Tranzeo Wireless Technologies FM58JD24UY 5.8 GHz WIRELESS BASE STATION User Manual Quick Configuration Guide

Tranzeo Wireless Technologies, Inc 5.8 GHz WIRELESS BASE STATION Quick Configuration Guide

Quick Configuration Guide

i AirSync 2.2 Quick Configuration Guide – Tranzeo pBS Tranzeo WiMAX Pico Base Station and Subscriber Unit Quick Configuration Guide Copyright © 2008 Tranzeo Wireless Technologies ALL RIGHTS RESERVED Notice: No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or stored in a database or retrieval system for any purpose without the express written permission of Tranzeo. Tranzeo reserves the right to make changes to this document at any time without notice and assumes no responsibility for its use. Proximetry and Airsync are trademarks of Proximetry, Inc., in the USA and other countries. Windows is a registered trademarksof Microsoft Corporation. All other brand or product names are or may be trademarks or service marks of and are used to identify products or services of their respective owners.
WiMAX Quick Configuration Guide ii Table of Contents PREFACE ............................................................................................3 Document Revision Level ......................................................................................................... 3 Document Conventions............................................................................................................4 QUICK CONFIGURATION....................................................................6 1.1 Configuration Checklist..................................................................................................6 1.2 Step 1: Configure the Pico Base Station .........................................................................6 1.3 Step 2: Configure the Subscriber Unit............................................................................ 8 1.3.1 Log in to the Configurator ................................................................................................. 9 1.3.2 Specify Wireless Settings................................................................................................. 10 1.3.3 Specify Network Setup Settings....................................................................................... 14 1.4 Step 3: Configure the Subscriber Unit in AirConsole .................................................... 15 1.5 Step 4: Test the Subscriber Unit Connectivity .............................................................. 20 1.6 Step 5: Monitor the Network....................................................................................... 25
AirSync 2.2 Quick Configuration Guide – Tranzeo pBS 3 Preface This guide provides all the information you need to configure the Tranzeo Pico Base Station (pBS) and TR-WMX WiMAX Subscriber Unit to enable end-to-end WiMAX connectivity using AirSync. If you prefer detailed instructions, please refer to the Proximetry AirSync Practical User’s Guide. The following figure shows an example of a configuration where the Subscriber Unit is connected to the uplink (WAN) interface on an Ethernet router, hub, or switch. In this configuration, the Subscriber Unit communicates wirelessly with a Base Station using its WiMAX interface, while communicating at 10/100 Mbps with the attached Ethernet device. The Subscriber Unit also receives its power from the Ethernet connection, eliminating the need to run a power cable to the Subscriber Unit. In this way, the Ethernet device serves as the bridge between the attached computers and the Subscriber Unit. This device has been designed to operate with the antennas listed below, and having a maximum gain of 32 dBi. Antennas not included in this list or having a gain greater than 32 dBi are strictly prohibited for use with this device. The required antenna impedance is 50 ohms.
WiMAX Quick Configuration Guide 4 This device has been designed to operate with the antennas listed below, and having a maximum gain of 32 dBi. Antennas not included in this list or having a gain greater than 32 dBi are strictly prohibited for use with this device. The required antenna impedance is 50 ohms. Model Number Included Antennas TR-HTQ-5.8-12 Vertical Omni, 5.8 Ghz, 12 dBi TR-58V-60-17 Vertical Sector, 5.8 Ghz, 60 degree, 17 dBi TDJ-5800SPL9 Grid Antenna, 30 dBi TR-5X-Ant-24 Panel, 5.8 Ghz, 24 dBi Table 2 Supported Accessory antennas Document Revision Level Revision Date Description Version 1.0.0 October 2008 Preliminary Release Version 1.0.5 Dec. 2008 Updated, added compliance, 3.65GHz, & max RSSI Document Conventions This guide uses the following typographic conventions: Convention Description Bold Text on a window, other than the window title, including menus, menu options, buttons, and labels. Italic Variable. screen/code Text displayed or entered on screen or at the command prompt. boldface screen font Information you must enter is in boldface screen font. < italic screen > Variables appear in italic screen font between angle brackets. [ ] Default responses to system prompts are in square brackets.
WiMAX Quick Configuration Guide 5 This guide uses icons to draw your attention to certain information. Warnings are the most critical. Icon Meaning Description Note Notes call attention to important and/or additional information. Tip Tips provide helpful information, guidelines, or suggestions for performing tasks more effectively. Caution Cautions notify the user of adverse conditions and/or consequences (e.g., disruptive operations). WARNING Warnings notify the user of severe conditions and/or consequences (e.g., destructive operations).
WiMAX Quick Configuration Guide 6 Quick Configuration 1.1 Configuration Checklist The following checklist identifies the steps for configuring your WiMAX network. Please check each step as you complete it. Step 1: Configure the Pico Base Station. Step 2: Configure the Subscriber Unit. Step 3: Configure the Subscriber Unit in AirConsole. Step 4: Test the Subscriber Unit Connectivity. Step 5: Monitor the Network. 1.2 Step 1: Configure the Pico Base Station Before installing the Pico Base Station, use the following procedure to configure it. To configure the Pico Base Station, your PC’s IP address must be on the same subnet (192.168.0.xxx, where xxx is a number from 1 to 253) as the Pico Base Station, and the PC’s netmask must be set to 255.255.255.0. The Pico Base Station is configured with a default 192.168.0.254 IP address common to all Pico Base Stations. Therefore, do not simultaneously connect multiple un-configured Pico Base Stations to a common Local Area Network (LAN) and try to access them using the 192.168.0.254 IP address. Prior to installing AirSync the “Bridge IP Address” of the Pico Base Station must be changed from 192.168.0.254 to an alternate value that matches the IP schema of your network if multiple Pico Base Stations will be managed by a single AirSync installation. 1. Use an Ethernet cable to connect the Ethernet port labeled PC on the PoE adapter to a network-interface card (NIC) in a PC or network hub. Then connect the other Ethernet port on the PoE adapter to the Pico Base Station.
WiMAX Quick Configuration Guide 7 2. Launch a Web browser on a computer that is on the same subnet (192.168.0.nnn) as the Pico Base Station. 3. In the address bar, type http://192.168.0.254 and click the Go button in your browser. The default username is admin and the default password is default. After you login, the Base Station Information Page appears. Figure 1. Base Station information page. 4. In the left pane, under Administration, click Initial configuration. The Initial Base Station Configuration page appears.
WiMAX Quick Configuration Guide 8 Figure 2. Initial Base Station configuration page. 5. Change the Bridge IP Address to match the IP address schema of your network. The IP address must be on the same subnet as the AirSync server. 6. Complete the remaining fields on the screen. The Frequency [khz] and Channel bandwidth [MHz] settings must match the settings that you will configure later for the Subscriber Unit. 7. When finished, click Apply to save your settings. The Saving Settings screen appears, with a Reboot button for rebooting the Pico Base Station. You must reboot to apply your settings. 1.3 Step 2: Configure the Subscriber Unit After configuring the Pico Base Station, use the procedures in the following sections to configure the Subscriber Unit.
WiMAX Quick Configuration Guide 9 1.3.1 Log in to the Configurator Your Subscriber Unit provides a Web-based Configurator for performing advanced configuration activities. After you install your Subscriber Unit, use the following procedure to launch the Configurator. 1. Use an Ethernet cable to connect the Ethernet port labeled PC on the PoE adapter to a network-interface card (NIC) in a PC or network hub. Then connect the other Ethernet port on the PoE adapter to the Subscriber Unit. The Subscriber Unit’s Ethernet port is equipped with an auto-sensing Ethernet port that allows both regular and cross-over cables to be used. 2. Start your Web browser and point it to one of the following default IP addresses: http://192.168.101.151 or http://192.168.0.1. The Login page in Figure 3 appears, with your cursor in the User name field. The default IP address is the same for all TR-WMX subscriber units. Therefore, do not simultaneously connect multiple unconfigured TR-WMX subscriber units to a common Local Area Network (LAN) and try to access them using the default IP address. To connect to the Configurator, your PC’s IP address must be on the same subnet (192.168.101.xxx, where xxx is a number from 1 to 253) as the Subscriber Unit, and the PC’s netmask must be set to 255.255.255.0. Figure 3. Login page. 3. Enter the default username admin and default case-sensitive password default in the appropriate fields.
WiMAX Quick Configuration Guide 10 For security, every typed password character appears as a bullet (•). For additional security, we recommend you change the default password in the Administrative Settings screen. 4. Click the OK button to log in. The Information Page appears (see Figure 4). This read-only page displays network, wireless and device information about your installation. Figure 4. Information page. 1.3.2 Specify Wireless Settings After logging in to the Configurator, use the following procedure to set the Subscriber Unit’s wireless settings. The default configuration settings for most parameters should work well for the majority of installations. Only those settings that should be confirmed or adjusted as part of the quick-configuration instructions are described in this section. 1. In the left pane, under WiMAX Setup, click Wireless. The Wireless Settings page appears (see Figure 5). 2. Set the three groups of parameters as indicated in Figure 5. 3. 4. Table 1 and Figure 5. These values must match the ones you entered for the Pico Base Station.
WiMAX Quick Configuration Guide 11 5. Click the Apply button. A page tells you that your configuration changes have been saved, but will not be applied until you reboot the Subscriber Unit. 6. Do not reboot the Subscriber Unit at this time. Instead, proceed to “Specify Network Setup Settings” on page 14. Figure 5. Wireless Settings page.
WiMAX Quick Configuration Guide 12 Table 1. Wireless Settings Parameter Choose This Setting Group  Parameters in Figure 5 Channel Bandwidth (MHz) For the 3.5GHz pBS operation select 3.5MHz or 7MHz (default), whichever best suits your application’s bandwidth needs and is allowed by your license. The Pico Base Station must be set to the same bandwidth. For the 3.65GHz pBS operation select 3.5MHz or 7MHz (default). For the 5.8GHz pBS operation the default channel bandwidth is 10MHz. Secondary Management Connection Support Confirm that the default setting (Secondary Management) is disabled. If not, select No Secondary Management. Initial Ranging Burst Inverting Confirm that the default setting (Software Auto) is selected. If not, select it. Adaptive Modulation (DBPC) Confirm that the default setting (Auto using CINR thresholds) is selected. If not, select it. Frequency (KHz) Sets the frequency, in kHz. For 3.5GHz operation the SU range is 3300000 – 3600000 in increments of 250kHz. Default is 3525000 (3.525 GHz). Since the pBS supports frequencies from 3400000-3600000, only use frequencies in that range. For 3.65GHz operation the range is 3650000 – 3675000 in increments of 250kHz, only use frequencies in that range. For 5.8GHz operation the range is 5725000 – 5850000 in increments of 500KHz. Since the pBS supports frequencies from 5740000-5830000, only use frequencies in that range. Initial Delay Correction Value Confirm that a default setting of 0 is selected. If not, select it. This parameter may be adjusted over a range of 0 to 1000, and in conducted tests may need to be set to 1000 to support 7MHz channels. Max TX Power (dBm) The Max Tx Power value cannot exceed 20dBm. Default setting is 20. When setting the Max Tx Power value, do not exceed the max EIRP allowed by your license. When adding the values for Tx Antenna Gain and Max Tx Power, the sum of these values must equal or be less than the max EIRP that your license allows. Min Tx Power (dBm) Confirm that the default setting (-10) is selected. If not, select it.
WiMAX Quick Configuration Guide 13 Parameter Choose This Setting Rx Antenna Gain (1/4dB step) Confirm that the default setting (0) is selected. If not, select it. This can be adjusted to match the gain of the antenna used, however the default setting of 0 will enable connectivity in all cases. Tx Antenna Gain (1/4dB step) Confirm that the default setting (0) is selected. If not, select it. This can be adjusted to match the gain of the antenna used, however the default setting of 0 will enable connectivity in all cases. The SS uses the same antenna for Tx and Rx. Group  Parameters in Figure 5 For Least Robust DIUC as LSB/MSB and DCD CCC as MSB/LSB Confirm that the default setting (Enable) is selected. If not, select it. MAC Message Strict Checking Confirm that the default setting (Disable) is selected. If not, select it. Pack Enable for Primary CID Confirm that the default setting (Enable) is selected. If not, select it. Fragment Enable for Primary CID Confirm that the default setting (Enable) is selected. If not, select it. Tx Overrun Fix Confirm that the default setting (Disable) is selected. If not, select it. QoS Admitted Bit Confirm that the default setting (Disable) is selected. If not, select it. QoS Tx Policy Checking Confirm that the default setting (Disable) is selected. If not, select it. Enable 0 Symbol HDD Patch Confirm that the default setting (Disable) is selected. If not, select it. AFS mode Confirm that the default setting (Disable) is selected. If not, select it. Group  Parameters in Figure 5 BSID and Mask Use the standard format for MAC addresses (six 2-digit hexadecimal numbers separated by colons) to enter the Pico Base Station ID. Example: “12:34:56:78:9a:bc”. You can enter up to 8 Pico Base Station addresses, separating each by pressing the Enter key. To match a range of BSIDs, in the mask field use 0 to allow any or f in the digit corresponding to the BSID value to match. To match any BSID, utilize a setting of all zeros for both the BSID and Mask: "00:00:00:00:00:00 00:00:00:00:00:00".
WiMAX Quick Configuration Guide 14 1.3.3 Specify Network Setup Settings After specifying wireless settings, use the following procedure to specify the network setup settings. 1. In the left pane, under Network Setup, click TCP/IP. The TCP/IP Settings page appears (see Figure 6). 2. When the Subscriber Unit is set to unmanaged mode (No Secondary Management set on the Wireless page) the IP Mode will be displayed as static on the TCP/IP page. Confirm IP mode is static and set the parameters in Table 2 (these parameters are highlighted in orange in Figure 6). Otherwise, skip to step 3 on the next page. Figure 6. TCP IP Settings page. Table 2. TCP/IP Settings Parameter Choose This Setting Wireless Management IP Address Secondary management mode: This value is set automatically and the field is unavailable. Unmanaged mode: Set this parameter to an unused value in the subnet to which the Pico Base Station is connected. Wireless Management Net Mask Secondary management mode: This value is set automatically and the field is unavailable. Unmanaged mode: Set this value to match that of the subnet to which the Pico Base Station is connected. Management Route Gateway Secondary managed mode: This value is set automatically and the field is unavailable.
WiMAX Quick Configuration Guide 15 Parameter Choose This Setting Unmanaged mode: Set this value to be the router on the subnet to which the Pico Base Station is connected. 3. Click the Apply button. When the next page appears, click the Reboot button to reboot the Subscriber Unit and put your saved settings into effect. Rebooting disconnects the Subscriber Unit and any connections currently running. It may take 60 seconds before the Subscriber Unit is running and accessible again. The Status LED flashes while the unit reboots and goes ON when the unit completes the reboot process. 1.4 Step 3: Configure the Subscriber Unit in AirConsole To configure the Subscriber Unit in AirConsole: 1. Using the server where AirSync and AirConsole have been installed, click the Windows Start button, point to All Programs, point to AirSync, point to AirConsole, and click AirConsole. 2. Once the AirSync Management Console window appears, go to Manage menu and then click Devices. On the Devices tab, click Details, this will show the details pane on the right side of the Pico Base Station. After a few minutes, the Pico Base Station should register with AirSync automatically. 3. In the right pane, click the Connections tab. Connection information for the selected Pico Base Station appears. Question marks mean the detected Subscriber Unit has not been added to the AirSync server; if this happens, do not worry, as you will add the device later in this procedure. If the Subscriber Unit does not appear in the connections tab under the Base Station after a few minutes, the link timing may require adjustment. The default settings described above enable connectivity for wireless links. However, for conducted testing two parameters may need to be adjusted. First adjust the “Magic wavesat synchronization parameter” available through Interfaces tab in AirConsole for the Base Station’s bs_ofdm0 interface using the RNG_GRP sub-tab. Use values ranging from 236-690, then click Send to adjust these on the Base Station. Values of 236, 536, and 583 for this parameter are appropriate for conducted tests with respective channel bandwidths of 3.5MHz, 7MHz, and 10MHz. Keep in mind adjusting this parameter will cause the Base Station to reboot. Second, adjust the “Initial Delay Correction Value” through the Subscriber Unit Wireless Settings web page, and reboot the CPE to apply this change. Use values ranging from 0-1000, with a value of 120 for this parameter appropriate for conducted testing. If all Subscriber Units do not appear in the connections tab under the Base Station after a few minutes, or if they are passing data with low throughput the link margin the pBS expects may need adjustment. The pBS default settings enable connectivity for many wireless links. However, for low margin links or to support
WiMAX Quick Configuration Guide 16 multiple CPEs the “Max. initial ranging RSSI (dBm)” setting may need to be reduced. This setting is available in the interfaces tab in AirConsole for the Base Station’s bs_ofdm0 interface using the RNG_GRP sub-tab. Using your link budget, calculate a reasonable maximum (about 5dB above your best link) and enter this value in dBm. For example for short links anticipated at the highest throughput a value of -65dBm (the default of -60dBm) may be appropriate. The Max. initial ranging RSSI (dBm)” is used by the pBS to dynamically adjust each CPE transmit power to balance the received energy in the pBS for each frame. Figure 7. AirSync Management Console Window. 4. Record the Subscriber Unit’s MAC address shown and the serial number included with the Subscriber Unit. You will need them later when you configure the Subscriber Unit. MAC Address (shown in screen above): ____________________ Serial Number (included in the Subscriber Unit box): __________ 5. At the AirSync Management Console, click Add Device. The Device Details tab appears on the right.
WiMAX Quick Configuration Guide 17 Figure 8. Device Details tab. 6. Complete the fields in the Device Details tab and click Save. Table 3. Fields in the Device Details Tab Parameter Description Name Enter a meaningful name for the Subscriber Unit (e.g., the location where the Subscriber Unit will be installed). Device Type Select Tranzeo TR-WMX or appropriate device. Serial Number Enter the Subscriber Unit serial number recorded on Step 3. Uuid Enter a unique UUID number. GPS Optional: Enter the altitude, latitude, and longitude where the Subscriber Unit will be installed. Configuration Management Accept the default setting. Remote Access IP Address = enter the Subscriber Unit’s IP address. A configuration graphical user interface (GUI) is available at the IP address using the default username admin and default password default. The Subscriber Unit must be set to the proper frequency and channel bandwidth to connect to the Pico Base Station using the subscriber station’s Web-based GUI. The frequency and the channel bandwidth must match the values entered before for the Pico Base Station.
WiMAX Quick Configuration Guide 18 7. When a message prompts you to add a primary interface for this Subscriber Unit, click OK. The Device Interface Details tab appears. Figure 9. Device Interface Details tab. 8. Complete the fields in the Device Interface Details tab and click Save.
WiMAX Quick Configuration Guide 19 Table 4. Fields in the Device Interface Details Tab Remember that Tranzeo Subscriber Units are not managed by AirSync. Therefore, manually assigned IP Addresses must be entered in the IP Address field. Parameter Description Interface Type Select WiMax. Once you select and Interface type the physical interface will be active. The default ofdm0 is fine. DHCP Check to have AirSync fill up this information automatically. This option only works if AirSync manages the device. Since the Subscriber Unit device is not managed by AirSync please do not check this box. Instead manually enter the static IP address to be used in the IP Address field. IP Address Enter a static IP address for the Subscriber Unit. Only available when DHCP is not checked. Mac Enter the Subscriber Unit MAC address using a : separated format (Aa:Bb:Cc:Dd:Ee:Ff:00). Group Add the Subscriber Unit to the group Default. The Subscriber Unit will inherits permissions from the group if the Inherit Priority checkbox is selected.
WiMAX Quick Configuration Guide 20 1.5 Step 4: Test the Subscriber Unit Connectivity To test the Subscriber Unit connectivity, perform the following procedure. 1. Using the computer connected to the Subscriber Unit, confirm that the subscriber’s computer can access the LAN resource and any desired destination (e.g., the Internet). The subscriber’s computer must be configured with the same subnet as the Subscriber Unit and a default gateway that matches the Subscriber Unit IP address. Figure 10. An example of a typical network configuration. 2. If the LAN resources cannot be accessed, click the Devices tab, select the Pico Base Station device, and verify that the device has no warning triangle and that all the rows appear in white in the Interfaces tab in the right pane. If the Subscriber Unit appears in red, the link between the Pico Base Station and Subscriber Unit is down. If this is the case then check the Configuration tab under Manage, Device Interfaces and select the bs_ofdm0 device interface to confirm that the frequency and bandwidth are set up properly in the Pico Base Station (RADIO_GRP sub-tab). Also confirm that the frequency and bandwidth are set up properly in the Subscriber Unit using the Subscriber Unit’s Web-based GUI. The Tranzeo pBS and SS each include a variety of configuration options that may be adjusted to enable wirless links to close. Specifically, the first parameter to check are verifying the link margin is sufficient for each SS and pBS link and adjust the “Max. initial ranging RSSI (dBm)” and the “Transmit Power (dBm)” on the pBS if needed. Second, if confident of a sufficient link margin, different channel bandwidth selections may require adjusting the
WiMAX Quick Configuration Guide 21 Magic Wavesat Synch parameter on the pBS and the Initial Delay Correction Value on the SS. Figure 11. Configuration subtab on Device Interfaces Details tab. The figure above shows the default values to configure the Pico Base Station to be connected to a single Subscriber Unit. If you wish to connect more than one Subscriber Unit please modify the Frame Length to 10 or 20 ms. 10ms is the recommended value. Although the latency will increase compared to 5ms frames, the supported throughput will increase. In addition, change the Minimum Size of First Burst value under the MAC_GRP tab. The recommended burst size values are shown below in Table 5: Minimum Size of First Burst for multiple Subscriber Units. Table 5: Minimum Size of First Burst for multiple Subscriber Units. Number of Subscriber Units Minimum Size of First Burst 1 25 2 27 3 28 4 30 5 31 6 33
WiMAX Quick Configuration Guide 22 7 34 8 36 9 37 10 39 11 40 12 42 13 43 14 45 15 46 16 48 17 49 18 51 19 52 20 54 21 55 22 57 23 58 24 60 25 61 26 63 27 64 28 66 29 67 30 69 31 70 3. From the Devices tab, click the Pico Base Station row in the left pane on which the device name appears. Then, in the right pane, click the Connections tab. 4. In the Connections tab, click the Subscriber Unit. If the row appears in white, as in the following example, you will see the services flow assigned to the Subscriber Unit.
WiMAX Quick Configuration Guide 23 Figure 12. Connections subtab on Devices tab. If there are no services flows, check that the Subscriber Unit is assigned properly to the group called Default. To do so, click the Devices tab in the left pane; then, in the Devices tab on the left, right-click the subscriber station whose group you want to confirm and select Show Interfaces from the shortcut menu. In the right pane, click Edit and use the Group drop-down list to select the appropriate group.
WiMAX Quick Configuration Guide 24 Figure 13. Device Interfaces details tab.
WiMAX Quick Configuration Guide 25 1.6 Step 5: Monitor the Network After confirming that the subscriber’s computer can access the LAN resources, use the following procedure to monitor the network. 1. In the Devices tab, right-click the Subscriber Unit and choose Show Statistics from the shortcut menu. A box appears with statistics for monitoring the network. Figure 14. Statistics tab. 2. Using the statistics box, edit the parameters and see the real-time performance results of the Subscriber Unit. The AirSync Server icons indicate the status of each device. For example:  = the device does not have a working agent.  = the device is down and the AirSync Server cannot ping it. Congratulations! You have now completed the configuration for the Tranzeo TR-WMX WiMAX Subscriber Unit and attaching it to the Pico Base Station. For more information, please visit www.tranzeo.com.
WiMAX Quick Configuration Guide 26 Compliance Information FCC Information This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for Class B Digital Device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures. Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio/TV technician for help To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (EIRP) is not more than that required for successful communication. Any changes or modification to said product not expressly approved by Tranzeo Wireless Technologies Inc. could void the user's authority to operate this device.
WiMAX Quick Configuration Guide 27 Industry Canada Information Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. For safety reasons, people should not work in a situation where RF exposure limits could be exceeded. To prevent this situation, the users should consider the following rules: Install the antenna so that there is a minimum of 123.6 cm (48.7 in) of distance between the antenna and people. Do not turn on power to the device while installing the antenna. Do not connect the antenna while the device is in operation. Do not co-locate or operate the antenna used with the device in conjunction with any other antenna or transmitter. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that permitted for successful communication. The product requires professional installation. Professional installers must ensure that the equipment is installed following local regulations and safety codes.

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