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Mimosa Backhaul

 

copyright © 2018 Mimosa. All rights reserved.

http://backhaul.help.mimosa.co/

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Summary of Contents for Backhaul B24

Page 1: ...on contained in this document is subject to change without notice This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Mimosa ...

Page 2: ... Dashboard Overview 13 Signal Meter 14 Aiming Mode 17 Performance 19 Device Details 21 MIMO Status 24 Wireless 27 Channel Power 27 Spectrum Analyzer 27 Channel Power Settings 29 Exclusions Restrictions 34 Link 35 TDMA Configuration 35 Rate Adaptation 37 Link Configuration 38 Location 41 Local Satellite Signals 41 Satellite Information 42 Location Data 43 Site Survey 44 Survey Results 44 Preference...

Page 3: ...rity 59 Notifications 60 SNMP Notifications 60 SNMP Traps 61 SNMP Traps OIDs 63 System Log Notifications 65 System Log Traps 66 Firmware Reset 67 Firmware Update 67 Reset Reboot 68 Backup Restore 69 Backup Restore 69 Diagnostics 70 Tests 70 Test Overview 70 Ping 71 Bandwidth 72 Traceroute 73 Logs 74 Log Overview 74 Troubleshooting Guide 75 LED Status Indicators 75 B24 LED Status Indicators 75 ...

Page 4: ... product which has been installed without the use of shielded CAT 6 Ethernet cable and or proper earth grounding and or proper earth grounding This process ensures that the radio is securely attached to a mast pole up to 90 mm 3 5 inches in This process ensures that the radio is securely attached to a mast pole up to 90 mm 3 5 inches in diameter and grounded to protect against electrical discharge...

Page 5: ...he desired direction To 3 fine tune the radio use the Elevation and Azimuth adjustment allen bolts then check and tighten each of Elevation and Azimuth locking bolts Attach a 6 mm2 10 AWG ground wire with a maximum length of 1 m 3 3 feet between the mounting bracket 1 of the B24 and a suitable grounding location on the tower or structure The provided grounding screw is M5 x 6mm with 0 8 thread ...

Page 6: ...ul Mounting Grounding Copyright 2018 Mimosa Page Page 3 Related B24 Specifications See specification sheet section entitled Physical for additional mounting hardware details Hardware Materials Details about what materials are used in each provided part ...

Page 7: ...and align the 1 B24 Take the mounting bracket and attach it to the B24 using the two provided screws Use your 10mm wrench 2 to tighten the screws down When you re ready to adjust elevation these two screws will need to be loosened up Add both hose clamps to the B24 mount when you re ready to mount to a pole j mount etc 3 Once on the pole tighten down your hose clamps most of the way so that they h...

Page 8: ...your link is connected Regardless if your link is connected or not log into the radio and access the radio GUI On the Dashboard 8 page you will see the Signal Meter If connected you ll have a signal level listed Please make sure you are only adjusting one radio at a time Also make sure you are not adjusting azimuth and elevation at the same time You want to complete one before starting the other N...

Page 9: ...13 elevation of your radio while turning counter clockwise will increase the elevation of your radio Pick a direction and start turning Watch the signal meter to see if your signal is getting better or worse Even if your signal is getting better or worse continue turning for a few more turns to determine if you re connected to a side lobe or not If you are the signal will get worse and then much m...

Page 10: ...ea is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense correct the interference at his own expense 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 interfe...

Page 11: ...yright 2018 Mimosa Page Page 8 2 l utilisateur de l appareil doit accepter tout brouillage radioélectrique subi même si le brouillage est susceptible d en compromettre le fonctionnement Follow all safety precautions as dictated by your local regulator in installation ...

Page 12: ...anetworks Once connected type 192 168 25 1 into your browser Please note that both the Local Network Management SSID and passphrase are configurable by the user so their values could be different from the default values Via Ethernet interface or in band over the Point to Point link By default the device IP address is 192 168 1 20 and can be accessed via the Ethernet port using this IP address in a...

Page 13: ...ng via one of the three access methods the GUI will prompt you to log in with a password The default password is mimosa and should be changed immediately after login to protect your network since it gives the user read write privileges The password can be changed within the Preferences General Set Password panel of the GUI ...

Page 14: ...io and link parameters that affect link health On the left navigation pane there are four prominent sections Overview Wireless Preferences and Diagnostics Each of these sections contains one or more links to pages containing task related data controls and tools used to administer the radio and you can return the Dashboard at any time by clicking on the Dashboard link in the Overview section The pi...

Page 15: ...Mimosa Backhaul and B24 Help Content Mimosa Backhaul Overview Copyright 2018 Mimosa Page Page 12 ...

Page 16: ... the link status GPS signal quality Link Uptime since association and Link Availability since the last reboot Two of the values on this panel contain an information icon that shows more information when you click or hover over it with your mouse cursor On other panels detailed help text can be found by clicking on the information icon in the upper right hand corner Applies to B5 B5c B11 and B24 on...

Page 17: ...s used 1 or 2 and the width of each channel 20 40 or 80 MHz Tx Power Total transmit power level dBm Link Length Distance between local and remote radios when connected B5 Lite C5c PTP Center Frequency True center of the frequency range no offset Channel Width The width of the channel 20 40 or 80 MHz Tx Power Total transmit power level dBm Link Length Distance between local and remote radios when c...

Page 18: ...pen a new window that refreshes once per second for a 5 minute period The Aim Heading indicates the direction in which the front of the device should be pointed based exchange of coordinates The green arrow and blue shaded region on the dial indicator represent current and target signal levels respectively Note that the dial indicator does not represent azimuth Azimuth may need to be adjusted in e...

Page 19: ...Mimosa Backhaul and B24 Help Content Mimosa Backhaul Dashboard Copyright 2018 Mimosa Page Page 16 B11 Signal Meter B24 Signal Meter ...

Page 20: ...e incorrect if the antenna gain value is inaccurate B5c and B11 Note that the target signal level will be incorrect if the antenna gain value is inaccurate B5c and B11 Antenna Aiming Procedure While viewing the Aiming Mode screen move the local antenna on one axis at a time first azimuth and then 1 elevation in 6mm 1 4 inch increments Wait 2 3 seconds for the signal to settle after each movement S...

Page 21: ...e antenna mount and the Tip Use a pen or a piece of tape to place an alignment mark on both the antenna mount and the mounting pole The gap between the marks will serve as a visual aid to show how far the antenna has mounting pole The gap between the marks will serve as a visual aid to show how far the antenna has turned in either direction turned in either direction ...

Page 22: ...eceive and aggregate summed throughputs at the datagram or packet layer excluding any protocol or encapsulation overhead The results here may differ from those measured using speed test tools due to protocol overhead and encapsulation Note that internal Bandwidth test results are excluded The Packet Error Rate PER is the number of packets with errors divided by the total number of packets sent wit...

Page 23: ...re carefully for their link partner until they are linked and this listening period is subject to more interference until Automatic Gain Control AGC and linked and this listening period is subject to more interference until Automatic Gain Control AGC and Rate Adaptation RA adjust parameters to accommodate the conditions PER values are exchanged Rate Adaptation RA adjust parameters to accommodate t...

Page 24: ...ed B5 Lite C5c PTP Device Name The friendly name given to each device Set in Preferences General Naming Serial Number The unique identifier for the device assigned at the factory IP Address The IP address of each device and how it was assigned Set in Preferences Management Wireless Protocol The MAC level protocol Set in Wireless Link MAC Configuration TDMA Traffic Balance Identifies the gender of ...

Page 25: ...evice and how it was assigned Set in Preferences Management Wireless Protocol The MAC level protocol Set in Wireless Link MAC Configuration TDMA Traffic Balance Identifies the gender of the radio the duration for each TDMA time slot and ratio of bandwidth allocated for transmission Set in Wireless Link MAC Configuration Ethernet RJ45 Status Shows data rate and duplex mode if the link is up else Li...

Page 26: ...Mimosa Backhaul and B24 Help Content Mimosa Backhaul Dashboard Copyright 2018 Mimosa Page Page 23 ...

Page 27: ... and Polarization Each channel is assigned two chains horizontal and vertical If two channels are selected Channel 1 uses Chains 1 2 while Channel 2 uses Chains 3 4 Tx Power is the amount of power applied to each of the MIMO chains Tx Power can be shared evenly preferred or unevenly if necessary between channels The Tx power Tx Power can be shared evenly preferred or unevenly if necessary between ...

Page 28: ... can receive data from the local transmitter The Rx MCS indicates how well the local radio is receiving data from the remote transmitter The Modulation Coding Scheme MCS represents how much data can be sent at a time so directly affects The Modulation Coding Scheme MCS represents how much data can be sent at a time so directly affects potential throughput represented by the PHY rate The higher the...

Page 29: ...ay drop to one stream if RF conditions are poor Dual channel mode uses up to 4 streams You may also see the number of streams change periodically because of tests that Rate Adaptation performs to optimize performance This is expected and normal Related Backhaul FAQ What SNR is required for each MCS Backhaul FAQ What is the sensitivity for each MCS index Backhaul FAQ What s a good EVM ...

Page 30: ...me frequency at the same amplitude The legend to the right of the graph explains the color code for the Cumulative Distribution Function CDF The color red suggests the highest probability 1 100 while purple represents the lowest probability 0 0 Cross hairs appear on the graph beneath the mouse pointer along with an information box containing the frequency channel PSD and CDF values There are three...

Page 31: ...Mimosa Backhaul and B24 Help Content Mimosa Backhaul Channel Power Copyright 2018 Mimosa Page Page 28 ...

Page 32: ...ntain the highest link bandwidth while maintaining link stability Center Frequency 1 2 In Off Manual mode select the center frequency of the channel used on the link In all modes the center frequency represents the absolute center of the selected channel width without any offset and the center can be moved in 5 MHz increments If Auto Everything is set to On the Channel s will be automatically set ...

Page 33: ...le maintaining link stability Center Frequency In Off Manual mode select the center frequency of the channel used on the link In all modes the center frequency represents the absolute center of the selected channel width without any offset and the center can be moved in 5 MHz increments If Auto Everything is set to On the Channel will be automatically set and not editable Tx Power Set the desired ...

Page 34: ...link In all modes the center frequency represents the absolute center of the selected channel width without any offset and the center can be moved in 5 MHz increments Local and Remote Device Power Set the desired transmit power levels on the AP Antenna Gain dBi Set the gain according to antenna specifications and subtract out any cable connector loss Operating Band MHz Select the frequency range i...

Page 35: ...cy 1 2 Select the center frequency of the channel used on the link In all modes the center frequency represents the absolute center of the selected channel width without any offset and the center can be moved in 5 MHz increments Local and Remote Device Power Set the desired transmit power levels on the AP Operating Band MHz Select the frequency range in which the radio will operate 24000 24250 Not...

Page 36: ...Mimosa Backhaul and B24 Help Content Mimosa Backhaul Channel Power Copyright 2018 Mimosa Page Page 33 Related Using TDMA FD Mode Application note describing how to apply FD mode in challenging spectrum ...

Page 37: ...equency Add Exclusions The button to add the Start and End frequency range to the exclusion list Existing Exclusions and Restrictions Exclusions can be removed from the list by clicking on the trash icon The restricted bands with the lock icon cannot be removed They are protected because of regulatory requirements Regulatory Domain The country in which the device has been configured to run In the ...

Page 38: ...a Station Gender Traffic Split The radio can be configured to allocate bandwidth symmetrically 50 50 or biased towards downstream 75 25 in environments where traffic direction is expected to be heavier in one direction than the other With an asymmetrical split the local radio is represented first in the slash notation local remote For example in the 75 25 split the local radio gets 75 while the re...

Page 39: ...ected the radio will automatically determine based upon traffic flow which ratio will be used The radio will continue to evaluate the flow and adjust accordingly TDMA Window Determines the length of the transmit time slot in milliseconds If Auto is selected as the Gender Traffic Split this value is set dynamically Note To enable spectrum reuse both Gender Traffic Split and TDMA Window must each be...

Page 40: ...agnitude reported by the remote radio PHY Rate Choose Conservative default or Aggressive The Conservative mode results in the lowest PER but can also prevent higher modulation The Aggressive mode optimizes modulation but can also result in higher PER The table below describes the PER limit above which Rate Adaptation will reduce modulation to maintain a stable link Rate Adaptation Mode PHY Rate B5...

Page 41: ...nect with the broadcasted SSID Select Show Key to see passphrase in plain text Enter any combination of printable characters The passphrase should be between 8 to 63 characters in length The Encryption Key must be the same on both the Access Point and Station for them to communicate with each other Scan for SSIDs On a radio configured as a Station click this button to display a list of Access Poin...

Page 42: ...osa Backhaul and B24 Help Content Mimosa Backhaul Link Copyright 2018 Mimosa Page Page 39 Example SSID Scan after pressing the Scan for SSIDs button To connect to a particular SSID click the Select button ...

Page 43: ...Mimosa Backhaul and B24 Help Content Mimosa Backhaul Link Copyright 2018 Mimosa Page Page 40 ...

Page 44: ...art showing both GPS and GLONASS satellites in blue and green respectively from which the radio can obtain position and timing data used for synchronization Each numbered column represents a unique satellite with the columns amplitude representing the signal to noise ratio of the satellite s signal at the radio s receiver The number of satellites the radio detects and the SNR of each both contribu...

Page 45: ...th is required for maximum performance as the GPS is used to synchronize timing between devices Satellite Signal Strength Qualitative assessment based on all items below also displayed on the Dashboard Satellite Avg SNR Average signal to noise ratio amongst satellites Total Satellites Sum of detected GPS and GLONASS satellites GPS Number of GPS satellites detected GLONASS Number of GLONASS satelli...

Page 46: ...osa Backhaul Location Copyright 2018 Mimosa Page Page 43 Viewing Location Data Product Applicability B5 B5c B11 Status table showing location altitude and heading for both the local and remote devices as well as the link distance between them ...

Page 47: ...ce s unique identifier Vendor The name of the device manufacturer if known Wi Fi Channel Lists the channel on which the device operates Channel Width The size in MHz of the channel on which the device operates Frequency Range The specific frequency range in MHz within the Wi Fi channel that the device operates Signal Strength The received power level in dBm from each detected AP Note The Site Surv...

Page 48: ...and Description The device name and description are local identifiers for administrative purposes and are not used as part of the wireless link Device Friendly Name Name for the local device displayed on the Dashboard Device Description A more detailed device description up to 150 characters for administrative purposes ...

Page 49: ...PS Install Date Used to track the date that the device was installed B5 Lite Current Date UTC Current date as set by the NTP Server Current Time UTC Current time as set by the NTP Server Install Date Used to track the date that the device was installed NTP Server Domain name or IP address of network time server B11 Current Date UTC Current date as set by GPS Current Time UTC Current time as set by...

Page 50: ... device configuration to protect your network New Password Enter the new password Verify New Password Re enter the new password to confirm Current Password Enter the existing password as a security measure The Password rules are as follows for choosing a password It must be between 6 to 64 characters It can use capital A Z or lower case a z characters excluding space Valid special characters for t...

Page 51: ...ys the code used to unlock the device B5 Lite Unlock Code Displays the code used to unlock the device B11 LED Brightness Changes the intensity of the status indicator lights on the device exterior The Auto option adjusts the amount of light based upon ambient conditions Manual options include Low Medium High and Off Unlock Code Displays the code used to unlock the device B24 LED Brightness Changes...

Page 52: ...Mimosa Backhaul and B24 Help Content Mimosa Backhaul General Copyright 2018 Mimosa Page Page 49 Related Change Unlock Country Replace an existing unlock code to enable another regulatory domain ...

Page 53: ...tomatically assigned by the DHCP server If a DHCP server is unavailable the device will use the static IP address listed below IP Address The network address used to manage the device Netmask The subnet mask that defines the network subnet Gateway The gateway address for the subnet Primary DNS The first DNS server IP Address Default is 8 8 8 8 Secondary DNS The backup DNS server IP Address Default...

Page 54: ...dog feature which reboots the device if it cannot ping a certain IP after a number of retry attempts Ping IP Address Enter the IP address of the device to ping Interval Set the number of seconds 1 3600 between ping attempts Delay After Startup Set the delay in number of seconds 1 3600 between device start up and the first ping attempt Failure Count Triggering Reboot Set the number of failed ping a...

Page 55: ...be used for the web server This web server is for the web interface Secure Web Server Port Indicate which TCP port will be used for the secure web server Session Timeout Set the number of minutes 0 60 of inactivity that will be allowed on the interface before automatic log out for sessions If set to 0 the session will have no timeout Following an automatic session timeout logging back into the dev...

Page 56: ... interface from denial of service attacks Changing this value requires a reboot B5 Lite Mimosa Cloud Management Enables the device to use Mimosa Cloud Management tools Data will be collected and stored the Mimosa Cloud Ethernet Port Set the Ethernet port transfer rate or allow it to be automatically determined Manually selectable options are 10 100 or 1000BaseT at either full or half duplex Note t...

Page 57: ...d stored the Mimosa Cloud Rapid Port Shutdown RPS Enabling this option disables the logical link of the Ethernet port for 2 seconds once every 5 minutes if the wireless link disassociates This function becomes active only after initial association and repeats the off on cycle until the link re associates This speeds convergence of routing and switching protocols used in the network Flow Control En...

Page 58: ...d Slave Preferred Master The Manual Slave option improves interoperability with some routers and switches B11 Fiber Port Enable this option to route all data through this port with optical fiber and a small form factor pluggable SFP media adapter After enabling the Fiber Port the Ethernet cable must remain connected to supply power but it does not pass data If fiber is enabled and connectivity is ...

Page 59: ... Ethernet RJ45 is used for both data and management traffic Fiber SFP Fail Safe When Fiber SFP link goes down data and management traffic will fail over to Ethernet RJ45 and traffic will pass through Ethernet RJ45 if available If Fiber SFP Fail Safe is OFF and if Fiber SFP goes down all traffic will be blocked Ethernet RJ45 Speed This drop down allows the user to select one of the following option...

Page 60: ...the administrator to enable a VLAN Virtual Local Area Network for management traffic When enabled all Web Management traffic must originate from a device on that VLAN Enable Use the slider control to turn VLAN Management on or off ID The VLAN ID valid options are 1 4094 You can still connect locally via the 2 4 GHz management console on a B5 or B5c ...

Page 61: ...thin the timeout period they will not be disconnected Console Timeout Set the number of minutes 1 60 of inactivity that will be allowed on the 2 4 GHz interface before turning it off in Auto mode SSID Local Management Set the SSID name for the 2 4 GHz local management interface Channel Select the channel on which the 2 4 GHz wireless network will operate Recovery SSID This is an non editable recov...

Page 62: ... controls for managing access to the local wireless management network Maximum Wireless Clients Limit the maximum number of wireless clients that can simultaneously access the 2 4 GHz management interface Encryption Key Enter an ASCII Passphrase for gaining access to the 2 4 GHz management interface Show Key checkbox Check to display the Encryption Key in clear text for verification before saving ...

Page 63: ...for the SNMP system Location Specify the optional physical location for the SNMP system Trap Server Define the server to receive the notifications Related SNMP Usage Examples Get Walk Table Sample commands for retrieving values SNMP Object Names Query values using SNMP Object Names defined within the Mimosa MIB file SNMP Traps Configure outgoing notifications for specific events SNMP Traps OIDs OI...

Page 64: ...nother device Ethernet Up Down Notification created if the Ethernet Port is connected Ethernet Up or disconnected Ethernet Down Ethernet Speed Change Notification created when the Ethernet port changes from one speed 10 100 or 1000BaseT to another Temperature Low High Notification created if the temperature falls outside of the safe range for the product Multiple Login Attempts Notification create...

Page 65: ...SNMP Object Names defined within the Mimosa MIB file SNMP Notifications Enabling SNMP on Mimosa Backhaul products SNMP Traps OIDs OIDs associated with the SNMP Traps SNMP MIB Download Available values in standard Management Information Base MIB format SNMP OID Reference Summarized list of available values and where to find them on the GUI ...

Page 66: ...p or disconnects from Wireless Down another device Ethernet Up Down Standard Trap Up 1 3 6 1 6 3 1 1 5 4 Down 1 3 6 1 6 3 1 1 5 3 snmpLinkUp snmpLinkDown Notification created if the Ethernet Port is connected Ethernet Up or disconnected Ethernet Down Ethernet Speed Change Mimosa Specific Trap 1 3 6 1 4 1 43356 2 0 4 mimosaEthernetSpeedChange Notification created when the Ethernet port changes from...

Page 67: ...ommands for retrieving values SNMP Object Names Query values using SNMP Object Names defined within the Mimosa MIB file SNMP Notifications Enabling SNMP on Mimosa Backhaul products SNMP MIB Download Available values in standard Management Information Base MIB format SNMP OID Reference Summarized list of available values and where to find them on the GUI ...

Page 68: ...local device Transport Protocol Choose the desired protocol for the Syslog connection Note that most devices send UDP messages by default UDP is an unreliable transmission protocol thus messages may get lost Choose TCP for higher reliability if any message loss is unacceptable Remote Log IP Address List the IP Address of the remote Syslog server to which Notifications will be sent Remote Log Port ...

Page 69: ...s to Wireless Up or disconnects from Wireless Down another device Ethernet Up Down Notification created if the Ethernet Port is connected Ethernet Up or disconnected Ethernet Down Ethernet Speed Change Notification created when the Ethernet port changes from one speed 10 100 or 1000 BaseT to another Temperature Low High Notification created if the temperature falls outside of the safe range for th...

Page 70: ...then upgrade the remote side of the link before the local side If there is a problem during the upgrade you will still have access to one of the link before the local side If there is a problem during the upgrade you will still have access to one of the radios within the link and can manage the link details radios within the link and can manage the link details The firmware update process occurs i...

Page 71: ...his will delete ALL saved configuration settings and return the device to the locked factory state You will be required to re enter your unlock key upon device reset The current version of firmware will remain however Reset Device Configuration Clears all configuration settings The device will remain unlocked Reset Device Unlock Locks the device and resets the country code WARNING You will be requ...

Page 72: ...e Configuration Settings The Backup and Restore Configuration panel contains controls for managing configuration settings files Backup Current Configuration Perform a configuration backup by downloading the mimosa conf file Restore Configuration Click the Choose File button to upload a previously saved mimosa conf file ...

Page 73: ... is because the test is conducted by transmitting packets at a low layer between the two radios Navigating away from this page will stop the test Test Duration The length of the bandwidth test in seconds Test Select one of the following options to assess the maximum throughput Local to Remote Unidirectional test from the local device to the remote device Remote to Local Unidirectional test from th...

Page 74: ... the target host is reachable from the local device Destination Host The destination IP Address of the device to ping Packet Count The number of packets to transmit during a ping Packet Size bytes The size of each packet to transmit during a ping Run Test Click on the Run Test button to ping the destination IP address Results are shown in corresponding table ...

Page 75: ...test is conducted by transmitting packets at a low layer between the two radios Navigating away from this page will stop the test The bandwidth test is only available when devices are associated in PTP mode Test Duration The length of the bandwidth test in seconds Test Select one of the following options to assess the maximum throughput Local to Remote Unidirectional test from the local device to ...

Page 76: ...en the local device and a given destination across an IP network Destination Host The destination IP address for traceroute to send packets Resolve IP Address Indicate whether the system should resolve and print the host name of the destination Max Number of Hops Choose the maximum number of intermediate devices e g routers through which packets must pass between source and destination ...

Page 77: ...iagnostic Logs View Events and download diagnostic information to share with Mimosa Support Event Log This is a persistent non volatile log of all significant events that occur Support Info Download a single file containing all information required by Mimosa Support to help with troubleshooting ...

Page 78: ...ors Copyright 2018 Mimosa Page Page 75 B24 External LED Status Indicators Three LED indicators on the outside of the case communicate operational status Power Ethernet and Wireless The tables below describe the meaning of each LED s state Off On solid On blinking and Color ...

Page 79: ...nvalid Firmware Image 1 Solid Red Wiring Error or Boot Error2 1 Please visit the Firmware page to download the latest image 2 Please check wiring cycle power and then contact Mimosa Support if necessary Ethernet Status LED Table The Ethernet Status LED indicates the negotiated port speed for the wired network connection The device is designed to perform best with a 1000BASE T connection While othe...

Page 80: ...fic Wireless Status LED Table The Wireless Status LED indicates a link between local and remote devices The blink rate represents received signal strength which is useful while aiming the local device State LED Description Off Not Associated No Link Blinking Blue Associated Blink rate proportional to signal strength Ranges from 1 Hz one blink per second at 90 dBm or less to 10 Hz one blink per 100...

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