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Chapter 3 Testing

WiFi Troubleshooting

WiFi Advisor Wireless LAN Analyzer User’s Guide

Page 20

22073751, Rev. 002

December 2014

shown in

Figure 8

Channel view

The Channel view, shown in

Figure 9

, shows utilization and noise per 802.11

channel in addition to co-channel or adjacent channel interferers. You can view the
best channels per band, best channels per channel width, or overall channel score.
This allows you to select the best channels available in the current environment.

Figure 8

Trend Graphs

Содержание ML-WFED-300AC

Страница 1: ...WiFi Advisor Wireless LAN Analyzer User s Guide...

Страница 2: ......

Страница 3: ...twork and Service Enablement 20250 Century Blvd Germantown Maryland 20874 USA Toll Free 1 855 ASK JDSU Tel 1 301 353 1560 Fax 1 240 404 1996 www jdsu com WiFi Advisor Wireless LAN Analyzer User s Guid...

Страница 4: ...reproduced or transmitted electronically or otherwise without written permission of the publisher Copyright release Reproduction and distribution of this guide is authorized for Government purposes o...

Страница 5: ...d in accordance with the instruction manual may cause harmful interference to radio communications Operation of this product in a residential area is likely to cause harmful interference in which case...

Страница 6: ...conforme l exposition aux rayonnements Industry Canada limites tablies pour un environnement non contr l i the device for operation in the band 5150 5250 MHz is only for indoor use to reduce the pote...

Страница 7: ...orms to the EMC Directive 89 336 EEC as amended by 92 31 EEC and 93 68 EEC for electromagnetic compatibility A copy of the Declaration of Conformity is provided in printed form with the instrument Low...

Страница 8: ...and batteries to JDSU for appropriate disposal If the equipment or battery was imported by a reseller whose name or logo is marked on the equipment or battery then the owner should return the equipmen...

Страница 9: ...iFi Advisor Overview 1 About the Wireless LAN Analyzer 2 Architecture 2 About the WiFi Advisor 3 Features and capabilities 3 Quick tour 4 Top view 4 Front view 6 Back view 7 About the WiFi Advisor app...

Страница 10: ...on 28 Step 4 Specifying the AP and Station Location 30 Assessing an installation site 30 Interpreting Site Assessment results 32 Viewing Location Results 35 Managing jobs 35 Creating a new job in Job...

Страница 11: ...vices and Support 55 About our services 56 Standard support services 56 Instrument repair and calibration services 56 Technical assistance business hour 57 Warranty information 57 Product documentatio...

Страница 12: ...Contents WiFi Advisor Wireless LAN Analyzer User s Guide Page x 22073751 Rev 002 December 2014...

Страница 13: ...r 2014 22073751 Rev 002 Page xi About This Guide This prefix explains how to use this manual Topics discussed include the following Purpose and scope on page xii Assumptions on page xii Safety and com...

Страница 14: ...ice intermediate and experienced users who want to use the WiFi Advisor effectively and efficiently We are assuming that you have basic computer and iPad experience and are familiar with basic telecom...

Страница 15: ...sults directory test_products users default User xml file name All results okay output mes sage References to guides books and other publications appear in this typeface Refer to Newton s Telecom Dict...

Страница 16: ...s a potentially hazardous situation that if not avoided could result in death or serious injury It may be associated with either a general hazard high voltage or risk of explosion symbol CAUTION Indic...

Страница 17: ...Chapter 1 WiFi Advisor Overview This chapter provides a general description of the WiFi Advisor Topics discussed in this chapter include the following About the Wireless LAN Analyzer on page 2 Archit...

Страница 18: ...e The system architecture of the Wireless LAN Analyzer solution includes the following 1 The WFED 300AC WiFi Advisor test device Each WiFi Advisor contains an 802 11 radio spectrum analyzer and a netw...

Страница 19: ...iew of real WiFi performance margin and generates valuable information that can be given to the end user Features and capabilities Flexible Battery powered WFED configurable as Station or AP Configura...

Страница 20: ...he button to power up or power down the instrument When the unit is powered up the LED just above the button indicates the battery status Solid green indicates the battery has greater than 10 charge o...

Страница 21: ...a short on every few seconds indicates the instrument is trying to connect over Bluetooth Blinking blue on but short off every few seconds indicates the instrument is connected to the iPad but not cur...

Страница 22: ...re two USB connectors They are used to connect host devices to the WiFi Advisor and as an alternative path for firmware download The standard USB connector is a master host interface The mini USB is a...

Страница 23: ...ew is shown in Figure 4 DC Power input The DC Power input located on the back of the instrument is used to connect the AC adapter Battery charge LED The LED located next to the power input indicates t...

Страница 24: ...anage devices The application allows the user to set up WiFi tests communicates test setups to the WFED 300AC WiFi Advisor test device s over Bluetooth manages test execution displays test results and...

Страница 25: ...e surrounding 802 11 environment using a single test device see WiFi Troubleshooting in Chapter 3 Testing Device Management used to register devices view device status and manage firmware updates see...

Страница 26: ...Chapter 1 WiFi Advisor Overview About the WiFi Advisor app WiFi Advisor Wireless LAN Analyzer User s Guide Page 10 22073751 Rev 002 December 2014...

Страница 27: ...which is used to register devices view device status and manage firmware updates Topics discussed in this chapter include the following Connecting a WiFi Advisor for the first time on page 12 Registe...

Страница 28: ...Fi Advisor 6 Label your WiFi Advisor with the letter designator of your choice from the sheet of ID Labels provided This label will be used during the registration process to provide a simple method t...

Страница 29: ...ster your device Changing the power off delay The power off delay values associated with each registered WiFi Advisor are shown within the Registered Devices section of the Device Manager screen These...

Страница 30: ...h 2 Find the WiFi Advisor you wish to update and click on icon of the device with a down arrow 3 A confirmation screen appears 4 Select Yes The update begins The status bar at the top indicates the up...

Страница 31: ...the app do one of the following a If your company has an enterprise network connect to your company enterprise network with the iPad If there is a new version your app icon will include a badge a cir...

Страница 32: ...Chapter 2 Managing Devices Updating the iPad application software WiFi Advisor Wireless LAN Analyzer User s Guide Page 16 22073751 Rev 002 December 2014...

Страница 33: ...ng This chapter provides task based instructions for using the WiFi Advisor features Topics discussed in this chapter are as follows WiFi Troubleshooting on page 18 Assessing WiFi performance througho...

Страница 34: ...he service is not working properly To troubleshoot a single connection 1 Bring the iPad and WiFi Advisor to the location experiencing problems 2 Open the app on the iPad 3 Select Single Ended Troubles...

Страница 35: ...nel to select for a new AP to be placed within the environment To toggle between 2 4GHz band and 5GHz band touch the band toggle switch in the upper left of the graph The BSSID List view in the right...

Страница 36: ...nel view The Channel view shown in Figure 9 shows utilization and noise per 802 11 channel in addition to co channel or adjacent channel interferers You can view the best channels per band best channe...

Страница 37: ...ching the band toggle switch in the upper left of the graph toggles between 2 4GHz band and 5GHz band views As in the BSSID view the BSSID List view in the right pane provides a listing of all detecte...

Страница 38: ...top right area of the Utilization graph displays a table that identifies the current top 3 best channels based on channel width for the band being viewed Touching anywhere on the screen closes the tab...

Страница 39: ...prior to turning on the Spectral Analyzer Touching a specific BSSID from the BSSID Snapshot List configures the Spectrum Analyzer to the channel s associated with the BSSID selected and changes the BS...

Страница 40: ...e upper left reports the frequency at that position in addition to the real time and max hold signal levels at that frequency The cursor can be moved by tapping anywhere on the graph within the channe...

Страница 41: ...or Residential Gateway will be installed 2 Take a second WiFi Advisor along with your iPad to the location where WiFi performance is to be assessed The test thoroughly evaluates WiFi perfor mance betw...

Страница 42: ...ors connected over Bluetooth To get started 1 Launch the WiFi Advisor app 2 Select Two Ended Site Assessment Specifying settings During Site Assessment test up to five individual test profiles are con...

Страница 43: ...travels from test location to test location Step 2 Specifying the Broadband Service Rate This setting specifies the broadband service rate that the customer is receiving from their internet provider I...

Страница 44: ...ent page select Configuration 2 Do one of the following Select the pre defined configuration that matches your needs or matches the equipment you are installing into the test site Proceed to Step 4 Sp...

Страница 45: ...hic on the right and specify the device that is operating as the Station i Do one of the following Select from the pre defined devices that is operating as the access point If no pre defined configura...

Страница 46: ...ing the AP and Station Location These settings specify the room where each WiFi Advisor is located To specify the AP and Station location 1 From the Site Assessment page select AP Location 2 Select th...

Страница 47: ...After the first location is tested a green check mark or red X a Go No Go result appears next to the access point and station 7 If you have another station select Next Station Location If not go to s...

Страница 48: ...ys results for both the AP to Station direction and Station to AP direction The menu has several result views Summary shows a summary of the throughput and throughput margin tests for the selected pro...

Страница 49: ...Advisor Wireless LAN Analyzer User s Guide December 2014 22073751 Rev 002 Page 33 An example of the Summary Results is shown in Figure 12 To return to the Site Assessment test touch Site Assessment in...

Страница 50: ...nterference Figure 13 Max possible rates per protocol Protocol Channel BW MHz Antenna Configuration Max Possible PHY Rate Mbps 802 11a 20 1x1 54 802 11b g 20 1x1 54 802 11n 20 1x1 72 802 11n 40 1x1 15...

Страница 51: ...upper left Managing jobs The Job Manager is used to associate test results from a test to a single job If any jobs have been saved they appear in the list The Job Manager allows you to setup a new job...

Страница 52: ...ults but once activated results from a Site Assessment test can be associated with the job The page icon with a 0 at the right side indi cates that no results have yet been saved to this job The job i...

Страница 53: ...ld results with the new To activate or deactivate a job 1 From the main Job Manager screen touch Manage Active jobs are listed Note that the available options are dependent on which jobs have been sel...

Страница 54: ...ed in the Site Assessment Test in text format Detailed Report shows all results gathered in the Site Assessment Test including the graphs in PDF Customer Report shows the end user facing PDF report Th...

Страница 55: ...d to an external database using either FTP or HTTPS if available To export a job 1 From the main Job Manager screen touch Manage Active jobs are listed 2 Choose the desired job by selecting the box ne...

Страница 56: ...Settings dialogue 6 Enter the URL user name and password and other information required to point the WiFi Advisor iOS application to your FTP or HTTPS site or data base 7 If any jobs have been exporte...

Страница 57: ...Check that Bluetooth is ON enabled on your iPad Make sure that the iPad and WFED 3000AC are within reasonable Bluetooth range of each other ideally 0 to 20 feet Look at the number of Bluetooth device...

Страница 58: ...Chapter 3 Testing Troubleshooting Problems with Your WiFi Advisor WiFi Advisor Wireless LAN Analyzer User s Guide Page 42 22073751 Rev 002 December 2014...

Страница 59: ...ntenance and Specifications This chapter describes how to maintain your unit Topics discussed in this chapter include the following Charging the battery on page 44 Replacing the battery pack on page 4...

Страница 60: ...s fast charging The WiFi Advisor will trickle charge at other times when the charger is connected and the Batt LED is green After the Batt LED turns green fast charge is complete allow the unit to tri...

Страница 61: ...toward the connector 6 Connect the new battery pack to the wiring 7 Replace the battery compartment door Replacing the battery pack is complete Cleaning the instrument The instrument itself does not...

Страница 62: ...iFi Advisor Table 5 Physical specifications Parameter Specification Height 6 1 155 mm Width 7 178 mm Depth 2 6 66 mm Weight 1 lb 0 45 kg with battery Table 6 Operating and storage environment Paramete...

Страница 63: ...office for assistance The regional sales office phone numbers are listed on the back of this manual During off hours you can request assistance by doing one of the following leave a voice message at t...

Страница 64: ...Appendix A Maintenance and Specifications Getting Technical Assistance WiFi Advisor Wireless LAN Analyzer User s Guide Page 48 22073751 Rev 002 December 2014...

Страница 65: ...002 Page 49 Appendix B WiFi Fundamentals This chapter provides a general description WiFi and 802 11 Topics discussed in this chapter include the following WiFi deployment on page 50 Network standard...

Страница 66: ...he end user guessing as to how the installed network should perform leading to trouble calls and truck rolls as the end user adds to modifies the WiFi network Network standard The network standard use...

Страница 67: ...le areas 2 4 GHz Spectrum In North America there are 11 channels each 22 MHz wide These channels overlap except for 1 6 and 11 Thus these channels are always preferred The rest of the world includes t...

Страница 68: ...m Differences WiFi Advisor Wireless LAN Analyzer User s Guide Page 52 22073751 Rev 002 December 2014 gets a FCC Part 15 approval Bluetooth devices cordless telephones baby moni tors and microwave oven...

Страница 69: ...low power That means to them WiFi is the interferer U NII stands for Unlicensed National Informa tion Infrastructure and was set aside primarily for WiFi use Most of the world uses the spectrum from...

Страница 70: ...e Page 54 22073751 Rev 002 December 2014 This band can vary in a greater number of regions as shown in Figure 18 and certain channels are designated as indoor use only or outdoor use The terms Indoor...

Страница 71: ...er Services and Support This appendix provides information about standard support services add on services and training available through JDSU Topics discussed in this appendix include About our servi...

Страница 72: ...details Standard support services Standard support services that accompany the sale of every JDSU product include Instrument repair and calibration services Business hour technical assistance Access...

Страница 73: ...tance Pages default aspx For information about optional 24x7 technical assistance see Extended product and systems support services on page 58 Warranty information Information about standard warrantie...

Страница 74: ...s a z service list Pages ext warr aspx For information about optional extended equipment repair services go to www jdsu com en us Test and Measurement services a z service list Pages factory repair as...

Страница 75: ...out specialized managed services available from JDSU go to www jdsu com en us Test and Measurement services managed services Pages default aspx Training options JDSU offers a wide array of training op...

Страница 76: ...Appendix C Customer Services and Support Training options WiFi Advisor Wireless LAN Analyzer User s Guide Page 60 22073751 Rev 002 December 2014...

Страница 77: ...ar to a MAC address C Client Client device with connects to an access point does not function as an AP but can operate as a wired to wireless adapter CPE Customer Premise Equipment D DSSS Digital Sequ...

Страница 78: ...analyzer is used to measure signal amplitude strength as it varies by signal frequency The frequency appears on the horizontal axis and the amplitude is displayed on the vertical axis A spectrum anal...

Страница 79: ...44 45 replacing 44 Battery pack 44 Buttons 4 C Calibration 56 Cleaning the instrument 45 Compliance information xii Configuration site assessment 28 Connectors 4 F Features 3 Firmware updating 14 H Ho...

Страница 80: ...ring devices on the iPad 12 Replacing the batteries 44 45 Replacing the battery 44 S Safety information xii Single ended test 18 Site assessment configuring 28 description 25 test 30 Specifications 46...

Страница 81: ......

Страница 82: ...ervice Enablement Regional Sales North America Toll Free 1 855 ASK JDSU Latin America Tel 55 11 5503 3800 Asia Pacific Tel 852 2892 0990 EMEA Tel 49 7121 86 2222 www jdsu com 22073751 Rev 002 December...

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