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ProSoft Technology RadioLinx RLXIB-ICN Скачать руководство пользователя страница 127

RLXIB-ICN ♦ 802.11n

Glossary of Terms

Industrial Client

User Manual

ProSoft Technology, Inc.

Page 127 of 129

July 25, 2013

Index

8

802.11 • 113
802.11 Traffic • 33, 62
802.11a • 113
802.11b • 113
802.11g • 113
802.11i • 113
802.11n • 113
802.11s • 113

A

About the RadioLinx® RLXIB-ICN • 11
Access Configuration • 17, 23, 40, 54
Access Control List • 55
Access Point • 113
Access Points on this Card • 95
ACL • 113
Ad hoc Mode • 114
Adding and Configuring Additional Client Radios • 27
Address Table • 60
Admin Settings • 54
Advanced Configuration • 52
AES • 114
Agency Approvals & Certifications • 13
Agency Approvals and Certifications • 3
Amplifier • 114
AMSDU • 114
Antenna • 114
Antenna Gain • 106, 107, 109
Antenna location, spacing, and mounting • 106, 110
Antenna Pattern • 106, 109
Antenna Polarity • 106, 107
Antenna spacing requirements for user safety • 3
Antennas • 15, 106
ASCII • 114
Assign an IP Address • 22
Association • 114
ATEX Approval • 4
Authenticate • 114
Authentication Server • 114
Available Parent Alternates • 95
Available Parents List • 53
Available Parents List (by radio) • 53

B

Band • 114
Bandwidth • 114
Base Station • 115
Baud Rate • 115
bps • 115
Bridges • 97

C

CA Certificate • 77
Capturing Packets • 64
Channel • 115
Check the Ethernet cable • 33, 34
Child Links • 61
Client • 115
Collinear array antennas • 108
Configuration • 40
Configuration PC • 115
Configure Radios • 83
Configured Security Servers • 49
Configuring the Radios • 17
Connecting antennas • 30, 104, 106
Contacting Technical Support • 111

D

dBi • 115
dBm • 115
DCE • 115
Decibel (dB) • 115
Default Gateway • 116
Detecting the Radio • 22
Device Certificate • 77
Device-to-Device Network (Peer-to-Peer Network) •

116

DHCP • 116
Diagnostics • 33, 59
Diagnostics and Troubleshooting • 22, 33
Direct Sequence Spread Spectrum • 116
Directional Antenna • 116
Discovery Tool Menus and Toolbars • 98
Display tools • 89
Diversity Antenna • 116
Download Radio Settings • 81, 90
DTE • 116
Dual Band • 116

E

EAP • 116
EIRP • 116
Encryption • 117
ESD • 117
ESSID • 117
Ethernet Cable Configuration • 15, 21, 104, 105
Ethernet Cable Specifications • 15, 21, 104, 105
Ethernet Devices • 96
EU Requirements • 5
European CE certification • 5
Event Log • 85

F

Factory Reset • 70
File Menu • 98
Firewall Requirements • 85
Firmware • 117
Frequency Hopping • 117

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Содержание RadioLinx RLXIB-ICN

Страница 1: ...RLXIB ICN 802 11n Industrial Client July 25 2013 USER MANUAL...

Страница 2: ...BE NON HAZARDOUS THIS DEVICE CONTAINS A TRANSMITTER MODULE FCC ID PLEASE SEE FCC ID LABEL ON BACK OF DEVICE THIS DEVICE USES AN INTERNAL COMPACT FLASH RADIO MODULE AS THE PRIMARY RADIO COMPONENT THE...

Страница 3: ...A2405S OM 5 dBi A2405S OS 5 dBi A2406NJ OC 6 dBi A2406NJ OCD 6 dBi A2408NJ OC 8 dBi A2409NJ OCD 9 dBi A2502S OA 2 dBi A2504S OA 4 dBi A2506NJ OC 6 dBi A5003S OBH 3 dBi A5006NJ OC 6 dBi A5009NJ OC 9 dB...

Страница 4: ...2 213 M1987 This Device contains a Radio Transmitter Module FCC ID Canada IC Conforms to ANSI ISA Std 12 12 01 Certified to CSA Std C22 2 No 213 M1987 Class I Division 2 10 24 Volts dc 6 Watts 48 Volt...

Страница 5: ...0950 Safety The following is the appropriate label that is applied to the radio modem product line to indicate the unit is approved to operate with CE certification The following is the appropriate la...

Страница 6: ......

Страница 7: ...4 Install the WirelessN Discovery Tool 14 1 5 Install ProSoft Wireless Designer 15 1 6 Planning the Network 15 1 6 1 Installation Questions 16 1 6 2 ProSoft Wireless Designer 16 1 6 3 Planning the Ph...

Страница 8: ...1 Status 59 4 3 2 Address Table 60 4 3 3 Statistics 60 4 3 4 Child Links 61 4 3 5 802 11 Traffic 62 4 3 6 Tools 63 4 4 Utilities 66 4 4 1 Saving and Restoring Settings 66 4 4 2 Factory Reset 70 4 4 3...

Страница 9: ...3 6 2 Radio hardware 104 6 2 1 Radio Power Requirements 104 6 2 2 Ethernet Cable Specifications 105 6 2 3 Ethernet Cable Configuration 105 6 3 Antennas 106 6 3 1 Antenna Pattern 106 6 3 2 Antenna Gain...

Страница 10: ...RLXIB ICN 802 11n Industrial Client User Manual ProSoft Technology Inc Page 10 of 129 July 25 2013...

Страница 11: ...vides enterprise class technology optimized for rugged industrial performance and easy deployment in the field These 802 11n Hotspots use multiple input multiple output MIMO technology supporting up t...

Страница 12: ...data rates 802 11n MCS0 MCS15 1 2 Channels 1 2 Streams 1 Channel 2 Channels Rate Streams 7 Mbps 15 Mbps MCS0 1 Stream 72 Mbps 150 Mbps MCS7 14 Mbps 30 Mbps MCS8 2 Streams 144 Mbps 300 Mbps MCS15 Chann...

Страница 13: ...ded with your RLXIB ICN radio and are all required for installation and configuration Important Before beginning the installation please verify that all of the following items are present Qty Part Nam...

Страница 14: ...sting wired or wireless Ethernet network with a Static or Dynamic IP address for your computer Obtain from your system administrator an IP address Subnet Mask and Gateway address for each RadioLinx de...

Страница 15: ...ocation You can use the PC to configure the radios through the RadioLinx Configuration Manager If the plant is an oil refinery for example you might decide to install radios near the oil tanks The nex...

Страница 16: ...Radio type frequency range and country specific channel and power requirements Length type and estimated signal loss for cables Required accessories including lightning protection cable adaptors and...

Страница 17: ...ings The radio package includes the program CD power supply Ethernet cable and sometimes a small antenna You must install the antenna later but it is not needed to get started IMPORTANT If possible yo...

Страница 18: ...llowed by the SCAN icon magnifying glass Double click the listing of the next radio to configure and configure it as a repeater radio 9 Save the Radio Configuration Save the repeater radio settings by...

Страница 19: ...ty Module The radio comes equipped with a Personality Module The Personality Module feature consists of an SD card and the radio s capability to read and write configuration information to that card T...

Страница 20: ...nfigured with a Personality Module the radio writes the new configuration to the Personality Module when those settings are applied The radio accesses the Personality Module on bootup if present and w...

Страница 21: ...rnet cable the radio performs a startup procedure that includes a self test loading the main program and initializing the radio The front panel Power LED will turn Amber immediately after power has be...

Страница 22: ...If you still do not see a radio listing refer to Diagnostics and Troubleshooting page 33 1 7 5 Assign an IP Address You need the IP address to log into the RadioLinx Configuration Manager and configu...

Страница 23: ...Client Radio A client radio allows a user to connect an Ethernet device to a wireless network through any 802 11n access point Any Ethernet device that has an RJ45 Ethernet port can in effect be tran...

Страница 24: ...configuration of the access point Enter the user name in lower case no quotes The default administrator user name is admin The default password is password The user name and password are case sensitiv...

Страница 25: ...ettings Unit Name Enter a unique name for the radio Obtain IP Address by If a DHCP Dynamic Host Control Protocol server is configured on your local area network the DHCP server can assign IP addresses...

Страница 26: ...A or WPA2 Security setting enter the WPA Passphrase that is in the Access Point radio that you want the Client radio to link to The WPA WPA2 key is a pass phrase of between eight and 63 normal keyboar...

Страница 27: ...rtificate validity confirmation expired certificates cannot be used in 802 1X authentication To set the date and time click the UTILITIES button and then click UPLOAD Enter the date and time in the Sy...

Страница 28: ...Manual Industrial Client Page 28 of 129 ProSoft Technology Inc July 25 2013 1 8 Verify Communication The Roles column identifies the radio as a Client Observe the LEDs to ensure good link quality as...

Страница 29: ...their received signal strength is greater than 40dBm performance may be degraded Disconnect antennas from radios during bench testing or move the radios further apart from each other Tip To make it ea...

Страница 30: ...available alternate parents right click on the network diagram to open the context menu and then select SHOW ALTERNATE PARENTS A dashed green line indicates eligible potential parents in the network T...

Страница 31: ...nnas 1 Stream 1 Antenna Stream 1 2 Antenna Stream 1 3 Antenna Stream 1 2 Streams N A 1 Antenna Stream 1 1 Antenna Stream 2 1 Antenna Stream 1 2 Antenna Stream 2 improve the ability of the radio to rec...

Страница 32: ...129 ProSoft Technology Inc July 25 2013 determine and resolve sources of electrical noise which may be interfering with the radio transmission add a repeater between the radios that are not communicat...

Страница 33: ...graph This setting graphically shows the radio s signal strength Link Status field Connected The radio is currently connected to a Parent Associated The radio is associated with a Parent but is not c...

Страница 34: ...d for future use Ethernet If this green LED is on the Ethernet cable is connected If this LED is flashing an Ethernet packet is being transmitted or received Signal Strength If only one of these three...

Страница 35: ...econd disable any software firewall running on your PC This is most common in Windows XP and newer Open the NETWORK CONNECTIONS folder in your Windows Control Panel then open the LOCAL AREA CONNECTION...

Страница 36: ...passing under high voltage power lines are two common examples of background noise Unwanted noise or EMI on a data network can cause data transmission errors or stop a radio network from functioning...

Страница 37: ...guration Manager In This Chapter Login 39 Configuration 40 Diagnostics 59 Utilities 66 The RadioLinx Industrial Hotspot radio has a built in Configuration Manager radio web configuration form that all...

Страница 38: ...uration Manager You can also open the RadioLinx Configuration Manager directly from your web browser Important Your desktop computer laptop or PDA must be connected to the same network as the RadioLin...

Страница 39: ...indow 4 1 Login The login page authenticates users and ensures that only authorized users can view or modify this device s settings 4 1 1 Login User Name and Password The RLXIB ICN accepts two types o...

Страница 40: ...tion but not change it The default guest user name is guest The default password is password 4 1 2 Session Timeout For extra security administrators will be logged out of the radio automatically after...

Страница 41: ...agent both your computer and the radio must have IP addresses and these IP addresses must be on the same subnet Parameter Description Unit Name The name of the selected radio MAC ID The MAC address of...

Страница 42: ...r Network Administrator DHCP Dynamic Host Control Protocol is a service provided by a server typically a router or a firewall on a local area network Devices on a network that supports DHCP can reques...

Страница 43: ...nal to noise ratio of the parent link Current Channel The frequency channel used by the parent link if connected 11h status Select this check box to enable 802 11h dynamic frequency detection when ope...

Страница 44: ...as a 104 bit key WPA Personal WPA Wi Fi Protected Access is part of the wireless security standard 802 11i standardized by the Wi Fi Alliance It supports TKIP CCMP encryption default is TKIP The perso...

Страница 45: ...tion IPv6 Address The static IPv6 address to assign to the RLXIB ICN Device IPv6 Prefix Length The IPv6 network subnet is identified by the initial bits of the address called the prefix All hosts in t...

Страница 46: ...t capabilities You can also select 802 11a and 802 11g rates 6 9 12 18 24 48 and 54 Mbps as well as 802 11n MCS index values ranging from 0 to 15 assuming both Tx antennas are available for use If the...

Страница 47: ...e data such as Voice over IP VoIP Video High priority queue minimum delay Used typically to send time sensitive data such as Video and other streaming media Best Effort Medium priority queue medium th...

Страница 48: ...TTLS Tunneled Transport Layer Security EAP PEAP Protected Extensible Authentication Protocol Anonymous ID The Anonymous ID string is used as unencrypted identity with different EAP types Inner Authent...

Страница 49: ...RLXIB ICN radio Obtain this information from the administrator for the RADIUS server Timeout The time in seconds for an authentication attempt to time out after no response from the server The value...

Страница 50: ...ICN radio evaluates the link it has to its parent to determine if this link is the best parent to use A cost is calculated for each entry and can be seen in the column labeled Cost in the preceding ta...

Страница 51: ...hod uses a list of preferred parents List Priority compares the list of detected available parents to the prioritized list of parents to determine the preferred parent connection link List Weight This...

Страница 52: ...ote Each Radio s Parent Selection configuration is unique if the hardware supports two radios there will be two instances of the below configuration section one per radio Parameter Description Stale T...

Страница 53: ...A green dot in the leftmost column indicates the selected parent Available Parents List by radio Parameter Description MAC ID A unique hexadecimal number that identifies any Ethernet device SSID Netwo...

Страница 54: ...idate changes to the password New Password The password may contain only alphanumeric or _ characters Retype New Password The password entered in this field must match the one above for the password t...

Страница 55: ...ersions and can send traps to a specified community The MIB Management Information Base fields settings on this tab populate the current SNMP system information of the RLXIB ICN Parameter Description...

Страница 56: ...All Selects all SNMP access control rules in the table Delete Deletes the selected SNMP access control rule or rules Add Clicking this button will link to the SNMP Access Control Configuration page Tr...

Страница 57: ...agent Most agents are configured to listen for traps in the Public community Access Type The SNMP manager or trap agent can either be allowed to read and modify all SNMP accessible settings rwcommuni...

Страница 58: ...evel The authentication and encryption requirements for this user are defined here Parameter Description NoAuthNoPriv This allows the user to login without authentication or encryption AuthNoPriv This...

Страница 59: ...inted on the side of the radio Link Status Connected The radio is currently connected to a Parent Associated The radio is associated with a Parent but is not currently connected Connecting The radio i...

Страница 60: ...1 network You can filter the list with the following options Parameter Description Radios Directly Linked Shows only nodes that have a direct parent child connection to this device Devices out Etherne...

Страница 61: ...st packets sent over this device Collisions The number of packet collisions reported to the device over all configured APs Child Links Click to open the interface statistics page for the child links p...

Страница 62: ...s list may include 802 11 devices that are members of other SSIDs Parameter Description MAC ID The detected node s MAC address SSID The detected node s SSID if available Channel The broadcast channel...

Страница 63: ...network to test connectivity between this radio and the network Parameter Description IP Address The IP address where an ICMP echo request packet will be sent If the destination IP address is active...

Страница 64: ...gh the selected interface Ethernet Radio 1 or Radio 2 Note A detailed discussion of network packet analysis is outside the scope of this manual Refer to the documentation for your network protocol ana...

Страница 65: ...the capture file and open it in a network protocol analyzer Click DOWNLOAD to retrieve and open the capture file The following illustration shows the results of the capture in a in a network protocol...

Страница 66: ...Description Save Settings Saves the radio configuration to a backup file on your computer Restore From The path and filename for the file to restore Browse Opens a File Upload dialog box to locate and...

Страница 67: ...If you restore a saved configuration or reset the radio to its default configuration your current settings will be deleted permanently Always create a backup of the radio s current settings before re...

Страница 68: ...ge 68 of 129 ProSoft Technology Inc July 25 2013 2 In the File Upload dialog box locate the stored backup file and then click OPEN This action populates the RESTORE FROM field with the file name and l...

Страница 69: ...bar on the Save Restore tab indicates that the backup file is being transferred to the radio When the file transfer is complete the radio will reboot automatically to reload the restored configuratio...

Страница 70: ...configuration Settings cannot be retrieved unless they have been backed up Caution When the the factory reset operation is in progress Do NOT close the browser window Do NOT go online Do NOT turn off...

Страница 71: ...f 129 July 25 2013 Note Network operation will be interrupted while the radio reboots 3 When the radio has finished rebooting notice that it reappears in WirelessN Discovery Tool with an IP address of...

Страница 72: ...9 ProSoft Technology Inc July 25 2013 4 When the WirelessN Discovery Tool refreshes right click the radio and choose Manage to open the Radio Configuration Diagnostic Utility in your web browser page...

Страница 73: ...2 11n RadioLinx Configuration Manager Industrial Client User Manual ProSoft Technology Inc Page 73 of 129 July 25 2013 4 4 3 Rebooting the Radio Note Network operation will be interrupted while the ra...

Страница 74: ...t ways and provide different levels of functionality In order for your RLXIB ICN radio to communicate with other RLXIB ICN devices all radios on the network must use the same firmware version Importan...

Страница 75: ...estore Upload Uploads the firmware file from your PC to the RLXIB ICN 1 To upgrade the RLXIB ICN firmware save a backup copy of your settings first page 66 2 Click BROWSE to locate the firmware file 3...

Страница 76: ...ot close your web browser or navigate to other pages while the upload is in progress The radio will reboot automatically to load the updated firmware Note Network operation will be interrupted while t...

Страница 77: ...ce Click Choose File to find and select the signed device certificate file Upload Once the signed device certificate file is located and its path appears in the above location field click Upload After...

Страница 78: ...e uploaded certificates in the table Delete Deletes the selected uploaded certificate or certificates 4 4 5 View Event Logs This window displays the device s event log viewer You can record login atte...

Страница 79: ...e chosen severity are logged on the configured SysLog server For example if this is configured as CRITICAL then logs with severities CRITICAL ALERT and EMERGENCY are logged The severity levels availab...

Страница 80: ...RLXIB ICN 802 11n User Manual Industrial Client Page 80 of 129 ProSoft Technology Inc July 25 2013...

Страница 81: ...For each detected node you can set the IP address or upgrade the device firmware or launch the graphical management interface to access more comprehensive status and configuration options The Wireless...

Страница 82: ...ption in the View menu The Radio List has a table of detected radios in the network This table allows you to identify radios by role MAC address and device name If a particular radio has parents or ch...

Страница 83: ...buted network From this view you can also open details of a radio configure radios and upgrade radio firmware 5 3 Configure Radios The WirelessN Discovery Tool can do basic radio configuration changes...

Страница 84: ...rface via the IP address of the device 5 4 Scan the Network The scan settings dialog box is accessible via the Scan menu or by right clicking on device in the Topology view or Radio List view and choo...

Страница 85: ...are logged Network events including discovery messages from various devices User requested operation such as scan requests and configuration requests Errors in processing user requests or network eve...

Страница 86: ...pported radio The Name IP address and firmware version of the device are displayed here As well the device s Role one of Master Repeater Client will be displayed Client mode is for single radios only...

Страница 87: ...detected by the client and the relationships that exist or can exist between these network elements The Master Repeater and Client roles are presented visually in a color coded and vertically aligned...

Страница 88: ...m the selected device to eligible potential parents in the network Nodes in the topology diagram are grouped by SSIDs Nodes within an SSID network are enclosed by a light grey box The SSID of the netw...

Страница 89: ...r of the view by clicking on this option or using the key Zoom out Zoom in from the center of the view by clicking on this option or using the key Left Move the view in the display window to the left...

Страница 90: ...ht click context menu 5 9 3 Download Radio Settings A radio s configuration settings can be downloaded by selecting a radio and then clicking the Download Settings button on the toolbar Alternatively...

Страница 91: ...login credentials for the radio and the directory path for the settings file Enter the information and click OK to upload the settings for the radio 5 9 5 Upgrade Radio Firmware A radio s firmware can...

Страница 92: ...Assign IP Click this to change the device s IP address and subnet mask of the selected device Download Settings This command will open a prompt that allows you to download the device s configuration...

Страница 93: ...address of the bridge interface the Ethernet and Radio MAC addresses are shared Wireless Cards Certain device hardware versions support up to 2 physical WLAN cards Firmware version The radio firmware...

Страница 94: ...et Connected If the radio is part of the wired Ethernet network this field will show Connected 5 10 2 Radio Certain devices support up to two WLAN cards The card specific details are captured on these...

Страница 95: ...in general RSSI The received signal strength indicator in dBm of the parent it is an indicator of signal strength between this device and the available parent MAC ID The available parent s MAC addres...

Страница 96: ...e detected by ARP scans from the device and listed in a table on this tab The following information is displayed Parameter Description Name The identifier assigned to the Ethernet client if available...

Страница 97: ...is displayed Parameter Description Radio Name The name of the associated bridge node SSID The network over which this bridge node is accessible MAC ID The bridge s MAC address Channel the broadcast ch...

Страница 98: ...nter and set printer settings The Print command will print out the current view Radio List or Topology Choose Exit to close this Windows application and related processes 5 11 2 Scan Menu The scan men...

Страница 99: ...e to the display options this management utility has for showing supported radios and network information Each view presents radio and network information as well as related configuration options The...

Страница 100: ...el Toolbar These links are available in all views and are not specific to a particular radio in the network Button Description Radios This button will link to the Radio List view Topology This button...

Страница 101: ...enter the radio s username and password same as the management interface credentials and also indicate the directory on your host where the configuration file to upload is located Assign IP This butto...

Страница 102: ...RLXIB ICN 802 11n User Manual Industrial Client Page 102 of 129 ProSoft Technology Inc July 25 2013...

Страница 103: ...navailable the repeater connects to another Likewise if a repeater goes down any repeater that was connected to it can reconnect to a different repeater keeping the network intact You can create large...

Страница 104: ...ICN radio consists of the following components 1 Three antenna ports page 30 2 LEDs page 34 that indicate the status of the radio 3 Ethernet and serial cable ports page 105 page 105 4 Power connectio...

Страница 105: ...n 6 2 2 Ethernet 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...

Страница 106: ...ich it will exchange signals Complete antenna patterns are three dimensional although often only a two dimensional slice of the pattern is shown when all the antennas of interest are located in roughl...

Страница 107: ...he same effect as doubling the transmitting power Doubling both antenna gains has the same effect as quadrupling the transmitting power 6 3 3 Antenna Polarity Antenna polarization refers to the direct...

Страница 108: ...ing antennas work in the same way An articulating antenna bends at the connection 6 3 5 Collinear array antennas A collinear array antenna is typically composed of several linear antennas stacked on t...

Страница 109: ...the end with the shorter elements The beamwidth varies with antenna geometry but generally is proportional to the length where longer length produces a narrower beam The antenna gain page 107 varies w...

Страница 110: ...ounce off metal walls for example which can compromise a clear signal Mount antennas to minimize the amount of nearby metal structures in the antenna pattern Mount the antennas and install radios away...

Страница 111: ...umber 2 System architecture 3 Network details If the issue is hardware related we will also need information regarding 1 Module configuration and associated ladder files if any 2 Module operation and...

Страница 112: ...ft technology com Languages spoken include English Hindi North America location in California Tel 1 661 716 5100 E mail support prosoft technology com Languages spoken include English Spanish Latin Am...

Страница 113: ...rates of up to 54 Mbit sec Operates in the heavily used 2 4 GHz ISM band but uses a different radio technology to boost throughput 802 11i Sometimes Wi Fi Protected Access 2 WPA 2 WPA 2 supports the 1...

Страница 114: ...mitted and received radio waves to increase signal strength and thus the effective range of a wireless network ASCII American Standard Code for Information Interchange A communication mode in which ea...

Страница 115: ...reduce interference Client A client is a software program or the device on which that program runs that makes requests for information from a software program or the device on which that program runs...

Страница 116: ...for printer time and news servers Direct Sequence Spread Spectrum One of two approaches with frequency hopping spread spectrum for sorting out overlapping data signals transmitted via radio waves 802...

Страница 117: ...owing a pre determined sequence of frequencies The transmitting and receiving radios are programmed to follow the same frequency hopping sequence Frequency Hopping Spread Spectrum Changes or hops freq...

Страница 118: ...older unit of cycles per second One megahertz MHz is one million hertz One gigahertz GHz is one billion hertz The standard US electrical power frequency is 60 Hz 802 11a devices operate in the 5 GHz b...

Страница 119: ...twork Link point The graphical point next to a radio icon that represents the connection point for RF communications between radios An RF connection between two radios is called an RF Link and is repr...

Страница 120: ...at Point B MIMO technology uses multiple antennas to collect and organize signals arriving via these paths Modbus The Modbus protocol provides the internal standard that the MODICON controllers use f...

Страница 121: ...single master radio Point Multipoint Modbus Network A network with a single Master radio and multiple Remote radios The devices cabled to the radios communicate through the Modbus standard protocol T...

Страница 122: ...e networks via modems It is now being specified as part of the 802 11i standard to control access of users to wireless networks Any of several protocols can be used by the wireless client to communica...

Страница 123: ...communications circuit or system designed to either transmit data or receive data but not both Broadcast television is an example of simplex communication system A television station sends a TV signa...

Страница 124: ...at removes the predictability that intruders relied upon to exploit the WEP key In increases the size of the key from 40 to 128 bits and replaces WEP s single static key with keys that are dynamically...

Страница 125: ...cted Setup previously called Wi Fi Simple Config is an optional certification program developed by the Wi Fi alliance designed to ease set up of security enabled Wi Fi networks in the home and small o...

Страница 126: ...5 2013 WPA2 An enhanced version of WPA It is the official 802 11i standard It uses Advanced Encryption Standard instead of TKIP AES supports 128 bit 192 bit and 256 bit encryption keys Y Yagi Antenna...

Страница 127: ...nts List 53 Available Parents List by radio 53 B Band 114 Bandwidth 114 Base Station 115 Baud Rate 115 bps 115 Bridges 97 C CA Certificate 77 Capturing Packets 64 Channel 115 Check the Ethernet cable...

Страница 128: ...Overall 33 40 P Package Contents 13 Panel Antenna 121 Parabolic Antenna 121 Parabolic reflector antennas 109 Parent Selection 30 49 Peer to Peer Network 121 Personality Module 19 Ping 63 Pinouts 105 P...

Страница 129: ...ce Warranty 111 System Requirements 13 System Time 77 T Testing the Network Installation Plan 17 31 TKIP 124 Toolbars 100 Tools 63 Topology View 81 87 Traps List 56 Troubleshoot missing radios 19 33 3...

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