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ViewSonic

Wireless Media Gateway

Specifications

* Performance varies depending on environment.

WLAN Standards

IEEE 802.11g
IEEE 802.11b

54, 48, 36, 24, 18, 12, 9, 6 Mbps
11, 5.5, 2, 1 Mbps

Ports

WAN
LAN
USB

1
4
2

Compatibility

Operating Systems
Min. Sys. Req.

Windows

, 2000, XP Professional, XP Home

Pentium 200 Mhz or faster processor, 64 MB RAM recommended, CD-ROM drive

System Board Memory

Flash
SDRAM

16 MB
64 MB

Hard Drive

WMG80
WMG120

80 GB
120 GB

Antenna

Two external antennas

LED Status

LEDs

Power, Standby, WAN, WLAN, USB, Ethernet & Wireless Link/Activity

Networking Interface

Ethernet
Wireless

IEEE 802.3 10-base T, IEEE 802.3u 100-base T
IEEE 802.11g (2.4Ghz-OFDM)

Channels

1-11 United States, Canada

Output Power

100 mW e.i.r.p or Max 20 dBm e.i.r.p

Coverage Area

Up to 100 meters indoors
Up to 400 meters indoors

Wireless Security

64/128 bit WEP Encryption, (Windows

XP SP1 and Windows 2000 SP4 only), and

MAC address filtering

Regulatory/Certifications

FCC, IC, UL

Integrated VPN Pass-thru

Gateway

supports VPN (L2TP and IPSec) traffic

Physical Dimensions

Product with HDD

76 mm (H) x 148 mm (D) x 180 mm (W)
2.99” (H) x 5.83” (D) x 7.08” (W)

Weight

Net
Gross

2.5 lbs. (1.1 kg)

4.8 lbs. (2.2 kg)

Содержание Wireless Media Gateway WMG120

Страница 1: ...User Guide Wireless Media Gateway WMG80 WMG120 ...

Страница 2: ...erein nor for incidental or consequential damages resulting from furnishing this material or the performance or use of this product In the interest of continuing product improvement ViewSonic Corporation reserves the right to change product specifications without notice Information in this document may change without notice No part of this document may be copied reproduced or transmitted by any me...

Страница 3: ...res 3 General Requirements 4 Package Contents 5 Safety Notice 6 Front Panel LEDs 7 Back Panel Ports Chapter 2 Set up the Gateway Step 1 Connect the Gateway 10 Step 2 Set your PC to DHCP 12 For Windows 2000 or XP 12 Step 3 Configure the Gateway 15 Login 15 The Primary Setup tab 16 Time Zone 16 Internet 16 LAN 17 Wireless 17 Security Mode WEP 18 ...

Страница 4: ... Settings 30 Remote Administration 31 Routing 31 Logging 32 MAC Clone 34 DNS Proxy 34 Dynamic DNS 35 Service Timeout 35 IP Reassembly Configuration 36 Monitor 36 The Security tab 37 Corporate Outbound Inbound 37 Self policy 39 Filtering 40 The Utilities tab 48 Save Settings vs Logout 48 Factory Default 49 Upload backup Configuration 49 Restart Router 50 Firmware Upgrade 51 Upgrade Media Server App...

Страница 5: ...Chapter 4 Set Up the Print Server Step 1 Access the Internet 58 Step 2 Install printer driver 58 Step 3 Connect a USB printer 58 Step 4 Turn PC on 59 Step 5 Set up the print server 60 Step 6 Test printer connection 63 Chapter 5 Troubleshooting Maintenance Getting Help Checklist 64 Troubleshooting Solutions 65 Customer Support 69 Maintenance Instructions 70 Firmware Updates 70 Software Updates 70 C...

Страница 6: ...ViewSonic Wireless Media Gateway v Table of Contents continued Appendix Specifications 75 Limited Warranty 76 Glossary 78 ...

Страница 7: ...rage device It features a hard drive to store digital media entertainment Two USB ports and the internal print server provide support for USB printers and additional external storage devices Set up is quick and easy with the included set up instructions Important If you are using the WMA to see pictures the pictures have to be JPEG format that are stored on the WMG hard drive The WMA can support o...

Страница 8: ...2 Typical Setup A typical setup for the Gateway shown below starts on the next page Internet Modem PC Wired WMG80 WMG120 Media Gateway USB Adapter PC PC Card Laptop Game Console WMA100 Media Adapter TV Projector USB Printer Basic Setup ...

Страница 9: ...rom Internet intruders Wireless security includes 64 bit 128 bit WEP WPA and MAC address filtering Create a wireless network for your home or office Create a local area network LAN and share a single high speed broadband connection files printers and other peripherals between all your computers Support for USB printers and external devices Includes two USB ports for external printers and additiona...

Страница 10: ...4 General Requirements Personal Computer or notebook Broadband modem DSL cable or ISP 5 0 or newer Microsoft Internet Explorer or Netscape navigator to view and use the Gateway web based configuration screens Available AC power outlet ...

Страница 11: ... to make sure all of the items shown below are included in the package For information on optional accessories and products go to www viewsonic com WMG80 WMG120 Gateway Quick Start Guide Power Cord and Adapter Ethernet LAN Cable 6 feet Networking Companion CD ...

Страница 12: ...ing the device The device should only be repaired by authorized and qualified personnel Do not try to open or repair the device yourself as this voids the warranty Do not place the device in a damp wet or humid location like a bathroom Do not expose the device to direct sunlight or other heat sources The housing and electronic components may be damaged by direct sunlight or heat sources ...

Страница 13: ...ransferring 100Mbps 1 2 3 4 Blinking Green data is transferring STATUS Solid Green unit is ready Blinking Green HDD is in Standby mode but the Gateway is still operating fully POWER ON Solid Blue indicates the hard drive is running WAN Cable or DSL modem Solid Green there is a connection Blinking Green data is transferring WLAN Solid Green Wireless LAN is working USB LED Solid green USB on indicat...

Страница 14: ... LEDs on the front of the Gateway indicate which LAN port s are active RESET 1 To restart the Gateway press and hold RESET for one second the STATUS LED turns off release RESET quickly or 2 to return the settings back to the factory default settings press and hold for 6 seconds then release POWER IN jack to AC power wall outlet or power strip with surge protection ...

Страница 15: ...r has the following steps Step 1 Connect the Gateway Details start on the next page Step 2 Setup your PC to the DHCP setting Step 3 Configure the Gateway Step 4 Set up your network IMPORTANT To transfer content from your PC to the Gateway hard drive see Chapter 3 File Management in this guide Ethernet cable DSL or cable modem Ethernet cable LAN port LAN port WLAN port Chapter 2 Set up the Gateway ...

Страница 16: ...ork hardware is turned off including the Gateway computer s and cable or DSL modem 3 Connect the Ethernet cable from one of the LAN ports on the Gateway to the Ethernet port on your computer Optional connect another Ethernet cable from another LAN port on the Gateway to an additional computer or network device You can also connect another Ethernet cable from the WAN port on the Gateway to your cab...

Страница 17: ...o the Power Cord Connect the Power Cord to an AC Wall Outlet or a power strip with surge protection The blue POWER light on the front turns on The Gateway is ready to configure when the green STATUS light turns on Back of Gateway Power Jack AC Power Adapter to Power Cord AC Wall Outlet Front of Gateway POWER ON Blue LED Other LEDs are green ...

Страница 18: ...ollows may be already set to DHCP by default For Windows 2000 or XP 1 Click the Windows Start button Control Panel Network and Internet Connections Local Area Connection The Local Area Connection Status screen appears as shown on the right 2 From the General tab usually appears selected by default click Properties The Local Area Connection Properties screen appears in the next step ...

Страница 19: ...x next to Internet Protocol TCP IP if it isn t already checked by default Highlight Internet Protocol TCP IP if it isn t already highlighted automatically Click Properties The Internet Protocol TCP IP Properties screen appears as shown in the next step ...

Страница 20: ...ViewSonic Wireless Media Gateway 14 4 Select Obtain an IP address automatically Click OK OK Close to complete the PC configuration 5 Restart your PC if prompted ...

Страница 21: ...ll lowercase letters Later on we recommend changing the default to your own password for added security using the Advanced Settings tab Click OK The Primary Setup screen appears as shown in the next step Bas ic S etti ngs De faul t Internet Configuration Type Automatic Configuration DHCP Wireless Media Gateway IP Address 192 168 1 1 Wireless Media Gateway Subnet Mask 255 255 255 0 Gateway Password...

Страница 22: ...s IMPORTANT The Primary Setup screen displays different features depending on which Internet Connection Type you select Select one of the following Dynamic IP Setting DHCP Automatic Configuration If you are connecting through DHCP or a dynamic IP address from your ISP keep this default setting Static IP Address If your ISP assigns you a Static IP Address select Static IP Address More fields appear...

Страница 23: ...work then keep the default setting 11b g 11g Only Default for optimal performance If you have 802 11g devices select 11g Only This will give you the best wireless performance Channel change as needed recommended especially if you experience interference with other wireless routers in the vicinity SSID the default viewsonic is automatically entered No change is necessary Security select one Disable...

Страница 24: ... hex can be 0123456789abcdef in Key 1 2 3 or 4 fields Be sure to write down that key for later configuration on the client side For 128bits 26 hex For 64bits enter 26 hex can be 0123456789abcdef in Key 1 2 3 or 4 fields Be sure to write down that key for later configuration on the client side You re done with the basic setup Go to Step 4 Set up your network For more information see the Troubleshoo...

Страница 25: ... 168 5 1 Launch your browser to connect to the WLAN router The Home page appears showing your Wireless Cable DSL router information and current status The WAN tab To configure your network from the Advanced Setup tab select the WAN tab shown on the right To connect to the Internet click Setup Wizard from the pull down menu or to setup your WAN connection manually select Connection The Setup Wizard...

Страница 26: ...e right select Internet Settings recommended for PPPoE or Ethernet click Next The Internet Connection screen appears shown below Select the type of WAN connection you have WAN Ethernet for cable modem The WAN Ethernet Configuration screen appears as shown on the next page WAN PPPoE for DSL Click Next ...

Страница 27: ...screen shown on the right enter the DHCP Client Host Name click DHCP Client Information The DHCP Client Dynamic Interface screen appears as shown below with information only Or If you are using Static IP to connect to the WAN in the RIP Configuration section select Disable Submit The WAN Ethernet Information screen appears as shown on the next page ...

Страница 28: ...onnection From the Primary Setup tab Advanced Setup WAN tab Setup Wizard Internet Settings Next WAN PPoE Next enter the information on the screen shown on the right as required by your ISP to complete the connection To confirm your PPPoE setting click Submit or Clear to reset ...

Страница 29: ... To set up a VPN Virtual Private Network connection to your ISP click the WAN tab select Setup Wizard select Creating a VPN Connection The VPN Connection screen appears 2 Select the type of of Internet Connection you have PPTP Client or IPSec click Next ...

Страница 30: ...ViewSonic Wireless Media Gateway 24 1 To complete the VPN connection have all the information that your service provider requires Click Submit to accept the changes The VPN POLICIES screen appears ...

Страница 31: ...pto map associated with a VPN connection IPSec can provide data integrity and security It can be used to protect one or more data flows between a pair of hosts between a pair of security gateways or between a security gateway and a host Click Manual tab to set up the IPSec Policies manually The Manual screen appears as shown on the next page ...

Страница 32: ... generate the encryption and authentication keys to be used by IPSec Policy Name Name the filtering rule whose traffic is protected by IPSec Status Select DISABLE or ENABLE Source IP address Select the source IP address to be filtered Source Port Select the source service port to be filtered Destination IP Address Select the destination IP address to be filtered Destination Port Select the destina...

Страница 33: ...ssociations Policy Name Naming the filtering rule whose traffic is protected by IPSec IKE management Source IP address Specify the source IP address to be filtered Source Port Specify the source service port to be filtered Destination IP Address Specify the destination IP address to be filtered Destination Port Specify the destination application service port to be filtered Protocol Specify the pr...

Страница 34: ...m the screen shown on the right click the WAN tab for the pull down menu click Setup Wizard the Setup Wizard screen appears select Internet Settings Next the Internet Connection screen appears as shown select the type of Internet connection that you have Next ...

Страница 35: ...lect Enable DHCP Server for LAN client PCs to obtain IP address automatically 3 If DHCP Server is enabled enter the gateway for clients usually the same for LAN IP Address 4 Enter the DNS IP address to enable WMG to forward DNS requests from client to WAN 5 Enter the Lease Duration time the default is 43200 seconds This gives you a limited time to designate the IP address When the Lease Duration e...

Страница 36: ...dministrator to log the information monitor the traffic flow and other advanced settings select the Advanced tab System Settings System Settings To change the password for the WMG and to establish the Admin Session Timeout select the Advanced tab System Settings The default session timeout is 30 minutes ...

Страница 37: ...e through WAN side You can also manage the device anywhere Routing In this section you can view and change the Routing Table of WMG All the updated routing table and RIP Records are listed in this menu Static routing allows all packets are forwarded via a fixed path To add a static route click AddRoute 1 Indicate the routing interface 2 Fill in the destination IP address and its subnet mask 3 Fill...

Страница 38: ...rd and send The log can be delivered to the administrator by SMTP service by email General Log Email all the log information will be recorded and sent within the log time assigned Alert Log Email only the alert message will be recorded and sent within the log time assigned Click the Log Message Types on the upper right hand corner to pick the types of information from the screen shown on the next ...

Страница 39: ...ooding Ping of Death IP Spoofing Unauthorized Login Win Nuke IP Option Attacks General Log System Error Messages Deny Policies Allow Policies Content Filtering Data Inspection General Attack Unavailable Policies Authorize Login Configuration Changes Access Statistics Allow VPN Messages Verbose ...

Страница 40: ...e WAN MAC address to other It is not recommended that you change the default MAC address unless required by your ISP DNS Proxy Enter a DNS Server Address if you wish to use the one provided by your ISP DNS stands for Domain Name System It translates domain names into IP address ...

Страница 41: ...t You can configure WMG to cut the internet connection after it has been inactive for a specified period of time If our internet connection has been terminated due to inactivity connect on demand enables the router to automatically re establish your connection as soon as you attempt to access the internet again In the Default Service timeouts field enter the number of seconds you want to have elap...

Страница 42: ...teway 36 IP Reassembly Configuration Fragmentation breaking a packet into smaller units when transmitting over a network medium that cannot support the original size of the packet Monitor User can see the log data in this section ...

Страница 43: ...see all the filtering rules in order at this page You can always move the rule order to higher priority by clicking up and down arrow on the upper right hand side Outbound it will filter the traffic comes from internal Corporate inside Inbound it will filter the traffic come from remote site ISP or other VPN partner Click Add to put in more security rules In the Place Rule column you can directly ...

Страница 44: ...in user IP address access right Source Port The source port here indicates the service port number for the application such as Telnet HTTP and so on Destination IP Select Other if to restrict the service from a particular remote server Destination Port This port number specifies the service required to the remote server The port number here is the virtual connection point through which a computer ...

Страница 45: ...ViewSonic Wireless Media Gateway 39 Self policy You can pick the pre setting rule to enhance the security policy ...

Страница 46: ... required detection rules The WMG enables the user to set its preferred filter configurations and thus design a variety of possibilities for customized traffic direction and service detection mechanisms IN WMG the filtering mechanisms allow user to set the rule by single user by host name and IP address or a group of users User filtering You can set the user who has the right to access WMG by assi...

Страница 47: ...P Address filtering IP Address Filtering allows you to select certain IP addresses are able to pass through the WMG or not In IP Address Screen you could see the list of all setting you have made If you wish to add more IP listed select Add to specify more IP ...

Страница 48: ...r is used by the application Common applications are defined by IETF Service numbers for other applications are typically chosen from the range of 1024 to 65535 by the authors of the application Type in the Service Name you wish to call the assign the corresponding service port either by single and range type If you know that application uses either TCP or UDP select the appropriate protocol Click...

Страница 49: ...n to enforce the security rules The schedule menu is shown below Click Add to create a new schedule Window Name Name your scheduling rule Working Date Specify the date Working Hours Specify the active working hours by indicate the open hour and minutes to closed hour and minutes ...

Страница 50: ...ay 44 MAC address filter In the MAC Address Filter screen you can insert the MAC address you want to control WMG allows you to filter 5 MAC addresses When you finish remember to mark the Enable Filtering box to enable this function ...

Страница 51: ...ontrol page click Add to get into web control configuration The WMG allows you to restrict access based on Web application such as Proxy service Java ActiveX and URL extension If you want to record all the denied operation check the box to enable Log on Denied Operations 1 Click the Security tab for the pull down menu 2 Select Parental Control The Web screen appears as shown on the right 3 Click A...

Страница 52: ...AN IP addresses to one single public address on Internet In Many to many configuration it translates multiple LAN IP addresses to a range of public addresses This will be used when your service provider provide you a range of IP addresses DMZ A DMZ Demilitarized Zone is a buffer zone between the Internet and your private networks It can be a public network typically used for Web FTP and E Mail ser...

Страница 53: ...y 47 Firewall Attacks Firewall is a security measures that protect the resources of the local network from intruders First click either Enable or Disable to activate or deactivate the Firewall Rule Click SUBMIT to accept the setting ...

Страница 54: ...t to your WMG hard drive Save Settings Factory Default Upload Backup Configuration Restart Router Firmware Upgrade Save Settings vs Logout To create a saved file of the current configuration settings of the WMG select the Utilities tab Save Settings click Yes Or click Logout at the top of the screen Logout saves your settings automatically A screen appears click Logout ...

Страница 55: ...ad backup Configuration You could save the completely configure setting by clicking yes WMG will save the current configuration to the location you select If you ever lose your settings or your settings are changed and the WMG stops functioning properly click Browse to locate the saved settings file you created and then click upload to restore the saved settings ...

Страница 56: ...ViewSonic Wireless Media Gateway 50 Restart Router If the WMG stops responding highlight the Utilities tab click Restart router to reboot ...

Страница 57: ...e 2 Login to the WMG web based utility http 192 168 1 1 3 Select the Advanced Setup tab From the Utilities menu shown on the right click Firmware Upgrade 4 On the next screen click Browse Go to the folder where you downloaded in step 1 the latest firmware file from the ViewSonic support site 5 A typical file extension for firmware upgrades is azt Highlight the azt file click Open click Upload wait...

Страница 58: ...oad to your local PC hard drive To download newer software 1 Login to the WMG web based utility http 192 168 1 1 2 Select the Advanced Setup tab 3 From the Utilities menu shown on the right click Update Media Server Application 4 Click Browse go to the folder where you downloaded the latest Media Server file from the ViewSonic support site in the previous step A typical file extension for firmware...

Страница 59: ...f your WMG Hostname 1 From the Utilities menu click Update Media Server Hostname as shown on the right 2 In the Hostname field shown on the right enter a name of your choosing any name Vacation Graduation Gateway etc 3 Click Submit click Yes to reboot for the new hostname to take effect ...

Страница 60: ... Identification is a thirty two character maximum alphanumeric key identifying the wireless local area network WEP Wired Equivalent Privacy is a data encryption protocol for 802 11b wireless networks All wireless nodes and access points on the network are configured with a 64 bit or 128 bit Shared Key for data encryption KEY A string of bits used to encrypt or decrypt data or to compute message di...

Страница 61: ...ottom of this page Method 1 The Networking Companion CD that came in the package recommended or Alternate Method 2 Network Share or Alternate Method 3 Internet Explorer Browser Method 1 Networking Companion CD 1 Recommended Make sure your PC is connected to the WMG 2 Put the Networking Companion CD into your disk drive The ViewSonic Main Menu appears on screen automatically as shown on the right C...

Страница 62: ... then make sure you are connected to the WMG 4 Drag and drop or copy and paste the content from your PC into one of the folders Alternate Method 2 Network Share 1 Use Method 2 if Method 1 does not work Right click Windows Start choose Explore A window appears like the one shown on the right 2 Expand the drive to show the sub folders as shown on the right 3 Double click on the media on 192 168 1 1 ...

Страница 63: ...n the Address line type http 192 168 1 1 and press Enter A window like the one shown on the right appears Double click Samba ide share Three media folders appear 3 Double click one of the three folders 4 Drag and drop or copy and paste from your PC to the WMG hard drive folder ATTENTION Notice forward slashes are used here In another place in this guide you will be asked to use back slashes ...

Страница 64: ...Basic Setup section of this guide Step 2 Install printer driver IMPORTANT Install the printer driver for your printer on your computer See the user guide that came with your printer Step 3 Connect a USB printer Connect a USB printer to the Gateway USB port and turn the USB printer on USB port USB printer Chapter 4 Set Up the Print Server ...

Страница 65: ...way as shown in the Basic Setup section of this guide turn the PC on Wait for the USB LED on the front of the Gateway to light up to a steady green as shown on the right USB LED A steady green USB LED light turns on when an external USB device is connected to either USB port 1 and or 2 ...

Страница 66: ...e type 192 168 1 1 Press ENTER Another screen appears with a folder called Printers and Faxes listed beside an icon 3 Double click Printers and Faxes A screen appears with lp beside an icon which stands for local printer Right click on lp select Connect Wait for a message 192 168 1 1 ATTENTION Notice back slashes are used here In another place in this guide you will be asked to use forward slashes...

Страница 67: ...ck OK The Add Printer Wizard screen appears 6 Select the printer Manufacturer from the list of Manufacturers The USB print server currently support most HP USB printers and a few other brands such as Epson and Cannon Check the ViewSonic website for additional printers supported ...

Страница 68: ...ViewSonic Wireless Media Gateway 62 7 Select a model from the list of Printers Click OK ...

Страница 69: ...nter connection 1 Click the Windows Start button select and open Printer and Faxes 2 Right click on lp on VIEWSONIC select Properties click Print Test Page A message appears as shown on the right 3 Verify that the page printed ok Click OK Close Windows ...

Страница 70: ...Solutions Customer Support contact information Maintenance instructions Firmware Updates Software Updates Cleaning Instructions Chapter 5 Troubleshooting Maintenance Getting Help Checklist 1 Read the Troubleshooting section in this chapter 2 Read the Table of Contents at the front of this user guide and look for the topic you need help with 3 Contact ViewSonic Customer Suport contact information i...

Страница 71: ... a connection with your ISP Turn on the Gateway Turn on your PC and attempt to connect to the Internet For most users the Gateway s default values should be satisfactory Some users may need to enter additional information in order to connect to the Internet through their ISP or broadband cable or DSL carrier For example some cable providers require a specific MAC address for connection to the Inte...

Страница 72: ...ireless Media Gateway 3 LAN Connection Problems I can t access my Gateway Make sure your Gateway is powered on Check network connections The computer you are using does not have a compatible IP Address Be sure that the IP Address used on your computer is set to the same subnet as the Gateway For example if the Gateway is set to 192 168 1 1 change the IP address of your computer to 192 168 1 15 or ...

Страница 73: ...Windows network settings are not set correctly Check each computer for correct network settings 5 I can t access the Gateway from a wireless network card Out of range Make sure that your computer is within range and free from any strong electrical devices that may cause interference IP Address is not set correctly Make sure that the Mode SSID Channel and encryption settings are set the same on eac...

Страница 74: ... to load file server and drivers to function appropriately Therefore it would need approximately one minute to fully load all of these modules and drivers In order to provide optimal performance like streaming video print server file server the Gateway must load all of these modules and drivers If is recommended you do not cancel a large file transfer or power off on the Gateway This might cause c...

Страница 75: ...stomer Support or product service you will need to provide the product s serial number on the back of the unit The websites shown above will provide the most current email addresses for your Customer Support queries Country Region Website with email address T Telephone F FAX United States www viewsonic com support T 800 688 6688 F 909 468 1202 Canada www viewsonic com support T 886 463 4775 F 909 ...

Страница 76: ...ance check the ViewSonic website periodically for the most recent software Cleaning Instructions CAUTION Make sure the power cord is unplugged before wiping the unit with a wet or damp cloth Never spray or pour any liquid directly onto the Gateway To ensure proper ventilation wipe the Gateway clean of dust especially around the vents and the in out connections on a regular basis Use a clean soft l...

Страница 77: ...uipment generates and uses radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation In the unlikely event that there is interference to radio or television reception which can be determined by turning the equipment off an...

Страница 78: ...ded interface cable is required to comply with the Class B limits of Part 15 of FCC rules This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation FCC Caution Any changes or modifications no...

Страница 79: ...in the interference causing equipment standard entitled Digital Apparatus ICES 003 of the Department of Communications Cet appareil numérique respecte les limites de bruits radioélectriques applicables aux appareils numériques de Classe B prescrites dans la norme sur le matériel brouilleur Appareils Numériques NMB 003 édictée par le ministère des Communications ...

Страница 80: ...ViewSonic Wireless Media Gateway 74 Appendix This Appendix has the following information Specifications Limited Warranty Glossary ...

Страница 81: ...s LEDs Power Standby WAN WLAN USB Ethernet Wireless Link Activity Networking Interface Ethernet Wireless IEEE 802 3 10 base T IEEE 802 3u 100 base T IEEE 802 11g 2 4Ghz OFDM Channels 1 11 United States Canada Output Power 100 mW e i r p or Max 20 dBm e i r p Coverage Area Up to 100 meters indoors Up to 400 meters indoors Wireless Security 64 128 bit WEP Encryption Windows XP SP1 and Windows 2000 S...

Страница 82: ...EE THE END USER LICENSE AGREEMENT EULA CONTAINED WITHIN THE SOFTWARE FOR YOUR PRODUCT How long the warranty is effective ViewSonic Gateway products are warranted for one 1 year for all parts and one 1 year for all labor from the date of the first consumer purchase Who the warranty protects This warranty is valid only for the first consumer purchaser What the warranty does not cover 1 Software 2 An...

Страница 83: ...OR A PARTICULAR PURPOSE Exclusion of damages VIEWSONIC S LIABILITY IS LIMITED TO THE COST OF REPAIR OR REPLACEMENT OF THE PRODUCT VIEWSONIC SHALL NOT BE LIABLE FOR 1 DAMAGE TO OTHER PROPERTY CAUSED BY ANY DEFECTS IN THE PRODUCT DAMAGES BASED UPON INCONVENIENCE LOSS OF USE OF THE PRODUCT LOSS OF DATA LOSS OF TIME LOSS OF PROFITS LOSS OF BUSINESS OPPORTUNITY LOSS OF GOODWILL INTERFERENCE WITH BUSINE...

Страница 84: ...nization uses a series of numbers like the Dewey Decimal system in libraries to differentiate between the various technology families The 802 subgroup of the IEEE develops standards for local and wide area networks with the 802 11 section reviewing and creating standards for wireless local area networks 802 11 is composed of several standards operating in different radio frequencies 802 11b is a s...

Страница 85: ...crowave ovens cordless phones medical and scientific equipment as well as Bluetooth devices all work within the 2 4 GHz frequency band 802 11g Similar to 802 11b but this standard provides a throughput of up to 54 Mbps It also operates in the 2 4 GHz frequency band but uses a different radio technology in order to boost overall bandwidth Access point A wireless LAN transceiver or gateway that can ...

Страница 86: ...ents but it does not allocate bandwidth A switch is a hub that has extra intelligence It can read the address of a packet and send it to the appropriate computer station A wireless gateway is an access point that provides additional capabilities such as NAT routing DHCP firewalls security etc Ad Hoc mode A client setting that provides independent peer to peer connectivity in a wireless LAN An alte...

Страница 87: ...ommunication lines based on the number of bits that can be sent or received per second Bits per second bps is often confused with bytes per second Bps While bits is a measure of transmission speed bytes is a measure of storage capability 8 bits make a byte so if a wireless network is operating at a bandwidth of 11 megabits per second 11 Mbps or 11 Mbits sec it is sending data at 1 375 megabytes pe...

Страница 88: ...top computers Some companies offer one piece PCI or ISA Card radios that install directly into an open PC or ISA slot Cable modem A kind of converter used to connect a computer to a cable TV service that provides Internet access Most cable modems have an Ethernet out cable that then attaches to the user s gateway Client Any computer connected to a network that requests services files print capabil...

Страница 89: ...without the use of a hub Crossover cables may also be required for connecting a cable or DSL modem to a wireless gateway or access point Instead of the signals transferring in parallel paths from one set of plugs to another the signals crossover If an eight wire cable was being used for instance the signal would start on pin one at one end of the cable and end up on pin eight at the other end They...

Страница 90: ...ive station For this reason ACK packets have a higher priority than all other network traffic After completion of a data transmission the receive station will begin transmission of the ACK packet before any other node can begin transmitting a new data packet All other stations must wait a longer pseudo randomized period of time before transmitting If an ACK packet is not received the transmitting ...

Страница 91: ...k When DHCP is used whenever a computer logs onto the network it automatically gets an IP address assigned to it Dial up A communication connection via the standard telephone network or Plain Old Telephone Service POTS Diversity antenna A type of antenna system that uses two antennas to maximize reception and transmission quality and reduce interference DNS Domain Name System or Service or Server ...

Страница 92: ...nded Service Set ID The identifying name of an 802 11 wireless network When you specify your correct ESSID in your client setup you ensure that you connect to your wireless network rather than another network in range See SSID The ESSID can be called by different terms such as Network Name Preferred Network SSID or Wireless LAN Service Area Ethernet International standard networking technology for...

Страница 93: ...tSpots are known as CoolSpots Hub A multiport device used to connect PCs to a network via Ethernet cabling or via WiFi Wired hubs can have numerous ports and can transmit data at speeds ranging from 10 Mbps to multigigabyte speeds per second A hub transmits packets it receives to all the connected ports A small wired hub may only connect four computers a large hub can connect 48 or more Wireless h...

Страница 94: ...able technologies Frequency Hopping Spread Spectrum FHSS Direct Sequence Spread Spectrum DSSS and Infrared WECA s focus is on 802 11b an 11 Mbps high rate DSSS standard for wireless networks Infrastructure mode A client setting providing connectivity to an AP As compared to Ad Hoc mode whereby PCs communicate directly with each other clients set in Infrastructure Mode all pass data through a centr...

Страница 95: ... Packet Exchange Sequenced Packet Exchange IPX is a networking protocol used by the Novell NetWare operating systems Like UDP IP IPX is a datagram protocol used for connectionless communications Higher level protocols such as SPX and NCP are used for additional error recovery services SPX is a transport layer protocol layer 4 of the OSI Model used in Novell Netware networks The SPX layer sits on t...

Страница 96: ...are altered The seven layers are Physical Data Link Network Transport Session Presentation Application The IEEE 802 11 Standard encompasses the physical layer PHY and the lower portion of the data link layer The lower portion of the data link layer is often referred to as the Medium Access Controller MAC sublayer ISS Internet Security Services A special software application that allows all PCs on ...

Страница 97: ...r printer port on a network NAT Network Address Translation A network capability that enables a houseful of computers to dynamically share a single incoming IP address from a dial up cable or xDSL connection NAT takes the single incoming IP address and creates new IP address for each client computer on the network NAT provides a type of firewall by hiding internal IP addresses Network name Identif...

Страница 98: ... a Type 2 PCMCIA standard slot PC Cards are used primarily in PCs portable computers PDAs and laptops PC Card peripherals include Wi Fi cards memory cards modems NICs hard drives etc PCI Peripheral Component Interconnect A high performance I O computer bus used internally on most computers Other bus types include ISA and AGP PCIs and other computer buses enable the addition of internal cards that ...

Страница 99: ... medium In the case of wireless LANs the transport medium is free space The PHY defines parameters such as data rates modulation method signaling parameters transmitter receiver synchronization etc Within an actual radio implementation the PHY corresponds to the radio front end and baseband signal processing sections Proxy server Used in larger companies and organizations to improve network operat...

Страница 100: ... wide area network WAN to another Based on routing tables and routing protocols routers can read the network address in each transmitted frame and make a decision on how to send it via the most efficient route based on traffic load line costs speed bad connections etc Server A computer that provides its resources to other computers and devices on a network These include print servers Internet serv...

Страница 101: ...ver in order to have a secret key exchange for that session Subnetwork or Subnet Found in larger networks these smaller networks are used to simplify addressing between numerous computers Subnets connect to the central network through a Gateway hub or gateway Each individual wireless LAN will probably use the same subnet for all the local computers it talks to Switch A type of hub that efficiently...

Страница 102: ...The underlying technology behind the Internet and communications between computers in a network The first part TCP is the transport part which matches the size of the messages on either end and guarantees that the correct message has been received The IP part is the user s computer address on a network Every computer in a TCP IP network has its own IP address that is either dynamically assigned at...

Страница 103: ... VPN Virtual Private Network A type of technology designed to increase the security of information transferred over the Internet VPN can work with either wired or wireless networks as well as with dial up connections over POTS VPN creates a private encrypted tunnel from the end user s computer through the local wireless network through the Internet all the way to the corporate servers and database...

Страница 104: ...is available in 40 bit also called 64 bit or in 108 bit also called 128 bit encryption modes As 108 bit encryption provides a longer algorithm that takes longer to decode it can provide better security than basic 40 bit 64 bit encryption WLAN Wireless Local Area Network Also referred to as LAN A type of local area network that uses high frequency radio waves rather than wires to communicate betwee...

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