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RLX2-IHx Series ♦ 802.11a, b, g, n 

Glossary of Terms 

Industrial Hotspots  

User Manual 

 

 

ProSoft Technology, Inc. 

Page 239 of 248 

19  Glossary of Terms 

Symbols & Numeric 

802.11 

A group of wireless specifications developed by the IEEE. It details a wireless interface 
between devices to transport packet traffic. 

802.11a 

Operates in the 5 GHz frequency range with a maximum 54 Mbit/sec signaling rate. 

802.11b 

Operates in the most commonly used 2.4 GHz Industrial, Scientific, and Measurement 
(ISM) band. Provides signaling rates of up to 11 Mbit/sec using CCK modulation. 

802.11g 

Similar to 802.11b but supports signaling rates of up to 54 Mbit/sec using OFDM 
modulation. Operates in the heavily used 2.4 GHz ISM band. 

802.11i 

Sometimes called Wi-Fi Protected Access 2 (WPA 2). WPA 2 exclusively uses the 128-
bit and above Advanced Encryption Standard (AES), along with 802.1x authentication 
and key management features. 

802.11n 

Uses higher modulation rates and packet aggregation to raise effective WLAN 
throughput to more than 100 Mbit/sec. 

A 

Access Point 

A generic term for an 802.11 radio that "attaches" other 802.11 (clients) to a wired 
network. Some access points (APs) can also bridge to other APs. 

Ad hoc Mode 

Wireless network framework in which devices can communicate directly with one 
another without using an accesspoint or a connection to a regular network. RLX2-IHx 
series radio products do not support 

Ad hoc

 mode. 

AES 

Advanced Encryption Standard. New standard for encryption adopted by the U.S. 
government for secure communications. 

Amplifier 

A device connected to an antenna that increases the signal strength and amplifies weak 
incoming signals. 

Antenna 

A device connected to a wireless transceiver that concentrates transmitted and received 
radio waves to increase signal strength and thus the effective range of a wireless 
network. 

Содержание RadioLinx RLX2-IHA

Страница 1: ...RLX2 IHx Series 802 11a b g n Industrial Hotspots July 27 2021 USER MANUAL...

Страница 2: ...his document including illustrations specifications and dimensions may contain technical inaccuracies or typographical errors ProSoft Technology makes no warranty or representation as to its accuracy...

Страница 3: ...CE 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...

Страница 4: ...ED OR POINTED SUCH THAT IT DOES NOT EMIT RF FIELD IN EXCESS OF HEALTH CANADA LIMITS FOR THE GENERAL POPULATION CONSULT SAFETY CODE 6 OBTAINABLE FROM HEALTH CANADA Agency Approvals Certifications Pleas...

Страница 5: ...IEC60079 0 IEC60079 15 In ATEX environments do not connect disconnect unless area is known to be non hazardous Unit must be wired with Phoenix Contact M12 Cable Assemblies Model Series SAC HZ XX XX X...

Страница 6: ...cs and functions of the original design of the certified lower power frequency electric machinery Article 14 The application of low power frequency electric machineries shall not affect the navigation...

Страница 7: ...unting hardware 2 4GHz A2415NJ DY 15 dBi Directional N jack Yagi with mounting hardware 2 4GHz A2415NJ OC 15dBi Omni N jack collinear antenna with mounting hardware 2 4GHz A2416NJ DS A 16 dBi Directio...

Страница 8: ...enna 5GHz A5019NJ DP 20 dBi directional N jack panel with mounting hardware 5GHz A5019NJ2 DP 19 dBi Panel N Jack 2X MIMO antenna 5GHz A5019NJ2 DS 19 dBi Sector 120degree N Jack 2X MIMO antenna 5GHz A5...

Страница 9: ...1 4 2 RLX2 IHNF W 19 1 4 2 1 RLX2 IHNF W Cables sold separately 20 1 4 3 RLX2 IHNF WC 20 1 4 4 Industrial Hotspot Bench Test Kit RLX IHBTK 20 1 5 Installing the RadioLinx Industrial Hotspot Browser 21...

Страница 10: ...faults 56 4 2 Viewing Radio Status 57 4 2 1 Viewing Available Parents for a Radio 59 4 2 2 Viewing the Radio Address Table 61 4 2 3 Viewing the Radio Port Status 62 4 3 Configuring Basic Settings 64 4...

Страница 11: ...Viewing Wireless Clients in the IH Browser 140 5 9 2 Viewing Ethernet Nodes in the IH Browser 141 5 9 3 Viewing the Scan List in the IH Browser 142 5 9 4 Viewing the Port Table in the IH Browser 144...

Страница 12: ...of VLAN Tags 802 1Q 206 10 2 Port Radio based VLAN Tagging with Managed Switches 207 10 3 Port Radio based VLAN Tagging without Managed Switches 208 11 Appendix E EtherNet IP and Modbus TCP IP Suppor...

Страница 13: ...GHz Bands Point To Point 229 15 Appendix I Compatibility with ProSoft RLXIB Series Radios 230 16 Appendix J Detailed Radio Specifications 232 16 1 RLX2 IHA Detailed Specifications 232 16 2 RLX2 IHG De...

Страница 14: ...a similar fashion Different models operating on common frequencies can communicate with each other Furthermore RLX2 IHx series radios can communicate with ProSoft Technology s legacy RLXIB series of...

Страница 15: ...networks WLAN based on the IEEE 802 11 specifications A high level of security is inherent with AES Advanced Encryption Standard encryption TKIP Temporal Key Integrity Protocol is also available If n...

Страница 16: ...strial installations the RLX2 IHx series offers many features including hazardous location certifications Bridging IGMP Snooping OFDM for noise immunity repeater mode to extend range QoS VLANs RADIUS...

Страница 17: ...ennas that are in use Antennas must be connected to the radio when in use on the network Mount all antennas that are directly connected to the radio so that polarization is the same You can mount ante...

Страница 18: ...enna Ports Allows MIMO operation Weatherproof Hazardous Location Class I DIV2 compliant RLX2 IHNF WC 3 active antenna ports MIMO operation Hazardous location Conduit version Class I DIV 2 compliant RL...

Страница 19: ...nload sample programs utilities firmware images and documentation for your radio from the ProSoft Technology website www prosoft technology com If your computer does not have access to the Internet yo...

Страница 20: ...series 802 11 Industrial Hotspot 1 5 foot CAT 6 Ethernet PoE cable Preinstalled 6 foot CAT 6 Ethernet PoE cable 1 5 foot flying leads power cable Preinstalled 6 foot flying leads power cable 2 U bolts...

Страница 21: ...ial Hotspot Browser IH Browser software to configure the radio as the RLX2 is not shipped with a default static IP Address To install IH Browser from the ProSoft Technology website 1 Open your web bro...

Страница 22: ...r example you may need to install radios installed near the oil tanks 2 The next important issue is how to link the radios Unless the radios are very close together make sure that each pair of radio a...

Страница 23: ...is complete locate and double click the zip file This extracts the installation file Installer msi 7 Double click the msi file to install the software You can download sample programs utilities firmw...

Страница 24: ...and the resources for testing the performance and modifying the installation Test the installation plan before the network installation is complete See Testing the Network Installation page 26 2 4 Pr...

Страница 25: ...These include Visual diagram of site layout Location latitude longitude based on GPS coordinates Radio type frequency range and country specific channel and power requirements Length type and estimate...

Страница 26: ...save the RLX2 configuration from the radio s web interface or write it to the card by clicking WRITE SD CARD on the ADVANCED SETTINGS tab you can leave the MicroSD card in the radio or store it in som...

Страница 27: ...near the bottom of the window Scroll down to view all available radios o See Improving Signal Quality page 27 for more information on overcoming poor signal strength between radios 2 5 1 Improving Si...

Страница 28: ...SSID so it continuously scans 3 Start the IH Browser See Starting the IH Browser page 21 4 In the IH Browser select the radio and then from the INFO menu choose SCAN LIST See Using the IH Browser to...

Страница 29: ...s that you configure as Repeaters or Clients will connect wirelessly to the Master to form a network bridge between their Ethernet interfaces If you are replacing an existing radio with a new radio of...

Страница 30: ...to a network make sure this network connection is on the same subnet as the PC running the IH Browser configuration software 2 Connect a power cable power connection included with the radio to the 10...

Страница 31: ...Technology 2 Connect the power cable with an M12 connector to the specified port shown Note The RLX2 IHNF W radio can be powered over Ethernet POE with an approved injector available from ProSoft In t...

Страница 32: ...an RJ45 connector for Ethernet connections This wire can also supply power when attached to a PoE Injector The second wire supplies power to the radio if not attached to a PoE Injector If you are usin...

Страница 33: ...aps into place This secures the conduit to the connector Note In the event that you have to remove the conduit simply remove the oval clip by using a screwdriver to pry it out You can then remove the...

Страница 34: ...Technology Inc Page 34 of 248 5 If you are not using PoE use the other wire set to power the radio Note If you are using PoE to provide power to the radio insulate the additional power cable from othe...

Страница 35: ...on the network You use this number to identify the radio on the network when using the IH Browser 3 4 Using the IH Browser to Configure Radios This section describes how to use the RadioLinx Industria...

Страница 36: ...button clears the radios from display or from the FILE menu choose CLEAR The Scan button rescans the network for RLX2 IHx series radios or from the FILE menu choose SCAN 3 4 3 Setting the Radio IP Add...

Страница 37: ...s the Assign Temporary IP Address dialog box The UNUSED IP S list are the IP addresses that are currently available on the network 2 The IH Browser suggests the network parameters for the temporary IP...

Страница 38: ...or other network enabled device To connect to the Radio Configuration Diagnostic web interface Important Your computer or other device must be connected to the same network as the RLX2 IHx series radi...

Страница 39: ...res a new password be set before the configuration tabs are enabled This is to ensure that the radio isn t unintentionally put into operation using the factory default password Type the default passwo...

Страница 40: ...t password is embedded in the New Password then those characters are ignored when testing for each of the above criteria After entering the New Password the password is entered once again in the REPEA...

Страница 41: ...ster radio 1 Start the IH Browser 2 Launch a Web Browser to the radio s web interface and Log In See Connecting to the Radio Configuration Web Interface page 38 3 On the BASIC SETTINGS tab in the BASI...

Страница 42: ...ermanent IP address On the BASIC SETTINGS tab in the ACCESS SETTINGS group click OBTAIN IP ADDRESS DHCP or USE THE FOLLOWING IP ADDRESS 6 Click APPLY CHANGES to reboot the Radio The IH Browser display...

Страница 43: ...that the Repeater radio above whose MAC address ends in 54 in the above example has linked to the Master radio whose MAC address ends in 97 2 Log into the radio s web interface See Connecting to the R...

Страница 44: ...RADIO NAME if desired Note To communicate with each other all RLX2 IHx series radios must communicate over the same frequency as the Master radio 3 If you set a temporary IP address in the radio see A...

Страница 45: ...twork device from a Client radio The following example assumes that there is a second PC and shows how to connect to the Master radio To configure a Bridging Client radio 1 Power up a new radio in the...

Страница 46: ...the display in the IH Browser The radio appears in the IH Browser as a Bridging Client radio 8 Configure another Master radio or access point with the correct SSID and Security Settings This allows th...

Страница 47: ...logy Inc Page 47 of 248 The following example shows the settings for the Bridging Client radio and the results of the Ping command for the Ethernet device attached to its Ethernet port The MAC address...

Страница 48: ...ial mode in the radio that allows a user to connect an Ethernet device to a wireless network through any 802 11a b g or n access point Any Ethernet device that has an RJ45 Ethernet port can in effect...

Страница 49: ...ress to the Repeater radio See Assigning a Temporary IP Address page 37 4 Log into the radio See Connecting to the Radio Configuration Interface page 38 5 In the BASIC WIRELESS SETTINGS group change t...

Страница 50: ...the Client radio For this example set the IP address of the PC interface to 192 168 2 248 12 Open a command prompt on the second PC and verify that you can use the Ping command to ping the IP address...

Страница 51: ...reads the microSD card s configuration when it powers on and uses the stored configuration from the microSD card if the configuration is different than the configuration in the radio s memory Importan...

Страница 52: ...lorer or Firefox on your PC or other network enabled device To connect to the radio Important Your computer or other device must be connected to the same network as the RLX2 IHx series radio 1 Log int...

Страница 53: ...n display the help topic for any parameter on the webpage by clicking the parameter name The parameter name turns blue when you move the cursor over a parameter with a help topic There is also a short...

Страница 54: ...nc Page 54 of 248 4 1 2 Configuration Help Help is available for each item on the page To view a brief help message about any parameter on the screen move the cursor over the parameter until the param...

Страница 55: ...help about the selected parameter click the parameter name This action opens a help page in a new browser window To view the complete online documentation for the RLX2 IHx series radio click the butt...

Страница 56: ...changes made since you last clicked APPLY CHANGES on the RLX2 4 1 5 Factory Defaults Click FACTORY DEFAULTS to reset the radio to the original default settings Important This action discards all chang...

Страница 57: ...nc Page 57 of 248 4 2 Viewing Radio Status The RLX2 IHx series radio status parameters appear at the top of the RLX2 IHx webpage Note Different versions of the RLX2 IHx series radios and firmware supp...

Страница 58: ...e MAC address of the parent to which the radio is linked Branch Length The number of RF links from the radio to the Master radio Radios Linked The number of other radios that are linked to this radio...

Страница 59: ...to re scan the network and update the devices in the list Mac ID Displays the unique hexadecimal number that identifies an available Ethernet devices SSID Displays the network name Service Set Identi...

Страница 60: ...timum network communication Age s Displays the length of time in seconds since the radio last saw a packet from this MAC address device Hops Displays the number of hops to the Master device A value of...

Страница 61: ...LINKED RADIOS CLIENTS the table displays an additional RSSI column showing the Received Signal Strength RSS from each radio or client linked to the radio When you select ALL ADDRESSES the RLX2 IHx ser...

Страница 62: ...based on the setting of Ethernet Edge Port in the Spanning Tree configuration dialog Spanning Tree Root MAC The MAC ID of the root device in the spanning tree Priority Spanning Tree device with the lo...

Страница 63: ...shows the IH Browser application provided with the radios Notice it shows the radio named Hematite_4F linked to Amethyst_BD This link is shown with a red dotted line Also visible is the level of redu...

Страница 64: ...Radio Detailed Configuration Industrial Hotspots User Manual ProSoft Technology Inc Page 64 of 248 4 3 Configuring Basic Settings The BASIC SETTINGS tab includes three groups BASIC WIRELESS SETTINGS...

Страница 65: ...ote Different versions of the RLX2 IHx series radios and firmware support different functions There may be fewer or more parameters on this page depending on the version of the radio and firmware Para...

Страница 66: ...ccupies only two channels in that band However channels in the 2 4 GHz band are spaced only five MHz apart so 802 11n wide mode in the 2 4 GHz band occupies eight adjacent channels Since there are at...

Страница 67: ...then specify Client mode for this radio See Configuring a Bridging Client Radio page 44 Client This is a special mode that allows you to transparently connect a single Ethernet device to any non ProSo...

Страница 68: ...ding on your selections these in other parameters SECURITY MODE 802 11 MODE model RLX2 IHNF radio only MASTER REPEATER BRIDGING CLIENT or CLIENT radio modes The parameters in the Wireless Security Set...

Страница 69: ...don t support AES to connect to the radio This setting is available in all 802 11 modes TKIP AND WEP128 Allows client devices that don t support TKIP to connect to the radio This setting is only avai...

Страница 70: ...the selected MAC address from the list You first select the addresses to delete by selecting the checkbox next to the address Address Displays the acceptable MAC addresses that can connect to the rad...

Страница 71: ...IP WEP128 some clients using WPA might not be able to connect unless you use a WEP key other than number 1 due to limitations in these clients In such cases you should set WEP KEY number to a value ot...

Страница 72: ...to 9 a to f A to F directly in the WEP KEY parameter Note Clients often support more than one WEP key Packets received can be decrypted using any one of the keys if programmed but packets are always t...

Страница 73: ...mode parameters When in Repeater or Client mode the RLX2 IHx series radio Supplicant communicates via its Parent radio s authenticator with a RADIUS server Several different authentication protocols a...

Страница 74: ...S with MS CHAPV2 or MD5 This is the password of the account corresponding to the USER NAME Certificates Displays the current certificates installed in the radio and provides controls to upload new cer...

Страница 75: ...s radio does not distinguish between certificate types in any other way A CA Certificate is required for both PEAP and EAP TLS This is used to authenticate the server s certificate Additionally for EA...

Страница 76: ...address through DHCP Use the following IP address Select this to manually define IP address for the radio You must also enter the IP address information in the remaining parameters IP Address Specifi...

Страница 77: ...at the synchronized time interval and receive the broadcast packets However the power save mode is rarely used in industrial networks Additionally many industrial protocols utilize multicast traffic w...

Страница 78: ...IHx radios The standard 802 11 AP operation for transmitting broadcast messages is to accumulate them and then transmit them only on specific time intervals This allows clients in power save mode to...

Страница 79: ...o broadcasts not being transmitted when expected RLX2 IHx bridging will still function although the RLX2s will be responding to all scanning client devices which may introduce some jitter to data bein...

Страница 80: ...the time set by this control The main purpose of this control is to limit the duration of any congestion peaks that may occur on a channel that has high utilization In industrial networks most data pa...

Страница 81: ...54 00 60 00 10 2 or 3 39 00 43 30 81 00 90 00 11 2 or 3 52 00 57 80 108 00 120 00 12 2 or 3 78 00 86 70 162 00 180 00 13 2 or 3 104 00 115 60 216 00 240 00 14 2 or 3 117 00 130 00 243 00 270 00 15 2...

Страница 82: ...nd dynamically select the port s with the best signal However there are situations where performance may improve if fewer antenna ports are active If radios are very close together typically a few fee...

Страница 83: ...r radio roams automatically by calculating the cost for each roam candidate based only on RSSI and hop count A lower cost determines when a better Parent radio candidate is present The RLX2 IHx series...

Страница 84: ...the Repeater will allow the Parent selection algorithm to ignore any Blackout time that s been set to a Parent and allow an immediate reconnection attempt and prevent a lengthy connection outage This...

Страница 85: ...e cost comparison to determine when to roam only occurs when the current Parent s RSSI is below the Roam Threshold This allows the roam point to be controlled when a mobile platform travels a known pa...

Страница 86: ...RLX2 IHx series Repeater radio If not present the feature was disabled at the factory The AeroScout service listens on Port 1141 for commands from the AeroScout engine Parameter Description AeroScout...

Страница 87: ...icroSD card Personality Module feature of a RLX2 IHx series Repeater radio You can use the microSD card to save the radio s configuration This makes it easy to replace the radio with a new radio by mo...

Страница 88: ...he SD Card is different from the radio s current configuration the radio warns you by flashing the Signal Strength MOD and NET LEDs If you reboot the radio or cycle power to the radio it uses the conf...

Страница 89: ...e new password again in REPEAT 4 Click APPLY CHANGES The TIMEOUT parameter sets the time before a login session is terminated at the radio s web server Note Changing tabs and editing fields does not r...

Страница 90: ...ts User Manual ProSoft Technology Inc Page 90 of 248 4 5 Configuring Parent Link Settings You use the PARENT LINK tab to specify how a RLX2 IHx series Repeater Bridging Client or Client radio connects...

Страница 91: ...culation includes RSSI Stronger signals receive a lower cost Hop Count Fewer hops from the Master radio is given preference and therefore a lower cost Parent Branch Length Calculates the branch length...

Страница 92: ...ased on your selection for PREFERRED PARENT BEST IN LIST The radio selects its Parent radio using the Automatically Choose Best algorithm but limits the selection to the Preferred Parent list of radio...

Страница 93: ...series Repeater radio Parameter Description Roam Threshold Specifies a signal strength above which a stronger signal does not improve the quality of the link any further For signals that are above tha...

Страница 94: ...to temporary RSSI inversions between the current Parent radio and another candidate Make sure that that when Roaming that the RSSI difference between the current Parent radio and the new Parent radio...

Страница 95: ...the BASIC SETTINGS tab to make the Master radio SSID visible to other devices See Wireless Security Settings page 67 Disable SPANNING TREE on the ADVANCED NETWORK SETTINGS tab See STP Settings page 1...

Страница 96: ...is less than the Channels Scan value go to step 3 6 Otherwise once the Channels Scan channels have been scanned switch back to the current Parent s channel 7 Signal the current parent that we have co...

Страница 97: ...Probe Responses In an active scan a Probe Request is sent to the channel to elicit a Probe Response from a potential parent candidate The Probe Request contains the desired SSID therefore only APs tha...

Страница 98: ...k Settings You use the ADVANCED NETWORK SETTINGS tab to specify the IGMP Internet Group Management Protocol STP Spanning Tree Protocol SNMP Simple Network Management Protocol and Cable Break Detection...

Страница 99: ...s to all ports FILTER The radio filters unknown multicast packets and does not send them to any ports IGMP Query Generation Specifies the state of IGMP query generation in the radio DISABLED Disables...

Страница 100: ...etworks to synchronize time between devices Given the protocol uses multicast addressing a PTP packet sent by one device is sent over every wireless link in that network PTP is only needed amongst a s...

Страница 101: ...channel or even internally generated broadcast bursts which when transmitted simultaneously from multiple overlapping Masters can cause severe latency spikes The latter can sometimes unintentionally b...

Страница 102: ...Protocol STP If you enable Spanning Tree recommended the radio blocks redundant connections Additionally the radio flushes the Ethernet switch table when the network topology changes See Rapid Spanni...

Страница 103: ...ity Determines which device is the root of the RSTP The RSTP device with the lowest priority becomes the root bridge The accepted standard value for this is 32768 If wired switches exist in the networ...

Страница 104: ...io or Ethernet switch communicates with other RSTP devices in the network using packets called Bridge Protocol Data Units BPDUs Each device sends BPDUs out each of the devices ports In a wired switch...

Страница 105: ...adjacent RSTP devices to re negotiate the network topology This process takes only one to two seconds Each RLX2 IHx series radio contains a switch table that tells the radio how to forward Ethernet p...

Страница 106: ...change the radio configuration from any computer using SNMP Allow IP Specifies that only an SNMP manager with a particular IP address can change the radio configuration You must enter the IP address C...

Страница 107: ...o detect if the Radiating Cable between itself and the next or previous Master is broken or damaged When enabled this feature will produce an SNMP Trap whenever it detects an RSSI drop to one of its M...

Страница 108: ...anual ProSoft Technology Inc Page 108 of 248 4 7 Configuring Serial Settings You use the SERIAL SETTINGS tab to specify the serial communication parameters for a RLX2 IHx series radio Serial Settings...

Страница 109: ...ms on networked computers to send short messages or Datagrams The radio uses the serial port to transmit and receive packets Note In UDP mode if you enter a multicast group address in the REMOTE IP SE...

Страница 110: ...f your RLX2 IHx series radio Parameter Description Single IP URL Address Specifies the IP address or URL of the radio to receive encapsulated serial protocol packets from this radio Range of IP Addres...

Страница 111: ...ries radio Parameter Description Delineation Method Specifies the packet separator TIME GAP The radio uses a minimum time gap between characters that that the radio interprets as a delineator for a pa...

Страница 112: ...32 20 Space Tab 09 09 Horizontal Tab EOL Time Gap milliseconds Specifies the time gap the radio uses between packets when you select TIME GAP for DELINEATION METHOD This is the length of time that mus...

Страница 113: ...er of data bits for the serial port on the radio This must match the data bits setting on the connected serial device Values 5 6 7 or 8 Parity Specifies the parity for the serial port on the radio Thi...

Страница 114: ...e radio receives without any priority markings In addition you can map a priority value to packets received without priority markings according to a set of matching criteria Parameter Description QoS...

Страница 115: ...in the same row match SOURCE IP ADDRESS A parameter match occurs for all packets received from the device with this source IP address DESTINATION IP ADDRESS A parameter match occurs for all packets r...

Страница 116: ...net interface on all RLX2 IHx series radios You can only configure the VLAN for the Internal Application and SSID ports on the Master radio The Master radio pushes these settings to each connected Rep...

Страница 117: ...o still bridges received Ethernet packets that are VLAN tagged but does not act on the VLAN ID of the frame or add or remove any VLAN tags Ethernet ingress PVID SSID ingress PVID Specifies the PVID se...

Страница 118: ...ork The IP Address configured for the RLX2 IHx via the Basic Settings Tab must valid on the external network The IP Address used for the internal network and which must be configured as the default ga...

Страница 119: ...LAN IP Address becomes the IP Address the RLX2 IHx uses for its Ethernet interface When NAT is enabled the RLX2 IHx operates like a NAT router and this IP Address must also be the default gateway for...

Страница 120: ...ress that is configured Type The type of 1 1 NAT translation to be done Either 1 1 Src or 1 1 Dst must be selected The appropriate IP Address fields in the entry will be enabled depending on the setti...

Страница 121: ...s one sub component of a Software Image Webpage Version This is the version of the webpages that are available for management of the unit via its web interface Kernel Build This date identifies when t...

Страница 122: ...dio Update the firmware in the radio Send a ping command to a radio or other IP address View a list of client radios View a list of wired Ethernet nodes connected to the network View a list of all the...

Страница 123: ...ame time then waits for them to respond Broadcasts are limited to a local network and will not be passed through a router If there is a router between the PC running the IH Browser and the radio enter...

Страница 124: ...ist and Topology Views in the IH Browser main window The List View is the default view and shows a list of all the connected radios in a grid similar to a spreadsheet The Topology View shows a diagram...

Страница 125: ...or from the VIEW menu choose ZOOM OUT The Zoom to Fit button resizes the Topology View to fit the window or from the VIEW menu choose ZOOM TO FIT To sort radios alphabetically in the Topology View Th...

Страница 126: ...Control MAC address of the devices All ProSoft Technology devices have a MAC address in the form 00 0D 8D XX YY ZZ IP Displays the IP addresses assigned to the devices Mask Displays the network mask...

Страница 127: ...mage Displays the type of the firmware image that the radio is currently running PRIMARY or SECONDARY Each radio has two copies of operating firmware installed and the radio will automatically switch...

Страница 128: ...et for example 1d 4h 13m 25s Product Displays the model number of the RLX2 radio for example RLX2 IHA RLX2 IHG RLX2 IHFN RLX2 IHFN W or RLX2 IHW Image Ver Displays the name of the image file loaded in...

Страница 129: ...clients linked is indicated by the number of boxes and or a number Indicates signal strength between radios The width of the line is not calibrated but a wider line indicates a relatively stronger sig...

Страница 130: ...a from a previously created IH Browser XML file To export data from the IH Browser from the FILE menu choose EXPORT You can choose to include the data from the current Wireless Client Ethernet Nodes S...

Страница 131: ...mation dialog box shows information about the currently selected radio 1 In the IH Browser select click a radio in either the List View or Topology View 2 From the INFO menu choose PROPERTIES or right...

Страница 132: ...o Image Displays the type of the firmware image that the radio is currently running PRIMARY or SECONDARY Each radio has two copies of operating firmware installed and the radio will automatically swit...

Страница 133: ...ess of 0 0 0 0 You can assign a temporary IP address to assist with configuring the radio See Assigning a Temporary IP Address page 37 5 4 Assigning a Temporary IP Address A temporary IP address allow...

Страница 134: ...uld now appear in the IH Browser window with the temporary IP address 4 To set a permanent IP address for the radio see Configuring a Radio Getting Started page 38 5 5 Viewing Additional Data in the I...

Страница 135: ...the IH Browser List view or Topography view right click the radio and then click CONNECT o In the IH Browser List view or Topography view double click the radio o Open a web browser on your PC and th...

Страница 136: ...e for the radio Note that some parameters may be different from the image depending on your specific radio model Tip You can display the help topic for any parameter by clicking the parameter name The...

Страница 137: ...te the firmware in the radio 1 Download the radio firmware image from the Prosoft Technology website at www prosoft technology com and save it to a known location such as the Windows Desktop 2 Start t...

Страница 138: ...e to select an RLX2 IHx series and start a Ping Session with it 1 Start the IH Browser on your computer 2 To start the ping session do one of the following o From the VIEW menu choose SHOW PING STATIO...

Страница 139: ...f bytes sent on the ping Start and Stop Pinging Select this check box to log the beginning and ending of the ping session Every Send Select this check box to log every ping signal sent Every Receive S...

Страница 140: ...urrently selected radio Radios with wireless clients are identifiable as shown by the red outline in the List and Topology Views below 1 In the IH Browser select a radio in either the List View or Top...

Страница 141: ...choose ETHERNET NODES or right click the radio and choose ETHERNET NODES Parameter Description Refresh Specifies the data refresh interval in seconds or minutes Select MANUALLY to prevent the IH Brows...

Страница 142: ...SCAN LIST List entries marked with an asterisk indicate that the entry is an alternate path which you can also see if you select the Parents button from the toolbar in the Topology view blue lines li...

Страница 143: ...eries radio you must choose a channel and frequency range supported by the antenna See Appendix G Antenna Configuration page 217 SSID Displays the network name Service Set Identifier of the Ethernet d...

Страница 144: ...ncy link and up to 250 child radio frequency links Parameter Description Refresh Specifies the data refresh interval in seconds or minutes Select MANUALLY to prevent the IH Browser from automatically...

Страница 145: ...can save the Event Log to a text file for troubleshooting purposes Note The filter conditions that you set in the Event Log Filter dialog box affect both the display of events in the Event Log dialog...

Страница 146: ...ST to add it to the SELECTED EVENTS list An asterisk appears next to the event types in the Selected Events list You can double click on the event in the EVENT LIST a second time to remove it from the...

Страница 147: ...their current Parent radio in red The Show All Parents button or from the VIEW menu choose SHOW PARENTS ALL shows links to alternate Parent radios in blue If the Repeater radios can detect other radi...

Страница 148: ...ormance and aid in debugging The Serial Logging Dialog window can be opened by clicking on NETWORK SERIAL LOGGING or by clicking the LOGGING icon in the shortcuts bar 5 10 1 Serial Logging Dialog When...

Страница 149: ...sion All Selects all RLX2 IHx s in the list Specific SSID Selects the RLX2 IHx s by SSID The columns are sortable by clicking on the column header You can also utilize a group selection by using the s...

Страница 150: ...ProSoft Technology Inc Page 150 of 248 Output Directory Select the file location to store the Serial Logging Dialog files by clicking on the BROWSE button in the Output Directory parameter Within the...

Страница 151: ...events and state changes that took place during logging The Session Log is saved to the base Output Directory with the following format session_mm dd yyyy hh mm ss txt Example session_03 06 2019 13 5...

Страница 152: ...l Hotspots User Manual ProSoft Technology Inc Page 152 of 248 Example RLX2Master 10 23 1 111 03 01 2019 03 00 00 txt The time in the first file s name will be the time of the oldest print in the backl...

Страница 153: ...he Network1 SSID will be logged 1 Click the START LOGGING button at the bottom of the dialog The STOP LOGGING button activates once logging is started 2 While logging you can hide the Serial Logging D...

Страница 154: ...log has been received and is fully time synced Stopping The utility is stopping its logging session to the RLX2 IHx Resyncing The time sync is being reestablished occurs every hour Reconnecting Attemp...

Страница 155: ...ios on the network The RLX2 IHx must be running firmware RLX2_v0037F_R or later to use this feature The Settings Viewer Dialog window can be opened by clicking on NETWORK SETTINGS VIEWER or by clickin...

Страница 156: ...ess of their SSID 5 11 2 Display View The Settings Viewer Dialog window has three different views The Settings view displays the current setting values of any RLX2 IHx The Auto Compare view compares t...

Страница 157: ...lows you to browse the current settings of an RLX2 IHx radio Clicking on the symbol expands the parameter list The same can be achieved by double clicking anywhere in a row that has a symbol The sub g...

Страница 158: ...RLX2 IHx Series 802 11a b g n Using the IH Browser to Manage your Radios Industrial Hotspots User Manual ProSoft Technology Inc Page 158 of 248 Settings View Examples Basic Settings...

Страница 159: ...RLX2 IHx Series 802 11a b g n Using the IH Browser to Manage your Radios Industrial Hotspots User Manual ProSoft Technology Inc Page 159 of 248 Advanced Settings...

Страница 160: ...RLX2 IHx Series 802 11a b g n Using the IH Browser to Manage your Radios Industrial Hotspots User Manual ProSoft Technology Inc Page 160 of 248 Advanced Network Settings...

Страница 161: ...against other Repeaters and Masters against other Masters The largest group of Repeaters and the largest group of Masters with common settings becomes the Reference The differences between the Repeate...

Страница 162: ...ferences from the Reference Repeaters Two of the Repeaters have the same differences and are displayed in their own group labeled Group A Another Repeater has an additional difference from the Referen...

Страница 163: ...t the settings of the RLX2 IHx s in the imported settings file The comparison results are separated into 4 groups Units with Differences o Units that have one or more settings that are different than...

Страница 164: ...RLX2 IHx Series 802 11a b g n Using the IH Browser to Manage your Radios Industrial Hotspots User Manual ProSoft Technology Inc Page 164 of 248...

Страница 165: ...Page 165 of 248 5 11 3 Save Settings Button You can save the settings of all units that are known by the IH Browser so that they can be used as a reference when doing an Import Compare The SAVE SETTI...

Страница 166: ...Inc Page 166 of 248 5 11 4 Generate Report Button You can create a Word document that contains an expanded view of all the unit settings Click on the GENERATE REPORT button The GENERATE REPORT button...

Страница 167: ...RLX2 IHx Series 802 11a b g n Using the IH Browser to Manage your Radios Industrial Hotspots User Manual ProSoft Technology Inc Page 167 of 248 Report Example...

Страница 168: ...ence The IH Browser maintains a whitelist which allows the IH Browser to differentiate between detected APs that are meant to be present on that channel and APs that have come on line in the facility...

Страница 169: ...ed RLX2s section of the display with all RLX2 units that are present in the main view of the IH Browser These are the units that will be used as a source of Scan information to populate the other sect...

Страница 170: ...of the AP as measured by the detecting unit Note If more than one Connected RLX2s the same AP the table will display the information from the unit that measured the highest RSSI Detected By The name a...

Страница 171: ...wser to Manage your Radios Industrial Hotspots User Manual ProSoft Technology Inc Page 171 of 248 Right clicking on any AP row in the view will present the action menu below Only actions allowed or re...

Страница 172: ...displayed which means the APs have hidden their SSID In this case the only identification that can be used to find these APs are their MAC addresses 2 This COE system has 3 related SSIDs but have APs...

Страница 173: ...8 The selected APs now appear in the White List APs section as Active nodes The WL Added column now shows the time that these APs were added to the whitelist 5 12 2 Removing APs from the Whitelist If...

Страница 174: ...ng a Scan The Foreign AP Detection window requests new scan data from the Connected RLX2s every 120 seconds by default This value can changed using the Settings dialog see Section 5 12 4 The time to t...

Страница 175: ...his checkbox to use all Repeaters in Connected RLX2s as a source of scan data Scan Period Sets the time interval at which the IH Browser queries enabled Masters and or Repeaters for their scan informa...

Страница 176: ...t Click to import a whitelist file Note This will overwrite any whitelist currently being maintained by the Foreign AP Detection feature First perform an export to save the current whitelist if you wi...

Страница 177: ...m to the whitelist The directory the session log is written to is shown at the bottom of the Foreign AP Detection window To change the directory the log is written to click the SESSION LOG DIR button...

Страница 178: ...the bottom right of the window changed from CLOSE to HIDE Note that the IH Browser cannot be closed if the feature is running Clicking on the HIDE button closes the window but the feature remains act...

Страница 179: ...parameter by clicking the parameter name You can perform the following troubleshooting routines Check the Ethernet cable Check the LEDs on the radio Retrieve the default password by resetting the rad...

Страница 180: ...smitted over the air NET Blinks if SD card with new configuration inserted Reserved for future additional use MOD Blinks if SD card with new configuration inserted Reserved for future additional use S...

Страница 181: ...tings and returns to the default settings 6 3 1 Resetting the RLX2 IHNF W and RLX2 IHNF WC to Defaults These steps reset the radio to its default settings including the default password 1 Remove power...

Страница 182: ...0 seconds This resets the radio to its default settings You can now log in to the radio using the default password password 6 4 Unable to scan for AP s error message The Unable to scan for AP s error...

Страница 183: ...is most common in Windows XP and newer Open the Network connections folder in the Windows Control Panel then open the Local Area Connection Properties window and verify that the check box under INTERN...

Страница 184: ...ller Note You must download the RLX2 IHx series radio Add On Instruction from the ProSoft Technology website Go to www prosoft technology com and search for your radio From the RLX2 IHx series radio w...

Страница 185: ...00 Industrial Hotspots User Manual ProSoft Technology Inc Page 185 of 248 3 In the Select Module Type dialog box select the correct Ethernet card ENBT in this example and click OK 4 Enter a name for t...

Страница 186: ...ProSoft Technology Inc Page 186 of 248 5 In the Controller Organizer right click the new ETHERNET module and then click NEW MODULE 6 In the Select Module Type dialog box click ETHERNET BRIDGE GENERIC...

Страница 187: ...rial Hotspots User Manual ProSoft Technology Inc Page 187 of 248 8 Select the IP ADDRESS radio button and type in the IP address of the RLX2 IHx series radio and then click OK 9 In the Module Properti...

Страница 188: ...188 of 248 7 2 Importing the Add On Instruction 1 In RSLogix 5000 in the Controller Organizer window expand the TASKS folder until you see the MAINPROGRAM folder 2 Under the MAINPROGRAM folder double...

Страница 189: ...ual ProSoft Technology Inc Page 189 of 248 4 Navigate to the location on your PC where you saved the Add On Instruction for example Desktop Select the L5X file and click IMPORT 5 This opens the Import...

Страница 190: ...echnology Inc Page 190 of 248 6 Click OK to import the AOI A progress bar appears during the import 7 After the import completes the new rung with the Add On Instruction appears in the Ladder editor T...

Страница 191: ...ng a Radio to RSLogix 5000 Industrial Hotspots User Manual ProSoft Technology Inc Page 191 of 248 8 Ensure that a communications path exists using the Who Active dialog as shown 9 Save the project Whe...

Страница 192: ...000 to monitor elements of the RLX2 IHx series radio from RSLogix 5000 You use only the RLX2 xxx controller tag structure for this purpose 7 3 1 RLX2 CONTROL This array contains trigger bits used to r...

Страница 193: ...zzz 802 11g 2 4 GHz radio Bit sequence 0010 zzzz 802 11a 5 GHz radio Bit sequence 0011 zzzz 802 11n radio Example Bit sequence 0010 0100 36 Globally connected 5 Ghz radio RLX2 STATUS SignalStrength IN...

Страница 194: ...DINT Number of Transmitted Multicast Frames RLX2 STATUS TxBroadcastFrames DINT Number of Transmitted Broadcast Frames RLX2 STATUS RxDirectedFrames DINT Number of Received Directed Frames RLX2 STATUS R...

Страница 195: ...ilable for purchase from ProSoft Technology Description ProSoft Part Number Power Cable 3m 7 ft M12 to un terminated leads CULPWR M12 010 Power Cable 10m 33 ft M12 to un terminated leads CULPWR M12 03...

Страница 196: ...ots User Manual ProSoft Technology Inc Page 196 of 248 Contact Assignment of the M12 Socket BK Black and BU Blue wires are tied together and connect to BN Brown and WH White wires are tied together an...

Страница 197: ...upply adapter supplied with the optional RLX IHBTK Bench Test Kit to convert the input power The DC power wires must be less than 3 meters in length to meet regulatory requirements Warning When wiring...

Страница 198: ...ries radios POE 48I AC Power over Ethernet Injector AC input POE 48I DC DC Power over Ethernet Injector 9 to 36 VDC input voltage The radio shall be installed by trained personnel only as outlined in...

Страница 199: ...ernet Cable Specifications The recommended cable is Category 5 or better A Category 5 cable has four twisted pairs of wires which are color coded and cannot be swapped The module uses only two of the...

Страница 200: ...connectors on the other These are Power over Ethernet PoE cables that you can purchase directly from ProSoft Technology Description ProSoft Part Number Network Cable 2m 7 ft M12 to RJ45 CURJ45 M12 00...

Страница 201: ...4 2 Ethernet Cable Configuration all other radios The RLX2 IHx series radios except the RLX2 IHNF W weatherproof radio use Ethernet cable A diagram of the pin assignments appears below Straight Thoug...

Страница 202: ...e table below Parameter FCC Value ETSI Value ETSI Value 5 600 to 5 650 GHz Channels 120 124 128 Channel Availability Check Time 60 seconds 60 seconds 10 minutes Channel Move Time 10 seconds 12 seconds...

Страница 203: ...FS channel Repeater or Client radios connect to the Master and scan for radar for an additional 60 seconds Channel Availability Check Time If a chain of Repeater radios ultimately connects to a Master...

Страница 204: ...e 204 of 248 To Select a DFS Channel On the BASIC SETTINGS tab in the BASIC WIRELESS SETTINGS group select the starting DFS channel If the radio detects a radar signal on this channel it changes the c...

Страница 205: ...chnology Inc Page 205 of 248 To Use DFS Auto Select On the BASIC SETTINGS tab in the BASIC WIRELESS SETTINGS group select the Master radio channel DFS Auto Select With this selection the radio randoml...

Страница 206: ...han hardware physical wires Constraining data to a particular Virtual LAN requires that the radio tag packets with a VLAN identifier VLAN tagging simply adds extra information in the packet header of...

Страница 207: ...acity for 15 Each VLAN has access to a Managed Switch pre configured to assign each VLAN to a specific port The Radio supporting the Managed Switch passes on the 802 1Q frames This example shows suppo...

Страница 208: ...itches In the following example the network has three VLANs capacity for 15 Each VLAN has access to a specific Radio port The Radio supporting the Managed Switch passes on the 802 1Q frames The wirele...

Страница 209: ...to read the RLX2 IHx series radio diagnostic and status information Name Data Type Access Modbus Register RLX2_Diag SSID SINT 32 Read 30001 to 30016 RLX2_Diag IPAddress SINT 4 Read 30017 to 30018 RLX2...

Страница 210: ...d 30110 to 30111 RLX2_Diag rx_crc_error DINT Read 30112 to 30113 The following registers are available if the firmware in the RLX2 is RLX2_v0038_R or greater RLX2_Diag Retries INT Read 30114 RLX2_Diag...

Страница 211: ...ead RLX2_Diag MasterMACAddress SINT 6 Read RLX2_Diag HopCount SINT Read RLX2_Diag Status SINT Read RLX2_Diag NumAssociations INT Read RLX2_Diag NumBridgeAssocs INT Read RLX2_Diag TxRadioThroughput INT...

Страница 212: ...ioThroughput INT Read RLX2_Diag RxRadioThroughput INT Read RLX2_Diag Uptime DINT Read RLX2_Diag Linktime DINT Read RLX2_Diag TxPktThput DINT Read RLX2_Diag RxPktThput DINT Read RLX2_Diag ModuleName SI...

Страница 213: ...g Reserved4 DINT Read RLX2_Diag Reserved5 DINT Read RLX2_Diag Reserved6 DINT Read RLX2_Diag Reserved7 DINT Read RLX2_Diag Reserved8 DINT Read RLX2_Diag Reserved9 DINT Read RLX2_Diag Reserved10 DINT Re...

Страница 214: ...d RLX2_CRC Wireless_Sig DINT Read RLX2_CRC Config_Sig DINT Read RLX2_CRC Security_Sig DINT Read RLX2_CRC Web_Sig DINT Read RLX2_CRC SDCard_Sig DINT Read RLX2_CRC Rsvd1 DINT Read RLX2_CRC Rsvd2 DINT Re...

Страница 215: ...have the same channels available Also some channels may have usage or power restrictions for example indoor or outdoor in some locations FCC RLX2 XXX A versions ETSI RLX2 XXX E versions Channel Numbe...

Страница 216: ...x Series 802 11a b g n Appendix F Master Channel Frequency Table Industrial Hotspots User Manual ProSoft Technology Inc Page 216 of 248 136 DFS 5680 140 DFS 5700 149 5745 153 5765 157 5785 161 5805 16...

Страница 217: ...oft Technology Inc Page 217 of 248 13 Appendix G Antenna Configuration 13 1 Antennas There are several important electrical characteristics that you must consider when selecting antennas for a RLX2 IH...

Страница 218: ...aratus for the application and have entity parameters conforming with the table above 2 The associated nonincendive field wiring apparatus may also be connected to simple apparatus as defined in Artic...

Страница 219: ...the cable capacitance and inductance per foot are not known the following values shall be used Ccable 60 pF ft Lcable 0 2 H ft 5 The associated apparatus must be connected to a suitable ground electr...

Страница 220: ...true omnidirectional pattern in three dimensions An antenna is considered omnidirectional if one of its two dimensional patterns either azimuth or elevation pattern is omnidirectional Beamwidth is an...

Страница 221: ...olarization An antenna only receives the portion of the transmitted power that has the same polarization as the receiving antenna polarization For example If the transmitting antenna polarization is i...

Страница 222: ...directly to the client radio enclosure These antennas do not require a ground plane Articulating antennas and non articulating antennas work in the same way 13 2 2 Collinear Array Antennas A collinea...

Страница 223: ...beam out of the end with the shorter elements The pattern depends on the overall geometry including the number of elements element spacing element length and so on Sometimes the antenna is enclosed in...

Страница 224: ...front of the dish The feel antenna radiates power toward the reflector Due to the parabolic shape the reflector concentrates the radiation into a narrow pattern resulting in a beam with high gain The...

Страница 225: ...Omni 2 dB SMA RP 10H x 1 0 20 cm Collinear Array Omni 3 dB SMA RP 6H x 3 0 20 cm Collinear Array art Omni 5 dB SMA RP 19H x 1 0 20 cm Collinear Array Omni 5 dB SMA RP 19H x 1 0 20 cm Collinear Array...

Страница 226: ...4 Approved Antennas with Power Amp When the RLX2 IHx series radio is used in conjunction with the amplifier the antennas are limited to antennas listed in the following table Type Pattern Gain Connect...

Страница 227: ...For example radio signals bounce off metal walls which can compromise a clear signal Mount the antennas and install radios away from sources of RF interference Use the shortest possible antenna cable...

Страница 228: ...omnidirectional antennas Point to Point links using directional antennas are allowed higher EIRP 14 1 2 4 GHz Band Point To Multipoint Maximum Power From Radio Maximum Antenna Gain Maximum EIRP dBm mW...

Страница 229: ...ed 5 470 to 5 725 100 104 108 112 116 120 124 128 132 136 140 Indoor or Outdoor 24 250 30 1 UNII 3 5 725 to 5 825 149 153 157 161 165 Typical Outdoor 30 1000 36 4 14 4 5 GHz Bands Point To Point 5 GHz...

Страница 230: ...nt enclosure size for more efficient heat dissipation Faster more efficient electronics that consume less power Gigabit Ethernet MicroSD memory cards for configuration data storage Internal temperatur...

Страница 231: ...118H x 1 48 38D inches mm 5 82 148W x 4 64 118H x 1 48 38D inches mm Weight 1 1 lbs 499g 1 1 lbs 499g 1 1 lbs 499g 1 1 lbs 499g 1 06 lbs 479g 1 06 lbs 479g 1 1 lbs 499g Typical Power Consumption 9W 5...

Страница 232: ...36 40 44 48 149 153 157 161 165 Security WPA2 802 11i with 128 bit AES CCM Legacy WPA TKIP WEP support MAC ID filter Admin password Physical Enclosure Extruded aluminum with DIN and panel mount Size...

Страница 233: ...02 11g 1 to 11 FCC 1 to 13 ETSI Security WPA2 Enterprise 802 11i AES w RADIUS PEAP TTLS TLS EAP WPA2 Personal 802 11i AES w Passphrase Legacy WPA TKIP WEP support Physical Enclosure Extruded aluminum...

Страница 234: ...alues above 2 Antennas Subtract 2 dB from values above 1 Antenna Subtract 5 dB from values above Channel data rates 802 11n MCS0 through MCS15 1 Channel or 2 Channels with 1 Stream or 2 Streams 1 Chan...

Страница 235: ...3 N Type Connectors RLX2 IHNF W and WC Personality Module Industrial SD Memory Module No Personality Module on RLX2 IHNF W or WC Weight 1 1 lbs 499 g RLX2 IHNF 3 lb 9 oz 1 6 Kg less cables and pole mo...

Страница 236: ...Bm 11 Mbps 82 dBm 24 Mbps 75 dBm 54 Mbps Channels Selection 1 to 13 802 11b g 36 40 44 48 149 153 157 161 165 802 11a Security WPA2 802 11i with 128 bit AES CCM Legacy WPA TKIP WEP support MAC ID filt...

Страница 237: ...11a b g n Appendix K Application Examples Industrial Hotspots User Manual ProSoft Technology Inc Page 237 of 248 17 Appendix K Application Examples This chapter provides example applications using RLX...

Страница 238: ...sues North America Corporate Location Europe Middle East Africa Regional Office Phone 1 661 716 5100 info prosoft technology com Languages spoken English Spanish REGIONAL TECH SUPPORT support prosoft...

Страница 239: ...Encryption Standard AES along with 802 1x authentication and key management features 802 11n Uses higher modulation rates and packet aggregation to raise effective WLAN throughput to more than 100 Mb...

Страница 240: ...to indicate a particular set of frequencies Wireless networking protocols work in either the 2 4 GHz or the 5 GHz bands Bandwidth see Throughput Bridging Client Radio Mode A radio in Bridging Client m...

Страница 241: ...ected DHCP The dynamic host configuration protocol is an Internet protocol similar to BootP for automating the configuration of computers that use TCP IP DHCP can be used to automatically assign IP ad...

Страница 242: ...Telephones are an example of a full duplex communication system Both parties on a telephone conversation can talk and listen at the same time If both talk at the same time their two signals are not c...

Страница 243: ...dots Networks using the TCP IP protocol route messages based on the IP address of the destination Each number can be 0 to 255 For example 192 168 0 100 could be an IP address Each node on the network...

Страница 244: ...the MODICON controllers use for parsing messages During communications on a Modbus network the protocol determines how each controller knows its device address recognizes a message addressed to it de...

Страница 245: ...vice that supplies electrical power to the I O chassis containing the processor coprocessor or other modules Protocol The language or packaging of information that is transmitted between nodes on a ne...

Страница 246: ...um placement of access points to ensure that planned levels of service are met Site surveys are sometimes conducted following the deployment to ensure that the WLAN is achieving the necessary level of...

Страница 247: ...802 11 based wireless local area network WLAN products that have passed interoperability testing requirements developed and governed by the Wi Fi alliance Wi Fi Interoperability Certificate A statemen...

Страница 248: ...mic keys Extensible Authentication Protocol to secure network access and an encryption method called Temporal Key Integrity Protocol TKIP to secure data transmissions WPA2 An enhanced version of WPA I...

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