Redline Communications AN-100 System User manual

AN-100 System
User Manual
70-00031 Release 1.1

AN-100
user manual
70-00031-01-01 Page 2 of 128 May 2004
Copyright Information
All rights reserved March 2004.
The information in this document is subject to change without notice. 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. Users must take full responsibility for their applications of any
products specified in this document. 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.
Copyright © 2004 Redline Communications Inc.
Contact Information Redline Communications Inc.
302 Town Centre Blvd.
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
Product Registration http://www.redlinecommunications.com
Click 'Support'
User ID: Register
Password: Redline
Disclaimer
Every effort has been made to ensure the accuracy of the material provided
herein; however, Redline assumes no responsibility regarding the use of the
material. Additionally, Redline makes no representations or warranties, either
expressed or implied, regarding the contents of this product. Redline
Communications will not be liable for any misuse regarding this product.

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TABLE OF CONTENTS
1Important Safety & Service Notices.....................................................11
1.1 Safety Warnings......................................................................................11
1.2 Important Warning Symbols....................................................................12
1.3 Important Service Information .................................................................12
1.4 UL Information.........................................................................................12
1.5 CE Information.........................................................................................12
1.6 Lightning Protection.................................................................................13
1.7 Product Information .................................................................................14
2Getting Started.......................................................................................15
2.1 How To Use This Manual........................................................................16
2.2 System Capabilities.................................................................................16
2.3 Terms Used in this Manual......................................................................17
3AN-100 System Overview .....................................................................19
3.1 IEEE 802.16a Compliance ......................................................................19
3.1.1 WiMax Interoperability.........................................................................19
3.1.2 PHY Specification................................................................................19
3.1.3 OFDM (256 FFT).................................................................................19
3.2 Dynamic Adaptation ................................................................................20
3.2.1 Time Division Duplexing (TDD) ...........................................................20
3.2.2 Adaptive Coding ..................................................................................20
3.2.3 Adaptive Modulation............................................................................20
3.2.4 Automatic Repeat Request (ARQ).......................................................20
3.2.5 Reed Solomon Error Correction ..........................................................20
3.2.6 Satellite Clock Time Synchronization ..................................................20
3.3 LAN Feature............................................................................................21
3.4 Privacy / Security.....................................................................................21
3.5 AN-100 Deployment Models....................................................................22
3.5.1 PTP Deployment .................................................................................22
3.5.2 PMP Deployment.................................................................................22
3.6 Non-Line of Sight Support.......................................................................23
3.7 Channelization.........................................................................................23
3.8 Service Flows..........................................................................................25
3.8.1 Uplink Service Flow Scheduling ..........................................................26
Unsolicited Grant Service....................................................................26
Real Time Polling ................................................................................26
Non-Real-Time Polling Service ...........................................................26
Best Effort Service...............................................................................26
3.8.2 Downlink Service Flow Scheduling......................................................26
4AN-100 Physical Description................................................................27
4.1 AN-100 Terminal .....................................................................................27
4.1.1 Mounting..............................................................................................27
4.1.2 Power Supply ......................................................................................27
4.1.3 Wireless Section..................................................................................27
IF Port (Radio Control) ........................................................................28

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Time Synchronization Port (SC Only)..................................................28
Wireless LEDs.....................................................................................28
4.1.4 Ethernet Section..................................................................................29
Ethernet Data Port and LEDs..............................................................29
Ethernet Mgt Port and LEDs................................................................30
4.1.5 System Section....................................................................................30
System LEDs.......................................................................................30
Reset Switch........................................................................................31
4.1.6 Grounding Connection.........................................................................31
4.1.7 Console Port........................................................................................32
4.2 AN-100 Radio..........................................................................................32
4.2.1 Transceiver..........................................................................................32
IF Port..................................................................................................32
RF Port................................................................................................33
Alignment Pin ......................................................................................33
4.3 Antenna...................................................................................................33
RF Connector ......................................................................................33
4.4 Transceiver/Antenna Mounting Bracket ..................................................33
5AN-100 System Installation ..................................................................35
5.1 Unpacking the AN-100 System ...............................................................35
5.2 Site Planning ...........................................................................................36
5.2.1 Site Path Survey..................................................................................36
Site Path Profile...................................................................................36
Identify Best Path ................................................................................36
Identify RF Interference.......................................................................37
Antenna Mounting Equipment.............................................................37
IF Cable Routing..................................................................................37
5.2.2 Site Plan Checklist...............................................................................38
5.2.3 Sector Controller Configuration Settings .............................................39
5.2.4 Subscriber Station Configuration Settings...........................................40
5.3 Installing the AN-100 terminal .................................................................41
5.3.1 Mounting and Cables...........................................................................41
Mounting..............................................................................................41
Grounding............................................................................................41
Power ..................................................................................................41
Ethernet Port .......................................................................................41
IF Cable...............................................................................................41
5.3.2 Connecting to the AN-100 terminal......................................................42
5.3.3 Setting Up the AN-100 Sector Controller.............................................44
Sector Controller Login........................................................................44
Sector Controller Ethernet Settings.....................................................45
Sector Controller Wireless Settings.....................................................45
5.3.4 Setting Up the AN-100 Subscriber Station ..........................................46
Subscriber Station Login .....................................................................46
Subscriber Station Ethernet Settings...................................................46
Subscriber Station Wireless Settings ..................................................47

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Testing Service Flows .........................................................................47
5.4 Installing the Transceiver and Antenna...................................................48
5.4.1 Assemble Mounting Bracket................................................................48
Mounting the Transceiver....................................................................49
Mounting the Antenna .........................................................................49
5.4.2 Cabling Connections ...........................................................................49
5.4.3 Waterproofing Outdoor Connections...................................................50
5.5 Antenna Alignment ..................................................................................51
5.5.1 Basic Alignment...................................................................................51
5.5.2 Verify Alignment Using RSSI...............................................................51
6Sector Controller (SC) Web Interface ..................................................53
6.1 Sector Controller - System Menu ............................................................53
6.2 Sector Controller - Monitoring Screens ...................................................55
6.2.1 Sector Controller - General Information Page .....................................55
System.................................................................................................55
Management Port................................................................................55
Wireless...............................................................................................56
6.2.2 Sector Controller - SS (Subscriber Station) Information......................57
6.2.3 Sector Controller - SF (Service Flow) Information...............................58
6.2.4 Sector Controller - Event Log Screen..................................................59
6.2.5 Sector Controller - Ethernet Statistics .................................................60
Ingress Statistics: Inbound Packets (Ethernet Port)............................60
Egress Statistics: Outbound Packets (Wireless).................................61
6.3 Sector Controller - Configuration Screens...............................................62
6.3.1 Sector Controller - MAC/PHY/RF Configuration..................................62
RF Parameters....................................................................................63
PHY Parameters..................................................................................63
MAC Parameters.................................................................................63
Entering Sector Controller Privacy Keys .............................................65
Configuration Screen Buttons..............................................................65
6.3.2 Sector Controller - MAC/Phy/RF Dynamic Configuration....................66
6.4 Sector Controller - Admin Tools Screens................................................67
6.4.1 Sector Controller - Network Settings ...................................................67
Network Settings .................................................................................67
IP Address Assignment.......................................................................68
DHCP Relay for SS.............................................................................68
HTTP Enable.......................................................................................68
Telnet Enable ......................................................................................68
SNMP v1 / SNMPv3 Enable................................................................68
IP Fragment on SM CID Enable..........................................................70
CPE to CPE Communication...............................................................70
Web Page Refresh Timeout................................................................70
System Configuration Buttons.............................................................70
6.4.2 Sector Controller - Software Upgrade Screen.....................................71
Upgrading Software.............................................................................71
Active SW Selection............................................................................71

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System Reset......................................................................................71
6.4.3 Sector Controller - System Password Screen .....................................72
System Password................................................................................72
7Subscriber Station (SS) Web Screens.................................................73
7.1 Subscriber Station - System Menu..........................................................73
7.2 Subscriber Station - Monitoring Screens.................................................75
7.2.1 Subscriber Station - General Info Screen............................................75
System.................................................................................................75
Management Port................................................................................75
Wireless...............................................................................................76
7.2.2 Subscriber Station - Status Screen......................................................77
Up Link Status.....................................................................................77
Management........................................................................................78
Service Flows......................................................................................78
7.2.3 Subscriber Station - Statistics Screen .................................................79
Service Flows......................................................................................79
Controls...............................................................................................79
7.2.4 Subscriber Station - Event Log Screen ...............................................80
7.3 Subscriber Station - Web Interface..........................................................81
7.3.1 Subscriber Station - MAC / PHY / RF Screen......................................81
RF parameters.....................................................................................81
PHY parameters..................................................................................82
MAC Parameters.................................................................................82
Entering Sector Controller Privacy Keys .............................................83
Configuration Controls.........................................................................84
7.3.2 Subscriber Station - Service Flow Screen...........................................85
Service Flow Configuration..................................................................85
Downlink and Uplink Settings..............................................................86
Uplink Specific Settings.......................................................................87
Service Flow Controls..........................................................................87
7.4 Subscriber Station - Administration Tools Screens.................................88
7.4.1 Subscriber Station - Software Upgrade Screen...................................88
File Location........................................................................................88
Status ..................................................................................................88
Activation.............................................................................................88
7.4.2 Subscriber Station - Network Settings - Local View ............................89
System Password................................................................................89
Local Management Port ......................................................................89
Monitoring............................................................................................90
Direct Commands................................................................................90
7.4.3 Subscriber Station - Network Settings - Remote View ........................91
System Password................................................................................91
Management Port................................................................................92
Time of Day.........................................................................................92
Monitoring............................................................................................92
Direct Commands................................................................................92

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8Troubleshooting....................................................................................93
8.1 Factory Default Settings..........................................................................93
8.2 Front Panel Diagnostics ..........................................................................93
8.2.1 System Power LED .............................................................................94
8.2.2 System Fault LED................................................................................94
8.2.3 Wireless Link LED ...............................................................................95
8.2.4 Wireless Signal LED............................................................................95
8.2.5 Ethernet Data Port Link/Act LED.........................................................96
8.2.6 Ethernet Data Port 100 LED................................................................96
8.2.7 Ethernet Data Port FD/Col LED...........................................................97
8.2.8 System Reset Button...........................................................................97
8.3 Troubleshooting The Web Interface........................................................98
8.4 RF Troubleshooting.................................................................................99
8.5 System Log Messages..........................................................................100
9Network Management .........................................................................105
9.1 RedAccess Network Management System (NMS)................................105
10 Appendices..........................................................................................107
10.1 Technical Specifications........................................................................107
10.2 Decoding Part Number Information.......................................................109
10.2.1 AN-100 Part Number.........................................................................109
10.2.2 Antenna Part Number........................................................................109
10.3 IF Cable Specifications..........................................................................110
10.4 DC Power Connections.........................................................................111
10.5 Transceiver Drawings............................................................................112
10.5.1 TS3435T7 Subscriber Station Transceiver........................................112
10.5.2 TB3435T7 Sector Controller Transceiver..........................................113
10.6 Glossary ................................................................................................114
10.7 Link Budget Tool....................................................................................123
10.8 Deployment Scenarios ..........................................................................127
10.8.1 Co-located Deployments ...................................................................127
10.8.2 Adjacent Area Deployments..............................................................127

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LIST OF TABLES
Table 1: Terms....................................................................................................17
Table 2: Channel Utilization ................................................................................23
Table 3: Adjacent Channel Interference Rejection (C/I)......................................24
Table 4: Wireless Link LED.................................................................................28
Table 5: Wireless Signal LED..............................................................................28
Table 6: Ethernet Data Port Link/Act LED...........................................................29
Table 7: Ethernet Data Port 100 LED..................................................................29
Table 8: Ethernet Data Port FD/Col LED ............................................................29
Table 9: Ethernet Mgt Port Link LED...................................................................30
Table 10: Ethernet Mgt Port Act LED..................................................................30
Table 11: System Pwr LED.................................................................................30
Table 12: System Fault LED ...............................................................................31
Table 13: Front Panel Reset Switch....................................................................31
Table 14: Console (RS-232) Port Pinout.............................................................32
Table 15: Site Path Profile...................................................................................36
Table 16: terminal (Inside) Installation Checklist.................................................38
Table 17: Radio (Outside) Installation Checklist .................................................38
Table 18: Required Configuration Settings - Sector Controller...........................39
Table 19: Required Configuration Settings - Subscriber Station.........................40
Table 20: Sector Controller Web Screens...........................................................54
Table 21: Subscriber Station Web Screens ........................................................74
Table 22: Traffic Scheduling................................................................................87
Table 23: Factory Default Settings......................................................................93
Table 24: System Power Diagnostics..................................................................94
Table 25: Wireless Link Diagnostics ...................................................................95
Table 26: Wireless Signal Diagnostics................................................................95
Table 27: Ethernet Link/Act Diagnostics .............................................................96
Table 28: Ethernet 100 Diagnostics....................................................................96
Table 29: Ethernet Collision Diagnostics.............................................................97
Table 30: Web Interface Diagnostics ..................................................................98
Table 31: RF Error Diagnostics...........................................................................99
Table 32: Log Messages...................................................................................100
Table 33: AN-100 Technical Specifications.......................................................107
Table 34: AN-100 Part Number Fields..............................................................109
Table 35: Antenna Part Number Fields.............................................................109
Table 36: DC Power Supply Cable Connections...............................................111
Table 37: Modulation Scheme vs. Data Rate....................................................124
Table 38: Availability Versus Outage Time .......................................................126

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LIST OF FIGURES
Figure 1: AN-100 System: Terminal, Transceiver, and Antenna.........................15
Figure 2: PTP Deployment..................................................................................22
Figure 3: PMP Deployment.................................................................................22
Figure 4: Line of Sight / Non-Line of Sight Deployment......................................23
Figure 5: Channelization .....................................................................................24
Figure 6: Sectorization ........................................................................................25
Figure 7: Front Panel...........................................................................................27
Figure 8: Front Panel Wireless Section...............................................................27
Figure 9: Front Panel Ethernet LEDs and RJ-45 Ports.......................................29
Figure 10: System LEDs and Reset Switch ........................................................30
Figure 11: Transceiver and Antenna...................................................................32
Figure 12: Antenna Mounting Locations..............................................................37
Figure 13: AN-100 Terminal................................................................................41
Figure 14: Connecting Host Computer to AN-100...............................................43
Figure 15: Browser Address Field (sector controller default shown)...................43
Figure 16: Sector Controller Login Dialog Screen...............................................44
Figure 17: Brackets and Antenna Assembly.......................................................48
Figure 18 Transceiver/Antenna Mountings .........................................................49
Figure 19: Antenna Polarization..........................................................................49
Figure 20 Waterproofing Outdoors Connections.................................................50
Figure 21: Sector Controller (SC) On-Screen Menu ...........................................53
Figure 22: Sector Controller - General Information Screen.................................55
Figure 23: Sector Controller - Subscriber Station Information Screen................57
Figure 24: Sector Controller - SS Service Flow Statistics Screen.......................58
Figure 25: Sector Controller - Event Log Screen ................................................59
Figure 26: Sector Controller - Ethernet Statistics Screen....................................60
Figure 27: Sector Controller - Static Configuration Screen.................................62
Figure 28: Channel Frequency Formula..............................................................63
Figure 29: Sector Controller - Burst Profile Settings ...........................................64
Figure 30: Sector Controller - RF/PHY/MAC Control Buttons............................65
Figure 31: Sector Controller - Network Settings Screen .....................................67
Figure 32: Sector Controller - Network SNMPv1 Settings Screen......................69
Figure 33: Sector Controller - Network SNMPv3 Settings Screen......................69
Figure 34: Subscriber Station - Software Upgrade Screen.................................71
Figure 35: Sector Controller - System Password Screen....................................72
Figure 36: Subscriber Station (SS) - On-Screen Menu.......................................73
Figure 37: Subscriber Station - General Information Screen ..............................75
Figure 38: Subscriber Station - Status Screen....................................................77
Figure 39: Subscriber Station - Statistics Screen................................................79
Figure 40: Subscriber Station - Event Log Screen..............................................80
Figure 41: Subscriber Station - MAC/RF/PHY Configuration Screen..................81
Figure 42: Channel Frequency Formula..............................................................82
Figure 43: Subscriber Station - Service Flow Setup Screen...............................85

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Figure 44: Subscriber Station - Service Flow Address Configuration Screen.....86
Figure 45: Subscriber Station - Software Upgrade Screen.................................88
Figure 46: Subscriber Station - Network Settings Screen - Local View ..............89
Figure 47: Subscriber Station - Network Settings Screen - Remote View ..........91
Figure 48: AN-100 Front Panel ...........................................................................93
Figure 49: Fuse Holder........................................................................................94
Figure 50: RedAccess Main Screen..................................................................105
Figure 51: RedAccess World View Screen .......................................................106
Figure 52: IF Cable Assembly Drawing.............................................................110
Figure 53: R-35 Subscriber Station Radio - Dimensions - 1 of 2 ......................112
Figure 54: R-35 Subscriber Station Radio - Dimensions - 2 of 2 ......................112
Figure 55: R-35 Sector Controller Radio - Dimensions - 1 of 2.........................113
Figure 56: R-35 Sector Controller - Radio Dimensions - 2 of 2.........................113
Figure 57: Link Budget Tool Screen..................................................................123
Figure 58: Fresnel Zone Obstruction.................................................................124
Figure 59: Fresnel Zone Calculation.................................................................125
Figure 60: Fresnel Zone Radius........................................................................125
Figure 61: Horizon Distance Calculation...........................................................126
Figure 62: Deployment Scenarios.....................................................................127

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Chapter
1
1
1 I Im mp po or rt ta an nt t S Sa af fe et ty y & & S Se er rv vi ic ce e
N
No ot ti ic ce es s
1.1 Safety Warnings
1. Read this User Manual and follow all operating and safety instructions.
2. Keep all product information for future reference.
3. This product is supplied with a grounding power plug. Do not defeat this
important safety feature.
4. The power requirements are indicated on the product-marking label. Do not
exceed the described limits.
5. Always replace the fuse with the correct type and current rating.
6. Position the power cord to avoid possible damage, and do not overload wall
outlets.
7. Do not place this product on or near a direct heat source, and avoid placing
objects on the terminal.
8. Do not operate this device near water or in a wet location.
9. Use only a damp cloth for cleaning. Do not use liquid or aerosol cleaners.
Disconnect the power before cleaning.
10. Protect the unit by disconnecting the power if it is not used for long periods.
11. Locate the terminal on a stable horizontal surface or mount it securely in a 19
Telco rack.
12. The Radio Transceiver units must not be located near power lines or other
electrical power circuits.
13. 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. It is
recommended that the installation of the transceiver be contracted to a
professional installer.

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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 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 will void 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. Also record the MAC address, located on the
back of the terminal.
1.4 UL Information
1. Caution for all AC and DC models - Double pole/neutral fusing.
2. The DC source must be fused at Time Delay 2.5A, 250V.
3. The DC input wiring must be 18 AWG minimum.
4. The DC input source must be SELV.
5. The DC input source must comply with local electrical codes.
1.5 CE Information
This product complies with CE regulations.

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1.6 Lightning Protection
WARNING: The following notes are general recommendations for the installing
the wireless system. The wireless equipment must be installed by properly
qualified personnel and follow local and national codes for electrical grounding
and safety. Failure to meet safety requirements and/or use of non-standard
practices and procedures could result in personal injury and damage to
equipment. A direct lightning strike may cause serious damage even if all
guidelines are followed.
All outdoor wireless equipment is susceptible to lightning damage from a direct
hit or induced current from a near strike. Lightning protection and grounding
practices in local and national electrical codes serve to minimize equipment
damage, service outages, and serious injury. Reasons for lightning damage are
summarized as:
- Poorly grounded tower/antenna sites that can conduct high lightning strike
energy into equipment.
- Lack of properly installed lightning protection equipment that can cause
equipment failures from lightning induced currents.
A lightning protection system does not prevent lightning from striking; it provides
a means for controlling it and preventing damage by providing a low resistance
path for the discharge of energy to travel safely to ground. Improperly grounded
connections are also a source of noise that can cause sensitive equipment to
malfunction.
A good tower grounding system disperses most of the surge energy from a tower
strike away from the building and equipment. The remaining energy on the IF
cable shield and center conductor can be directed safely to ground by using a
lightning arrestor in series with the IF cable.
To limit the equipment damage due to a lightning strike, the following practices
are recommended for the wireless system:
- Provide direct grounding from the antenna mounting bracket, the radio and
antenna and the lightning arrestors to the same ground point at the base of the
tower or a ground bus on the building. Use the grounding screws on the
antenna bracket and the radio and antenna for terminating the ground wires.
- Install one RF lightning protector between the radio and antenna, in series with
the RF cable.
- A lightning arrestor in series with the IF cable at the point of entry to the
building.
- Install a lightning arrestor in series with the IF cable at the transceiver on the
tower/mast.
- The AC wall outlet ground for the terminal must be connected to the same
grounding system as the radio and antenna lightning protectors.
- The ground connection on the back of the terminal must be properly connected
to the common electrical ground for the building.

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1.7 Product Information
Use the following table to record important system information:
Product Information
Terminal SN: MAC Address
Transceiver SN: Model #:
Antenna Model No.: Antenna SN:
Serial Number Stickers

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Chapter
2
2
2 G Ge et tt ti in ng g S St ta ar rt te ed d
Congratulations on your purchase of the Redline Communications Access Node-
100 wireless broadband system. The AN-100 system is a carrier class high-speed
IEEE 802.16a compliant wireless switch for PTP and PMP deployment.
Redline Communications is a world leader in design and production of Broadband
Fixed Wireless (BFW) systems.
Figure 1: AN-100 System: Terminal, Transceiver, and Antenna
The AN-100 system consists of a terminal and outdoor radio (transceiver and
antenna). Each operational AN-100 PMP network is comprised of a sector
controller (SC) and one or more subscriber stations (SS).
The AN-100 sector controller may be connected to a primary Ethernet network
and establishes bi-directional data links with up to two hundred and fifty AN-100
subscriber stations. The AN-100 subscriber station may be connected to a remote
Ethernet network and establishes a bi-directional data link with a designated AN-
100 sector controller.

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2.1 How To Use This Manual
This user manual provides a complete guide to operating your AN-100 system. It
contains an overview of the product, and systematic installation procedures to
help insure a successful installation. Please review the important safety and
service information (section 1: Important Safety & Service Notices on page 11).
1. Review the Site Survey plan
(section 5.2.1: Site Path Survey on page 36).
2. Unpack the AN-100 system
(section 5.1: Unpacking the AN-100 System on page 35).
3. Install and configure the AN-100 terminal
(section 5.3: Installing the AN-100 terminal on page 41).
4. Install the outdoor radio (transceiver and antenna)
(section 5.4: Installing the Transceiver and Antenna on page 48 ).
5. Align the antenna
(section 5.5: Antenna Alignment on page 51).
Plus additional operational and background information:
- System Specifications
- Glossary
- Link Budget Tool
- Deployment Scenarios
2.2 System Capabilities
System Capability: Line-of-sight, Non-line-of-sight, PMP and PTP.
RF Band: 3.4-3.5 GHz (FWA Band)
Center Frequency Step: 250 KHz
Channel Size: 3.5 MHz and 7 MHz (Tx3435T7)
7 MHz (Tx3435T14)
PTP Pass-through: Transparent bi-directional transport of user traffic.
Bypasses classification process.
RF Dynamic Range: > 50 dB
Spectral Efficiency: ~5 bps/Hz
Power: Redundant AC/AC, AC/DC, DC/DC
Radio: Time Division Duplexing (TDD)
Data Rate: Ethernet throughput to 18 Mbps (7 Mhz chan)
Range: Over to 70 km / 42 miles Line-of-Sight
Over to 6.5 km / 4 miles Non Line-of-Sight

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2.3 Terms Used in this Manual
The following system terms are used in this manual:
Table 1: Terms
Term Description
AN-100
Terminal
Indoor unit
AN-100
System
AN-100
Radio
Transceiver + Antenna
Sector Controller
(SC) The AN-100 terminal configured as central equipment. This is part of the 802.16 definition of a Base Station. A sector controller
functions as a central hub or concentrator, connected to a WAN
network access point, and managing wireless links for up to 250
subscriber stations. The sector controller enforces QoS settings
for each service flow by controlling all uplink and downlink traffic
scheduling -- providing non-contention based traffic with
predictable transmission characteristics.
Subscriber Station
(SS) The AN-100 terminal configured as remote location equipment. This is the 802.16 definition of a Subscriber Station. The AN-100
subscriber station may be connected to a remote Ethernet
network and establishes a bi-directional data link with a
designated AN-100 sector controller.

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Chapter
3
3
3 A AN N- -1 10 00 0 S Sy ys st te em m O Ov ve er rv vi ie ew w
This section briefly describes the main features of the AN-100 system.
3.1 IEEE 802.16a Compliance
The AN-100 system is a carrier class high-speed IEEE 802.16a compliant
wireless switch for PTP and PMP for LOS and NLOS deployment.
The IEEE 802.16 Air Interface Specification describes a PMP broadband wireless
access standard for systems operating in the frequency range of 2-11 GHz, and
10-66 GHz. This standard includes descriptions for both the Media Access
Control (MAC) and the physical (PHY) layers. Note that the 802.16 standard is
subject to amendment, and the AN-100 product design compliance will apply to a
specific revision of the standard. The AN-100 product does not support mesh
communication (direct subscriber-to-subscriber).
3.1.1 WiMax Interoperability
The AN-100 system is designed to meet the interoperability profiles being
established by WiMax for 2-11 GHz operation. The WiMAX forum
(http://www.wimaxforum.org) promotes deployment of broadband wireless
access networks by using global standards and certifying interoperability of
products and technologies. These interoperability standards will not be available
until additional 802.16 wireless products are introduced to the marketplace.
3.1.2 PHY Specification
The AN-100 system is designed for 2-11 GHz operation based on the
WirelessMAN-OFDM PHY definition in the IEEE 802.16 specification. Release
R1.1 operates in the 3.4-3.5 GHz frequency range.
3.1.3 OFDM (256 FFT)
The AN-100 uses Orthogonal Frequency Division Multiplexing (OFDM). OFDM
is a multi-carrier transmission technique where the data stream is split and
transmitted (at a reduced rate) in parallel streams on separate sub-carriers. OFDM
uses the Fast Fourier Transform (FFT) algorithm to implement modulation and
demodulation functions. Using adequate channel coding and bit-interleaving,
OFDM can perform very well in severe multipath environments, mitigate
frequency selective fading and provide high spectral efficiency.

AN-100
user manual
70-00031-01-01 Page 20 of 128 May 2004
3.2 Dynamic Adaptation
The AN-100 evaluates link conditions on a burst-by-burst basis. Transmission
settings are adjusted independently for each burst to a subscriber station. This
maintains the highest possible data rate for current link conditions (half-loss,
interference, seasonal foliage changes). The AN-100 dynamic adaptation feature
is based on CINR (Carrier/Interference + Noise).
3.2.1 Time Division Duplexing (TDD)
The AN-100 system uses time division duplexing (TDD) to transmit and receive
on the same RF channel. This is a non-contention based method for deploying an
efficient and predictable two-way PTP or PMP cell deployment.
All uplink and downlink transmission scheduling is managed by the sector
controller. The sector controller sends data traffic to subscriber stations, polls for
grant requests, and sends grant acknowledgements based on the aggregate of
traffic to all subscriber stations. The user can specify the ratio of uplink/downlink
traffic. When the Frame Profile is set to Adaptive downlink (DL) and uplink (UL)
time, the sector controller will adjust the ratio of downlink versus uplink traffic to
reflect the current requirements (future release).
3.2.2 Adaptive Coding
Within each burst, data transmitted over the air is padded with redundant
information to make it more resistant to errors introduced by interference. The
ratio of actual user data to the total data is called the coding rate. The AN-100
supports coding rates of 1/2, 2/3, and 3/4. The coding rate selection may be
modified for every burst, based on the current CINR.
3.2.3 Adaptive Modulation
The modulation technique specifies how the data is coded in carriers that compose
OFDM symbols. The AN-100 supports QPSK, QAM16, and QAM64 modulation
techniques. The modulation selection may be modified for every burst, based on
the current CINR.
3.2.4 Automatic Repeat Request (ARQ)
The ARQ mechanism provides automatic retransmission of unacknowledged data.
3.2.5 Reed Solomon Error Correction
Reed Solomon forward error correction is enabled for all traffic.
Reed-Solomon codes are used to correct bursts of errors in received messages
(lowering the rate of retransmissions).
3.2.6 Satellite Clock Time Synchronization
The Terminal internal clock can be synchronized using a one pps signal from a
GPS clock (future release). These ports are only installed on the sector controller
terminal.