the Best Path
The next step is to conduct a general site survey to determine the location for the
antenna. This involves a survey to identify building and structures that can be used to
mount an antenna. Refer to the specification for the maximum IF cable length.
For maximum performance in an OLOS deployment, it is recommended to mount the
antenna in a location where there is direct line of sight to the receiving wireless
system. If the obstruction in the path is not exceptionally high, it may be possible to
aim both antennas near the top of the obstruction. The antenna should be positioned
to provide maximum clearance within the first Fresnel zone of the direct path (as high
as possible, on either a tall building or tower).
The wireless system also supports installation in non-line-of-sight (NLOS)
conditions. A satisfactory multipath RF signal can often be obtained by directing
each antenna towards a structure in sight of both communicating wireless systems.
Figure 4: Survey - Antenna Mounting Locations
The recommended method for obtaining a satisfactory RF signal is to test a number
of antenna positions and measure the signal-to-noise ratio and received signal
strength (RSSI) for each position.
It is also important to test for RF interference at the intended rooftop or tower
installation site. RF interference can be caused by any wireless system in the area that
is operating in the same frequency band as the wireless. Accurate analysis requires
the use of specialized RF test equipment. The primary purpose of these tests is to
determine what channels are available for use on the wireless system.
2.1.3 Antenna Mounting and IF Cable Routing
When the antenna location has been established, plans should be made for installation
of the antenna mast or alternative mounting equipment. Plans should be made for
routing the IF cable from the outdoor unit to the terminal. In some locations it may
also be possible to install the IF cable on the outside of the building. If the building
must be penetrated to run the IF cable, it is important to verify that building
blueprints and/or drawings are up to date and accurate, and that all permissions are
obtained for the required modifications.

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2.2 Antenna Alignment
Obtain accurate antenna pointing azimuth and elevation angles for each installation
site. This will allow approximate alignment of antennas using GPS or a magnetic
compass.
2.3 Unpacking the System
The system comes packaged with the following items:
- Documentation CD-ROM
- AN-100U terminal (indoor unit):
- AN-100U Outdoor Unit:
- Transceiver
- Transceiver/antenna mounting bracket
- Antenna
- IF Cable
- RF Cable
- AC/DC Power Cables
- Other:
If you have determined that it is appropriate to install lightning protection for your
system, Redline certifies that the following devices are compatible with the AN-
100U equipment: Polyphaser part #104-1004T-A and #104-100T-B
Figure 5: Unpacking - AN-100U Components

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Chapter
3
3
3 A AN N- -1 10 00 0U U I In ns st ta al ll la at ti io on n
3.1 AN-100U ODU Installation
The following table lists items required for installation.
Table 4: ODU Installation - Radio (ODU) Installation Checklist
Item Description
Supplied
with
system
Antenna Mounting bracket
Transceiver
Antenna
RF port cable
IF port cable
Customer
supplied
Items
Antenna aiming directions (site path survey)
Antenna mast
Building ground connection block
Grounding wire
Cable ties, etc.
Waterproofing material for connections
3.1.1 Assembly and Mounting of AN-100U ODU
It is suggested that the majority of the assembly and weatherproofing be completed
before final installation. See following sections for weatherproofing requirements.
IF Cable Connection
Caution to Service Personnel
Connecting or disconnecting the IF cable connector when the AN-100U is
powered-on may damage the AN-100U equipment.
The AN-100U provides DC power to the outdoor transceiver unit through the IF
cable. Installers must ensure that the AN-100U indoor unit is completely
powered off before connecting or disconnecting the IF cable at the transceiver
or indoor unit. Technical service personnel must employ the same cautions
when bench-testing equipment prior to field deployment.
These instructions are for the 305 mm (12 in) and 600 mm (24 in) flat-panel
antennas. Refer to the Appendix for the assembly drawing. Separate instructions are
available from Redline for installation of parabolic antennas.
1. Attach the rear portion of the mounting bracket and confirm that it adjusts to the
diameter of the antenna mast. The vertical mount bracket can accommodate mast
diameters from 4.45 cm (1.75 in) to 11.45 cm (4.5 in).

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2. Complete the assembly of the mounting bracket. Ensure that you utilize all
washers and split washers supplied. The antenna N-connector should be located
to the right and just above the mounting bracket to allow ease of access when
weatherproofing the connectors.
3. Secure the transceiver to the mounting bracket as shown in the Figure 6.
4. Secure the antenna to the mounting bracket. The antenna must be mounted in the
correct polarization for the sector (all subscribers in a sector must use the same
polarization). The arrow on the rear of the antenna pointing UP indicates vertical
polarization.
Figure 6: ODU Installation - Antenna Bracket Assembly 1 of 2
5. Connect the short RF cable between the transceiver and the antenna. Ensure that
the cable droops downward to assist water runoff. The connectors must be finger-
tight plus 1/8th turn only (N-type: 135 N-cm /12 lb-in) -- excessive twisting force
may damage the connector on the antenna or transceiver. Use the correct tool!

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Figure 7: ODU Installation - Antenna Bracket Assembly 2 of 2
6. Connect the transceiver and mounting bracket to earth ground using the
grounding connections provided.
7. Connect the IF cable to the transceiver. The connector must be finger-tight plus
1/8th turn only (F-type: 165 N-cm / 15 lb-in) -- excessive force may cause
damage to the connector.
Figure 8: ODU Installation - Transceiver/Antenna Mounting
8. Properly weatherproof all connections (refer to section 3.2.4: Weatherproofing on
page 21.
9. It is extremely important to ensure that all connectors are correctly tightened
(finger tighten plus 1/8th turn only!) and adequately weatherproofed.
10. The overall grounding to the tower of the unit may now be completed. Follow all
local and national codes.

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3.2 Sector Controller Antenna
The term 'collocated' applies to a set 2-to-6 sector controllers installed at a common
location to form an isolated cell.
Caution: Deviation from any of the following recommendations may impact a
portion or all traffic on one or more collocated sectors.
3.2.1 Mounting Alignment
The following minimum separation is required between collocated sector antennas:
Table 5: ODU Installation - Minimum Antenna Separation
Orientation Minimum Distance
Back to back 1.83 m (6 ft)
Side to side 0.91 m (3 ft)
Figure 9: ODU Installation - 4-Sector Antenna Spacing

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Figure 10: ODU Installation - 6-Sector Antenna Spacing
3.2.2 Antenna Positioning
Mechanical tilting of sector antennas can further reduce co-channel and adjacent
channel effects, with a slight reduction in sector size.
Refer to section 3.6: Antenna Alignment on page 33.

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3.2.3 Antenna Polarization
Co-channel deployment within the same cell requires the use of certified cross-
polarized antennas and 180° degree (back-to-back) separation.
Figure 11: ODU Installation - 4-Sector Antenna Freq./Polarization

RedMAX
™AN-100U
installation guidelines
Doc #70-00059-01-00 Proprietary Redline Communications © 2006 May 30, 2006
Page 20 of 38
Figure 12: ODU Installation - 6-Sector Antenna Freq./Polarization