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Страница 1: ...User Manual Software Version 2 0 December 2010 P N 215801 BreezeMAX Si 4000 CPE zzAlvarion_ page...

Страница 2: ...n Mode Added a note Static IP is not supported by 4Motion equipment Ver 1 0M August 2010 Advance menu item Changed to Advanced Ver 1 0M August 2010 Chapter 5 Title Changed to Configuring WiFi Paramete...

Страница 3: ...010 General New CPE model BreezeMAX 4000 Si Premium New 3 3 3 4 GHz band Ver 2 0 October 2010 Setting Basic Parameters on page 44 Added Bridge IPCS and Bridge ETHCS support description Ver 2 0 Novembe...

Страница 4: ...egistered trademark of the WiMAX Forum WiMAX the WiMAX Forum logo WiMAX Forum Certified andtheWiMAX Forum Certified logo are trademarks of the WiMAX Forum Statement of Conditions The information conta...

Страница 5: ...AS IS basis Alvarion its affiliates or its licensors MAKE NO WARRANTIES WHATSOEVER WHETHER EXPRESS OR IMPLIED WITH RESPECT TO THE SOFTWARE AND THE ACCOMPANYING DOCUMENTATION ALVARION SPECIFICALLY DISC...

Страница 6: ...CONNECTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS Limitation of Liability a ALVARION SHALL NOT BE LIABLE TO THE PURCHASER OR TO ANY THIRD PARTY FOR ANY LOSS OF PROFITS LOSS OF...

Страница 7: ...for a class B digital device pursuant to part 15 of the FCC rules and to EN 301 489 1 rules These limits are designed to provide reasonable protection against harmful interference when the equipment i...

Страница 8: ...or near a swimming pool Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from lightning Do not use the telephone to report a...

Страница 9: ...Safety Information BreezeMAX Si 4000 CPE ix User Manual...

Страница 10: ...without notice Corporate and individual names and data used in examples herein are fictitious unless otherwise noted Alvarion Ltd reserves the right to alter the equipment specifications and descript...

Страница 11: ...PE xi User Manual the manufacturers Non compliance with such instructions may result in serious damage and or bodily harm and or void the user s authority to operate the equipment and or revoke the wa...

Страница 12: ...guring Setup Parameters Describes how to configure general parameters of the BreezeMAX Si 4000 CPE Chapter 5 Configuring WiFi Parameters Describes how to configure authentication security and WiFi par...

Страница 13: ...eral 8 1 3 2 WiMAX Radio 8 1 3 3 WiFi Radio 10 1 3 4 VoIP Specifications 11 1 3 5 Configuration and Management 12 1 3 6 Mechanical 12 1 3 7 Electrical 13 1 3 8 Environmental 13 1 3 9 Standards Complia...

Страница 14: ...terface 33 3 2 2 Applying Changes and Using Help 34 3 3 Configuring the CPE Using the WiMAX Modem Application CD 36 3 4 Operation Verification 40 Chapter 4 Configuring Setup Parameters 41 4 1 Introduc...

Страница 15: ...7 2 Authentication 71 7 3 Security 73 7 4 Firewall 75 7 5 MAC Filter 78 7 6 IP Filter 79 7 7 Port Forwarding Trigger 81 7 7 1 Port Forwarding 81 7 7 2 Port Trigger 82 7 8 Dynamic DNS 84 Chapter 8 Dis...

Страница 16: ...Contents BreezeMAX Si 4000 CPE xvi User Manual Chapter 10 Troubleshooting 105 Glossary 110...

Страница 17: ...1 Chapter Product Description zzAlvarion_ page...

Страница 18: ...Chapter 1 Product Description BreezeMAX Si 4000 CPE 2 User Manual In This Chapter Introducing the BreezeMAX Si 4000 on page 3 Safety Information on page 7 Specifications on page 8...

Страница 19: ...to wirelessly extend their services to customers in areas where the cost of cabling is prohibitive to deployment Remote residential areas can now benefit from high speed wireless Internet access Web...

Страница 20: ...el Number Ports 2 5 GHz 4M CPE4000 Si 1D 1V 2 5 1 data port RJ 45 1 VoIP phone port RJ 11 4M CPE4000 Si 2D 2V WiFi 2 5 Premium model 2 data port RJ 45 2 VoIP phone port RJ 11 WiFi 802 11b g 3 3 3 6 GH...

Страница 21: ...Wave2 Standard Compliant Air Interface WiFi for specific models Dynamic Host Configuration Protocol DHCP Built in web server for web based configuration Dual image firmware crash protection Password p...

Страница 22: ...he BreezeMAX Si 4000 BreezeMAX Si 4000 CPE 6 User Manual Auto provisioning with remote firmware upgrade IEEE 802 3 IEEE 802 3u Gateway mode Bridge mode for Management and VoIP IP CS Bridge mode ETH CS...

Страница 23: ...the device Do not use or store the device in dusty or dirty environment Do not attempt to open the enclosure There are no user serviceable parts in the device In case the device does not function pro...

Страница 24: ...X Channel Step Size In 250 kHz steps POTS One RJ 11 Power supply Input Universal range 100 240VAC Output 12V 2A DC Frequency 50Hz to 60Hz Current 0 8A WiFi SoC 3 5 GHz only RT2070 2 4GHz RF signal chi...

Страница 25: ...2 3 3 4 5 6 TPL Transmit Power Level 27 dBm typical maximum Transmit Power Dynamic Range 45 dB Channel Step Size In 250 kHz steps Synchronization Referenced to the WiMAX BTS Timing Module Frequency A...

Страница 26: ...nna Gain Typical 5dBi Premium model 7dBi Antenna Connectors None Embedded IPEX NOTE This section only applies to the 4M CPE4000 Si 2D 2V WiFi 2 5 and 4M CPE4000 Si 1D 1V WiFi 3 5 models Table 1 4 WiFi...

Страница 27: ...s Table 1 5 VoIP Specifications Item Description Voice Signalling Protocol SIP v2 RFC 3261 SDP RFC2327 RTP RTCP RFC 1889 RFC 1890 Voice Codecs g711 a law and u law g729a b g723 ILBC Voice Quality VAD...

Страница 28: ...call blocking T 38 fax relay Dial plan Call forwarding No Answer Busy All Do not disturb Redial Redial on busy Automatic call return MWI and VMWI message waiting indication Table 1 6 Configuration and...

Страница 29: ...maximum current 0 8A Output 12 VDC maximum current 2A Table 1 9 Environmental Specifications Item Details Operating Temperature 0 C to 40 C Storage Temperature 20 to 55 C Humidity Maximum 95 non cond...

Страница 30: ...scription Specifications BreezeMAX Si 4000 CPE 14 User Manual Standards IEEE 802 16e 2005 WAVE 2 IEEE 802 3 2005 10BASE T and 100BASE TX IEEE 802 3u IEEE 802 11b and 802 11g Table 1 10 Standards Compl...

Страница 31: ...2 Chapter CPE Installation zzAlvarion_ page...

Страница 32: ...Chapter 2 CPE Installation BreezeMAX Si 4000 CPE 16 User Manual In This Chapter Installation Requirements on page 17 Installation Procedure on page 18 BreezeMAX Si 4000 Hardware Description on page 21...

Страница 33: ...l 2 1 Installation Requirements This section describes how to install and connect the BreezeMAX Si 4000 2 1 1 Package Content The BreezeMAX Si 4000package includes the following components BreezeMAX S...

Страница 34: ...re file cabinets or metal film anti glare windows within 5 feet 1 5m of the modem Position the unit at least 5 feet 1 5m away from any wireless device such as WiFi enabled laptop or computer WiFi rout...

Страница 35: ...n to indicate valid Ethernet links 5 Align the unit or the fold out antennas so that you receive the strongest signal by monitoring the WiMAX LEDs on the front panel of the unit Functioning as a gatew...

Страница 36: ...insert it to the CDROM drive run the CPEAutoConfigTool exe program and follow the procedure described in Configuring the CPE Using the WiMAX Modem Application CD on page 36 8 Use your PC s web browser...

Страница 37: ...of system status indicators that simplifies installation and WiMAX network troubleshooting The figure below shows the BreezeMAX Si 4000 s LED locations The LEDs functionality is described in Table 2 1...

Страница 38: ...l Figure 2 1 BreezeMAX Si 4000 and BreezeMAX Si 4000 Premium Front Panel Power LED 1 WiFi Unused LED 3 WiMAX Signal Strength LEDs 4 7 Ethernet LED 2 WiFi LED 3 in 3 5 GHz models unused LED in 2 5 GHz...

Страница 39: ...een On The greater the number of WiMAX link status lights are on the better the performance WiMAX Link Status 6 Green On WiMAX Link Status 7 Green On Table 2 2 LEDs Status Indications 3 5 GHz Units LE...

Страница 40: ...failure On Power on Blinking The modem is booting blinking 25 seconds The modem is not functional or is being remotely managed e g software is being upgraded or application is loaded Stops blinking w...

Страница 41: ...Description Ethernet network port 10BASE T 100B ASE TX RJ 45 port Connects directly to the PC can also be connected to an Ethernet switch or hub to support more users and provide a data link to the l...

Страница 42: ...cription BreezeMAX Si 4000 CPE 26 User Manual Figure 2 2 BreezeMAX Si 4000 and BreezeMAX Si 4000 Premium Rear Panel RJ 11 VoIP Phone Port Power Socket RJ 45 LAN Port Reset button RJ 11 VoIP Phone Port...

Страница 43: ...the unit Some user configured parameters will be lost and must be reconfigured 2 3 4 WiMAX Antennas Two WiMAX antennas are included with the BreezeMAX Si 4000 for WiMAX communications The BreezeMAX Si...

Страница 44: ...includes internal antennas for local wireless connections to PCs To connect your PC using WiFi click the WiFi icon lower right corner of PC Click Find WLAN and select the name of WiFi network Click Co...

Страница 45: ...3 Chapter Commissioning zzAlvarion_ page...

Страница 46: ...Si 4000 CPE 30 User Manual In This Chapter Introduction on page 31 Configuring the CPE Using the Web Management Interface on page 33 Configuring the CPE Using the WiMAX Modem Application CD on page 36...

Страница 47: ...agement interface accessed using a PC Notebook with a web browser see Configuring the CPE Using the Web Management Interface on page 33 An automatic configuration tool provided on a CDROM for the subs...

Страница 48: ...CPE 32 User Manual Telephony SIP Server phone number authentication enable the phone Disabled Optional VoIP is disabled by default and should be enabled by the operator WiFi Enabled Enabled by default...

Страница 49: ...o automatically get an IP address from the unit If the unit s DHCP server is disabled you can set in the PC the IP address netmask and gateway manually using the following parameters IP address 192 16...

Страница 50: ...o the same menu item The displayed pages may vary depending on user privileges Use the Main Menu items and the specific sub items in the menu bar at the top of the window to configure settings for the...

Страница 51: ...put data in the specific window Reboot Click this button to restart your unit The device returns to the last applied settings Reconnect Click this button to attempt reconnecting the device to the Base...

Страница 52: ...tool delivered on a CDROM with the unit to automatically configure a CPE This procedure is usually performed by the subscriber 1 From the CDROM supplied with the unit run the CPE Auto Configuration To...

Страница 53: ...nstall window is displayed 4 Click Install If your CPE is powered up click OK for performing system reboot If not power on the CPE and click OK The tool starts the auto configuration process of the un...

Страница 54: ...on CD BreezeMAX Si 4000 CPE 38 User Manual 5 When the installation is complete an Installation Success window is displayed Click OK 6 Click Finish The CPE is now configured with the parameters from th...

Страница 55: ...Chapter 3 Commissioning Configuring the CPE Using the WiMAX Modem Application CD BreezeMAX Si 4000 CPE 39 User Manual Figure 3 8 Installation Complete...

Страница 56: ...operation of the unit examine the LED indicators on the front panel To verify data connectivity from the end user s PC or from a portable PC connected to the unit ping a known device in the network or...

Страница 57: ...4 Chapter Configuring Setup Parameters zzAlvario...

Страница 58: ...Si 4000 CPE 42 User Manual In This Chapter Introduction on page 43 Setting Basic Parameters on page 44 Setting Password on page 47 Setting Device Time Zone on page 48 Setting Device Name on page 50 Re...

Страница 59: ...the Setup pages the following message is displayed after clicking Apply Configuration setting After the configuration is applied a Prepare for Reboot message is displayed The system performs a reboot...

Страница 60: ...lowing table describes the configurable Basic parameters IMPORTANT Do not change parameters in this page unless specifically instructed by your service provider Doing so may cause your internet VoIP c...

Страница 61: ...has a different IP than data connection This IP is used for communication with the management server for web access from WAN ping etc Router mode forwards packets based on Layer 3 IP addresses Router...

Страница 62: ...ect this option new menu items are displayed for configuration WAN IP Address WAN Subnet Mask WAN Gateway Address DNS1 Domain Name System DNS2 DHCP DHCP Static WAN MTU WAN MTU Sets the WAN maximum tra...

Страница 63: ...password up to 19 characters 2 Enter the new password again for verification 3 Click Apply NOTE It is strongly recommended that you configure your own password If a password is not configured the man...

Страница 64: ...also be passed to telephone handsets connected to the unit s phone line connections depending on the capabilities of your phone The Device Time page displays the following information Current Local Ti...

Страница 65: ...tting Device Time Zone BreezeMAX Si 4000 CPE 49 User Manual Auto Adjust for Daylight Saving Time Select this check box to set the daylight saving time if the unit operates in a region that observes da...

Страница 66: ...ne will simplify access to the unit s GUI Setup menu You can type the device name followed by a dot in the address bar of the Web browser to login from LAN for example http mycpe The Device Name page...

Страница 67: ...hin a short period of time by the network once the device is operational after the reboot However you will not be able to make and receive calls until the voice line LED is lit on the front panel You...

Страница 68: ...5 Chapter Configuring WiFi Parameters zzAlvarion_ page...

Страница 69: ...Chapter 5 Configuring WiFi Parameters BreezeMAX Si 4000 CPE 53 User Manual In this chapter Introduction on page 54 WiFi Configuration on page 55...

Страница 70: ...oduction The BreezeMAX Si 4000 model for 3 5 GHz WiMAX band and the BreezeMAX Si 4000 premium model include an IEEE 802 11g and IEEE 802 11b radio interface for local Wi Fi communications The Wi Fi se...

Страница 71: ...p pages include configuration options for the radio signal characteristics and Wi Fi security 5 2 1 Wireless Settings The Wireless Settings page includes the following parameters Enable WiFi Interface...

Страница 72: ...able RTS Threshold Sets the packet size threshold at which a Request to Send RTS signal must be sent to a receiving station prior to sending the data frame The unit sends RTS frames to a receiving sta...

Страница 73: ...receiving stations that a frame is arriving This provides time for the receiving station to synchronize to the incoming data stream This parameter sets the length of the signal preamble that is used a...

Страница 74: ...ed users Refer to the next sections for details on various authentication options Default mode is Open System Encryption Data passing between the unit and clients must be protected from interception a...

Страница 75: ...can set the following Rekey Interval Time in seconds between renewals of authentication key Default 3600 RADIUS Server Remote Authentication Dial in User Service RADIUS authentication server RADIUS P...

Страница 76: ...e selected key is used for authentication and encryption on the Wi Fi interface Enter key values that match the key type and length settings Default Hex 128 bits no preset value Key Type Specifies key...

Страница 77: ...to a common Wi Fi interface WPA PSK is an authentication mechanism in which users provide credentials to verify that they should be allowed access to a network This requires a single password entered...

Страница 78: ...6 Chapter Configuring Local Address Parameters zzAlvarion_ page...

Страница 79: ...Chapter 6 Configuring Local Address Parameters BreezeMAX Si 4000 CPE 63 User Manual In this chapter Introduction on page 64 DHCP Server on page 65 Lease Status on page 66 Lease Reservation on page 67...

Страница 80: ...4 User Manual 6 1 Introduction This chapter describes how to configure internal unit parameters such as DHCP server details and leasing parameters NOTE Any changes to this section should only be carri...

Страница 81: ...ly assign a leased IP address to clients that connect to the device from the local network This option is applicable to IP CS modes only For Bridge IPCS and Bridge ETHCS this option is disabled DHCP S...

Страница 82: ...us The Lease Status page displays information regarding the leased IP address es Client Host PC Name Host PC MAC Address IP Address Remaining Lease Duration seconds Click Refresh to display the update...

Страница 83: ...e connected to the Ethernet ports and WiFi access point You can also add delete or modify the reservation settings Select Choose an IP to delete Host Name Enter a name to the host MAC Address Add a de...

Страница 84: ...7 Chapter Setting Advanced Parameters zzAlvarion_ page...

Страница 85: ...ezeMAX Si 4000 CPE 69 User Manual In this chapter Introduction on page 70 Authentication on page 71 Security on page 73 Firewall on page 75 MAC Filter on page 78 IP Filter on page 79 Port Forwarding T...

Страница 86: ...7 1 Introduction This chapter describes how to configure advanced parameters such as Firewall protection authentication methods security parameters filters for blocking the access of unauthorized clie...

Страница 87: ...tication page allows you to set the parameters for the authentication method in order to gain access to the WiMAX network The Authentication page includes the following parameters IMPORTANT Do not cha...

Страница 88: ...version of the Challenge handshake authentication protocol version 2 EAP TLS EAP Transport Layer Security available only if enabled by the operator When Authentication is enabled set the following par...

Страница 89: ...des the following parameters Enable Web login from Internet Select this check box to access the device from other networks When web login is enabled and a port is defined you can access the device fro...

Страница 90: ...r the destination address and click Ping The response will be displayed in the area below the Ping button To access from WAN use https CPE_WAN_IP_Address 8080 NOTE The Enable Ping From Internet option...

Страница 91: ...ommon hacker attacks However for applications that require unrestricted access to the Internet you can configure a specific client server as a demilitarized zone DMZ The following configuration parame...

Страница 92: ...twork from a public one in order to prevent outside access to private data The DMZ forwards the network traffic to specific hosts based on the protocol and port number UPnP Enable UPnP IGD Select this...

Страница 93: ...Si 4000 CPE 77 User Manual network that is not based on these protocols by marking the packet with an address suited to the foreign network Enable L2TP pass through Layer 2 Tunneling Protocol an open...

Страница 94: ...to the filtered group or delete them and also enable or disable filtering at different times The following configuration parameters are available Select Select this check box to add this row to delete...

Страница 95: ...ddresses to be filtered out by the security system You can add addresses to the filtered group or delete them You can also enable or disable filtering at different times The following configuration pa...

Страница 96: ...Si 4000 CPE 80 User Manual Enabled Select this check box to enable default or disable filtering for the specific table entry Use the Add or Del buttons to add the address to the filtered group or cle...

Страница 97: ...dress port number to an internal IP address port number Port Forwarding rules are created per port The Port Forwarding page enables managing and setup of the rules for Port Forwarding The following co...

Страница 98: ...t forwarding outbound traffic on predefined ports triggering ports causes inbound traffic to specific incoming ports to be dynamically forwarded to the initiating host while the outbound ports are in...

Страница 99: ...Application Name Enter a name for identifying this port trigger protocol Triggered Range Enter the trigger range 1 65535 Forwarded Range Enter the forwarded range 1 65535 Enabled Select this check bo...

Страница 100: ...NS and selecting the service provider The Dynamic DNS page includes the following parameters Enable DDNS Select this check box if the unit has a non static IP address to keep the domain name associate...

Страница 101: ...8 Chapter Displaying Status Details zzAlvarion_ page...

Страница 102: ...ils BreezeMAX Si 4000 CPE 86 User Manual In this chapter Introduction on page 87 Device Status on page 88 WiMAX Status on page 90 Software Status on page 95 Telephony Status on page 96 Certificate Sta...

Страница 103: ...chapter describes how to view and understand the various parameters that are currently set on your unit The Status menu item includes pages containing information on all the features of the device suc...

Страница 104: ...atus information periodically The following information is displayed Figure 8 1 Status Device Status Table 8 1 Device Status Parameters Item Description Operation Mode The mode for forwarding data pac...

Страница 105: ...mode IP Default Gateway acquired on the WAN interface is displayed Otherwise it is 0 0 0 0 IP Default Connection IP is connected to the network On Off Firewall Firewall enabled or disabled on off as s...

Страница 106: ...User Manual 8 3 WiMAX Status The WiMAX Status displays a summary of the WiMAX network connection parameters Click Refresh to display the current WiMAX connection status Click Auto to update the statu...

Страница 107: ...p track of its location BSID Base Station ID Depends on the BS to which the unit is connected CINR Carrier to Interference plus Noise Ratio in decibels dB a measurement of signal effectiveness A great...

Страница 108: ...dress RSSI Currently received signal strength indication 35 to 100 dBm Temperature Unit s temperature Overheat Indication of temperature higher than 40 TxPwr Current uplink transmit power Min Tx Power...

Страница 109: ...bytes Total number of bytes sent on Extended Real time Polling Service data packets RX bytes Total of downlink transmitted bytes WiMAX PHY DL Mode Downlink connection mode SISO MIMO MiMO A MIMO B DL m...

Страница 110: ...AX Status BreezeMAX Si 4000 CPE 94 User Manual DropPackets Tx only Number of packets that were dropped DropBytes Tx only Number of packets that were dropped Table 8 2 WiMAX System Parameters Continued...

Страница 111: ...ic installation removal of packages on a running system To install an IPKG Click Browse to load and install an Itsy Package Management System and click Upgrade To remove an IPKG Click Remove next to t...

Страница 112: ...h modify and terminate multimedia sessions such as Internet telephony calls VOIP Line 1 and Line 2 Status Registered or De registered in the SIP server This information should be confirmed by observin...

Страница 113: ...rmation such as serial number issuer of certificate type and expiration date Root CA certificates can be added or deleted using this page The page displays the following information in a table Certifi...

Страница 114: ...appears in this column To add a certificate click Browse and select the file to load Click Import to add the certificate to the list To remove an editable certificate click Remove next to the certifi...

Страница 115: ...nual 8 7 About This page displays the current information about the unit The information is set by the manufacturer as the factory defaults The information includes Service Provider Product Name WAN M...

Страница 116: ...9 Chapter Configuring Telephony Parameters zzAlvarion_ page...

Страница 117: ...Chapter 9 Configuring Telephony Parameters BreezeMAX Si 4000 CPE 101 User Manual In this chapter VoIP Parameters on page 102...

Страница 118: ...vider that includes one or two voice lines Setup of the modem is automatic and you will not need to make any changes to this page to have your voice service enabled however you may want to change some...

Страница 119: ...The VoIP page includes the following parameters User Name The SIP Session Initiation Protocol User name Its format depends on the Sip Server Password and Confirm Password The SIP user Password User A...

Страница 120: ...he network Call Waiting Enables suspending the current telephone call and switch to a new incoming call Default Enabled Call Waiting Timeout enter a number of seconds after which the call waiting is t...

Страница 121: ...10 Chapter Troubleshooting zzAlvarion_ page...

Страница 122: ...Chapter 10 Troubleshooting BreezeMAX Si 4000 CPE 106 User Manual In This Chapter This chapter provides a lists of things to check in case of problems before contacting local Customer Support...

Страница 123: ...the unit s IP address to verify that the entire network path between the two devices is functioning correctly Check that the management station has a valid network connection and that the Ethernet po...

Страница 124: ...rvice provider for service coverage information WiMAX Signal Strength LEDs are Off Change the location of the unit to a nearby window or an upper floor if possible Keep away from metal objects Check w...

Страница 125: ...X Si 4000 and BreezeMAX Si 4000 Premium model Front Panel Power LED 1 WiFi Unused LED 3 WiMAX Signal Strength LEDs 4 7 Ethernet LED 2 WiFi LED 3 in 3 5 GHz models unused LED in 2 5 GHz models VoIP LED...

Страница 126: ...Glossary zzAlvarion_ page...

Страница 127: ...node to select its optimum operational mode speed and duplex mode based on the capabilities of the node to which it is connected Best Effort BE One of the five QoS service types defined in the IEEE 80...

Страница 128: ...vides the capability for a networked device to notify a domain name server to change the active DNS configuration of its configured hostnames addresses or other information stored in DNS in real time...

Страница 129: ...tocol that extends TLS File Transfer Protocol FTP File Transfer Protocol A TCP IP protocol used for file transfer Hypertext Transfer Protocol HTTP Hypertext Transfer Protocol HTTP is a standard used t...

Страница 130: ...VPNs Media Access Control MAC Media Access Control The lower of the two sub layers of the data link layer defined by the IEEE The MAC sub layer handles access to shared media such as whether token pa...

Страница 131: ...nization DS Working Group Orthogonal Frequency Division Multiplexing OFDM Orthogonal Frequency Division Multiplexing OFDM allows multiple users to transmit in an allocated band by dividing the bandwid...

Страница 132: ...contending for the medium may not be aware of each other RTS CTS mechanism can solve this Hidden Node Problem If the packet size is smaller than the preset RTS Threshold size the RTS CTS mechanism wi...

Страница 133: ...on key TR 069 Technical Report 069 A DSL Forum technical specification entitled CPE WAN Management Protocol CWMP It defines an application layer protocol for remote management of end user devices It p...

Страница 134: ...that it is not transmitted over the network Wide Area Network WAN Communications network intended to connect between remote local area networks Wired Equivalent Privacy WEP Wired Equivalent Privacy W...

Страница 135: ...eless network s privacy and enterprise security There are two basic forms of WPA WPA Enterprise requires a Radius server WPA Personal also known as WPA PSK Virtual Private Network VPN A private commun...

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