Celestron WR850G manuale d’uso

User Guide WR850 Wireless Broadband Routers WR850GP and WR850G WR850G WR850GP[...]

WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE. THE UNIT MUST NOT BE EXPOSED TO DRIPPING OR SPLASHING. DO NOT PLACE OBJECTS FILLED WITH LI QUIDS, SUCH AS VASES, ON THE UNIT. CAUTION: TO ENSURE REGULATORY COMPLIANCE, USE ONL Y THE PROVIDED POWER AND INTERFACE CABLES. CAUTION: DO NOT OPEN THE UNIT. DO NOT PER[...]

Canadian Compliance This Class B digital apparatus meets all requirem ents of the Ca nadian Interference Causing Equi pm ent Regulations. Cet appareil numérique de la classe B respects toutes les exigences du Règlement sur le m atériel brouilleur du Canada. FCC Declaration of Conformity Motorola, Inc., Broadband Comm unications S ector, 101 Tour[...]

WR850 I Content s Section 1:Overview Understanding Your User Guide.................................................................................................. .....1-3 Box Cont ents ................................................................................................................... ...................1-3 Understanding Functions[...]

Contents II WR850 Configure Your Basic Internet Settings ......................................................................................... 2-20 DHCP Confi guration ............................................................................................................. ...... 2-20 PPPoE ..................................................[...]

Contents WR850 III Section 4:Troubleshooting Contac t Us ..................................................................................................................... ...............4-1 Hardware So lutions ............................................................................................................. ..............4-1 My compu[...]

WR850 1-1 Section 1:Overview Congratulations on purchasing the Motorola WR850GP Wireless Broadband Router or Motorola WR850G Wireless Broadband Router. 1 The WR850 includes both an 802.11b/g wireless access point and a 4-port Ethernet router. So it is both wireless and wired, providing the foundation for a truly custo mized network full of options.[...]

Section 1 Overview 1-2 WR850 Your wireless router is really several products built into one router: Wireless Access Point – Connects your router to your laptop wirelessly and allows you to roam unfettered – Supports a multitude of devices that operate with both 802.11g and 802.11b wireless communication standards – Protects your wireless comm[...]

Overview Section 1 WR850 1-3 Understanding Your User Guide The User Guide is divided into the following sections: Overview Describes the router and its functions, the technology used, and the recommended methods for positioning the router. Installation It is assumed that you will use the In stallation Wizard on the CD-ROM to set up your router. If [...]

Section 1 Overview 1-4 WR850 Understanding Functions Before installing your wireless router, please take a few minutes to review the wireless networking functions described in th is section. Router Generally, routers connect two networ ks together. The WR850 connects your home network with the Internet, which can be thought of as a very large netwo[...]

Overview Section 1 WR850 1-5 Dynamic IP Address A dynamic IP address is a temporary IP num ber, dynamically or randomly generated by a DHCP server. The address lasts only as long as the server allots, usually in the space of a day or two. When the IP address expires, the client is automatically reassigned a new IP address, ensuring smooth communica[...]

Section 1 Overview 1-6 WR850 Sample Home Network Diagram Your wireless router serves as the centerpiece of your network, allowing you to share files, printers, and the Internet connection. A sample home network is shown below: The Internet communicates with the modem which in turn communicates with the router. The router acts as the gateway to your[...]

Overview Section 1 WR850 1-7 Wireless Range The following lists the expected wireless range of the router. This table is only a guide and coverage varies due to local conditions. Data Rate Open Area Closed Area 54 Mbps Up to 100 ft (30m) Up to 60 ft (18m) 11 Mbps Up to 900 feet (275 m) Up to 160 feet (49 m) 5.5 Mbps Up to 1300 feet (396 m) Up to 20[...]

Section 1 Overview 1-8 WR850 Router Physical Description The following sections describe the physical cha racteristics of your router. For instructions on installing your router, see Section 2: Installation. Back of Router The following illustration shows the WR850 back panel: 12 3 4 5 Res et Power LAN 4 WAN 321 A n t e n n a Feature Description 1 [...]

Overview Section 1 WR850 1-9 Feature Description 3 LAN Ports 1-4 These four ports connect the router to your LAN or home network using Ethernet cables. This enables communication among clients, such as PCs or print servers, on the network. The LAN ports support either 10-BASE-T or 100-BASE-T transmission speeds as well as straight-through and cross[...]

Section 1 Overview 1-10 WR850 LED Description The underlined items represent network activity. LED Condition Color Status 1 Power ON Green The device is powered on and operating normally. Blinking Green Firmware update is in progress. Blinking/OFF Red The power LED turns RED as soon as the reset button is depressed. If the reset button is held down[...]

WR850 2-1 Section 2:Inst allation To get your network up and running:  Set up your hardware.  Insert the CD-ROM for product set up. Follow the prompts. If you prefer to set up the router’s software manually, refer to the Manual Software Setup found later in this section. The following sections provide detailed instructio ns for completing t[...]

Section 2 Installation 2-2 WR850 Router Physical Installation For the WR850GP, you can install the router horizontally or vertically. The WR850G can only be installed horizontally. Either router can also be mounted on a wall. Horizontal Installation 1 Place the router in the desired location and follow the procedures below for connecting and config[...]

Installation Section 2 WR850 2-3 Wall Mount Installation If you mount the router on the wall, you must:  Position the router as specified by the local or national code s governing residential or business communications services.  Follow all local standards for installing a network interface rou ter/network interface device (NIU/NID). If possi[...]

Section 2 Installation 2-4 WR850 2 To print the Wall Mounting Template, click the Print icon or choose Print from the File menu. 3 In both the Pages from and to fields, enter the p age number on which the Wall Mounting Template appears. 4 Click OK . 5 Measure the printed template with a ruler to ensure that it is the same size as the template on pa[...]

Installation Section 2 WR850 2-5 10 Using a screw driver, turn each screw until part of it protrudes from the wall, as shown: – There must be 4.0 mm (.16 inches) between the wall and the underside of the screw head. – The maximum distance from the wall to the top of the screw head is 7.6 mm (.3 in). 4.0 mm 10.5 mm (.4 inc hes) maximum 7.6 mm (.[...]

Section 2 Installation 2-6 WR850 Electrical Connection to Router Your router does not have an On/Off power switch and therefore will only be powered on by plugging in the power adapter: Reset Power LAN To p o w e r sup ply 1 Connect the power adapter to the router’s Power port, found on the back of the router. 2 Plug the power adapter into a grou[...]

Installation Section 2 WR850 2-7 Wired Connection to Router LAN 4 WAN 32 1 A ntenna Reset Powe r ETH ERN ET US B CA B LE +12 VDC USB CPE MAC ID:ABDCEF012345 S/N: P PPPMM YJJJSSSSS CA A BBCCCC HFC MAC ID: ABCDEF012345 CUS TOMER S/N :BCDFGHJK LMNP If you are connecting your PC with an Ethernet cable to the router, your PC must be installed first with[...]

Section 2 Installation 2-8 WR850 Wireless Connection to Router WARNING! When first configuring your router, it is recommended that y o u have an Ethernet cable connected to the router. Per forming the INITIAL configuration using a wireless connection is not sec ure and is not recommended. After you have finished the initial configuration of the rou[...]

Installation Section 2 WR850 2-9 3 To connect the PC to the router through a wireless connection, verify the PC’s wireless adapter SSID (Service Set Identifier) is set to the router’s default setting of motorola appended with the last 3 characters of the Wireless MAC address (an example SSID: motorola 345 ) and that no encryption is enabled. FO[...]

Section 2 Installation 2-10 WR850 Configuring Windows 98SE and ME 1 Click Start . 2 Select Settings > Control Panel . 3 Double-click Network . The Network window is displayed: 4 On the Configuration tab, select the TCP/IP line the for the appropriate Ethernet adapter on your PC. There may be multiple adapters installed – choose only the one th[...]

Installation Section 2 WR850 2-11 5 Click Properties . The TCP/IP Properties window is displayed: Windows 98SE Windows ME 6 Click the IP Address tab. 7 Select Obtain an IP address automatically . 8 Click OK . 9 Click the Gateway tab and confirm that the Installed Gateway field is blank. 10 Click OK twice. Windows may ask for the Windows Installat i[...]

Section 2 Installation 2-12 WR850 Configuring Windows 2000 1 Click Start . 2 Select Settings . 3 Select Control Panel . 4 Double-click Network and Dial-Up Connections . 5 Double-click Local Area Connection . 6 Click Properties .[...]

Installation Section 2 WR850 2-13 The Local Area Properties window is displayed: 7 Ensure the box next to Internet Protocol (TCP/IP) is selected. 8 Click to highlight Internet Protocol (TCP/IP) and click Properties .[...]

Section 2 Installation 2-14 WR850 The Internet Protocol (TCP/IP) Properties window is displayed: 9 Select Obtain an IP address automatically . Click OK twice to exit and save your settings. 10 Restart your computer to save your settings. 11 Proceed to the Configure Your Wireless Security Settings section to set up security.[...]

Installation Section 2 WR850 2-15 Configuring Windows XP This configuration assumes you have retained the default interface for Windows XP. If you are running the ‘Classic’ interface, please follow the instructio ns for Windows 2000. 1 Click Start . 2 Select Settings . 3 Select Control Panel . 4 Double-click Network and Dial-Up Connections . 5 [...]

Section 2 Installation 2-16 WR850 The Local Area Properties window is displayed: 7 Ensure the box next to Internet Protocol (TCP/IP) is selected. 8 Click to highlight Internet Protocol (TCP/IP) and click Properties .[...]

Installation Section 2 WR850 2-17 The Internet Protocol (TCP/IP) Properties window is displayed: 9 Click Obtain an IP address automatically . Click OK twice to exit and save your settings. Proceed to the Configure Your Wireless Security Settings section to set up the security settings.[...]

Section 2 Installation 2-18 WR850 Configure Your Wireless Security Settings Before your router can communicate securely with your computer, you mu st configure your wireless security settings. Failure to configure these setting s properly could compromise your network to wireless hackers. Logging In WARNING! When first configuring your router, it i[...]

Installation Section 2 WR850 2-19 Wireless Security Setup To set up the correct security protocols for your router: 1 Click Control Panel > Device Security . 2 In the Login User ID field, enter your User ID . Create an ID that contains multiple case- sensitive characters as well as numbers. It cannot be longer than 64 bytes. 3 In the Login Passw[...]

Section 2 Installation 2-20 WR850 Configure Your Basic Internet Settings The following settings configure your router for accessing the Internet. Detailed descriptions for using the web-based utility follow this section. 1 Log into the router’s Configuration Utility. The Internet > Basic screen is displayed. 2 Select the Connection Mode your I[...]

Installation Section 2 WR850 2-21 Static IP If you are required to use a permanent IP address for connecting to the Internet, then select Static Assigned . Your ISP informs you if this is the connection to use. 1 From Connection Mode, select Static Assigned . 2 In the IP address field, enter the IP address supplied by your ISP. 3 In the Subnet Mask[...]

WR850 3-1 Section 3:Configuration Use the information in this section to modify the router’s sett ings. For example you can customize features for your home network, ch ange settings such as your user name or password, or view the status of the network. The screenshots seen here are intended for reference only; your version of firmware may differ[...]

Section 3 Configuration 3-2 WR850 Navigation Each of the following subsections describe the components of the router’s Configuration Utility which is accessible from a web browser. These sections include : • Internet • Wireless • Parental Control • Networking • Control Panel To navigate, click on a major section and then the associated [...]

Configuration Section 3 WR850 3-3 Configuring Internet Settings The Internet Settings screens enable you to configure your Internet settings:  Basic  Advanced  Network Diagnostic Basic Internet Settings After logging into the Configuration Utility, the Internet - Basic screen is displayed. It allows you to adjust basic settings for the rou[...]

Section 3 Configuration 3-4 WR850 Field or Button Description WAN Interface Displays the status of the router: Active Your WAN link is active. Inactive Your WAN link is not active. Disabled The WAN interface has been disabled. To enable the WAN interface, click the Advanced tab. Connection Mode The router supports four connection modes for acquirin[...]

Configuration Section 3 WR850 3-5 Field or Button Description Default Gateway Is automatically displayed or manually entered from information provided by your ISP. Obtain DNS Server Address Automatically Select Yes to obtain the DNS information automatically, or No to enter the information manually. Primary DNS Is automatically displayed or manuall[...]

Section 3 Configuration 3-6 WR850 Field or Button Description PPP Service Name Is either automatically displayed or manually entered from information provided by your ISP. PPP Idle Timer Click to enable PPP Idle Time. PPP Idle Time Enter the amount of time to elapse before the router automatically breaks the connection to the Internet. PPP Auto Rec[...]

Configuration Section 3 WR850 3-7 Advanced Internet Settings The Internet – Advanced screen allows you to adjust additional Internet settings. To access the screen, click Internet > Advanced . Field or Button Description WAN Interface Check to enable the link to the Internet. Disabling this featur e disconnects your Internet connection. The de[...]

Section 3 Configuration 3-8 WR850 Field or Button Description Learned MAC Address Displays the MAC addresses (wired or wireless devices) the router has already recorded. If you wish to use one of the displayed MAC addresses: 1 Click the address number. The num ber automatically appears in the Cloned WAN MAC Address field. 2 Click Apply to clone the[...]

Configuration Section 3 WR850 3-9 Field or Button Description DNS Lookup Finds the IP address of a website name. For example, if you enter www.motorola.com , a DNS server returns the IP address of Motorola. To use any of these functions: 1 Enter a Host Name or IP Address in the Ping, Trace Route, or DNS Lookup fields. 2 Click Ping , Trace Route , o[...]

Section 3 Configuration 3-10 WR850 Field or Button Description Network Name (SSID) Enter a name of no more than 32 alphanumeric characters. This SSID must be entered on every wireless device on your wireless network to communicate with the router. The default SSID is motorola XXX, where XXX are the last 3 characters of your Wireless MAC address, fo[...]

Configuration Section 3 WR850 3-11 Field or Button Description Wireless MAC Address Displays the Wireless MAC address of the unit. This is not th e same as the WAN MAC address. Apply Click to save your settings. Cancel Click to cancel any cha nges. Configuring Wireless Security Settings The Wireless Security screen allows you to conf igure the secu[...]

Section 3 Configuration 3-12 WR850 Field Description ESS Authentication Extended Service Set (ESS ). Authentication establishes either an open or secure verification of communication with an access point (AP). This setting does not encrypt your transmission. The options are: Open System No authentication is used. Default setting. Pre-Shared Key (PS[...]

Configuration Section 3 WR850 3-13 Field Description 802.1X mode Can only be enabled when the ESS Authorization is set to Open or PSK and either WEP64 or WEP128 is selected (see the Encryption Status field). During the Authentication process, the server verifies the identity of the client attempting to connect to the network. When WPA or WPA-PSK is[...]

Section 3 Configuration 3-14 WR850 Field Description Key Index Use the drop-down list here to select one of the Key Content fields below (Key 1, Key 2, etc). A maximum of four different Keys (1, 2, 3, or 4) are available. The number of ke ys is determined by what is selected in the ESS Authentication and Encryption Status fields. The Key selected h[...]

Configuration Section 3 WR850 3-15 Field Description RADIUS Shared Secret RADIUS Shared Secret Confirmation Type the RADIUS password in this field. Re-type the RADIUS password in this field. Wireless MAC Access Control List Enables you to control which device accesses your wireless network based upon their MAC address. The default is disabled . The[...]

Section 3 Configuration 3-16 WR850 Field Description Apply Click to save your settings. Cancel Click to cancel any changes. Monitoring Wireless Access Points The Site Monitor screen displays information about wireless Access Points (AP) and stations. To access the screen, click Wireless > Site Monitor . The Station Association List identifies on[...]

Configuration Section 3 WR850 3-17 The Site Survey displays information about other APs in the area. Field Description Scan Click Scan to search for more APs or clients. SSID Displays the SSID of the device found. MAC Address Displays the MAC address of the device found. Channel Displays the channel upon which the device is broadcasting. Signal Str[...]

Section 3 Configuration 3-18 WR850 Advanced Wireless Configuration The Wireless – Advanced screen allows you to turn your wireless network on and off and adjust wireless parameters. Generally, these settings should remain at their default values. To access the screen, click Wireless > Advanced . Field Description Radio Interface Allows you to [...]

Configuration Section 3 WR850 3-19 Field Description Fragmentation Threshold Allows you to set the size at which packets are fragmented and transmitted a piece at a time instead of all at once. The setting must be within the range of 256 to 2346 bytes. The default is 2346. Beacon Period Allows you to set the time units for the beacon period. A beac[...]

Section 3 Configuration 3-20 WR850 Field Description 11g Protection Mode Ensures that your wireless router does not interfere with neighbor networks. 802.11g networks cause “collisions” on 802.11b networks, so the Protection Mode forces the 802.11g network to negotiate around the 802.11b network. The options are: Disable 802.11g Protection Mode[...]

Configuration Section 3 WR850 3-21 Configuring Parental Control Settings Parental Control settings allow you to tailor the type of content your router can access. Content Policies allow you to specify the websites or keyword searches users can access. Up to ten policies can be created, each of which can be cust omized for specific time periods and [...]

Section 3 Configuration 3-22 WR850 Field Description Content Policy Enables or disables the Content Policy feature. The default is disabled. Policy Number The policy number you assign. Policy Name The name of the policy, up to 32 characters. You can enter up to ten different policies, tied to the Policy Number. Allow URL Allows the recipient of the[...]

Configuration Section 3 WR850 3-23 To create a policy: 1 Enter a name in the Policy Name field. 2 Decide if you want to Allow or Deny a URL (the address of a website). You can add more than one URL, separated by semicolons. The final entry must end with a semicolon. The following selections are optional for the policy: – Enter a Keyword filter. ?[...]

Section 3 Configuration 3-24 WR850 Field Description Visited URL Displays the URL (website) that the PC has accessed. LAN IP Displays the IP address of the device on your network (LAN or Wireless) that accessed the Internet. LAN MAC Address Displays the PC’s MAC address. LAN Host Name Displays the PC’s Host Name. Time Displays the time of acces[...]

Configuration Section 3 WR850 3-25 Configuring Networking Settings The Networking screens allow you to configure your router to work with your Local Area Network (LAN). You should not need to make any changes to these settings. The following screens are available in Networking:  DHCP Server  DNS Proxy  Routing  DDNS  NAT  Port Tri[...]

Section 3 Configuration 3-26 WR850 Field Description LAN MAC Address Displays the LAN MAC address of the router. This field cannot be edited. LAN Private IP Enables you to create your own private IP network. Enter an IP address string that you will use for your network. Because it is a private network, your router gives you the ability to choose an[...]

Configuration Section 3 WR850 3-27 Configuring the Router Host Name This feature allows you to change the Host Name of your router. This feature only applies to your private home network. To access the screen, click Networking > DNS Proxy . Field Description LAN Private Host Name Displays the current Host name for the router. Enter in a new name[...]

Section 3 Configuration 3-28 WR850 To access the screen, click Networking > Routing . Field Description RIP V1 Enables or disables RIPv1. The default is disabled. RIP V2 Enables or disables RIPv2. The default is disabled. Routing Table Entry List To add a Routing Entry: 1 Select a Destination IP number, (the client’s Routing IP address). 2 Ent[...]

Configuration Section 3 WR850 3-29 Configuring DDNS Settings The router supports the Dynamic Domain Name System (DDNS) feature. DDNS enables you to assign a fixed host and domain name to a dynamic Internet IP address. It is useful when you are hosting your own web server, FTP server, or another server behind the router. Before you can use this feat[...]

Section 3 Configuration 3-30 WR850 Configuring NAT Settings The Networking – NAT screen allows you to add another level of security to your Internet activity and online games. Network Address Translation (NAT) translates the multiple IP addresses on a private LAN to one public address that is sent out to the Internet by your ISP. This means the a[...]

Configuration Section 3 WR850 3-31 Field Description ICMP Session Idle Time Enter the Internet Control Message Protocol (ICMP) Session Idle Time, which is the amount of time an ICMP session will remain idle before timing out. ICMP is used for error, problem, and informational messages sent between IP hosts and gateways. The default is 5 minutes. Ap[...]

Section 3 Configuration 3-32 WR850 To add a Port Trigger entry: 1 Enter the name of the application in the Port Trigger Name field. There is a limit of 32 characters for the name. 2 Click enable if you wish the port trigger to become active immediately. Otherwise, you can save the information and enable it at later date. To enable at a later date, [...]

Configuration Section 3 WR850 3-33 Configuring Virtual Server Settings The Virtual Server sets up an automatic inbound forwarding mechanism for services running on your computer, such as web server s, email servers, or other specialized applications. You must configure your server with a static IP address to use this service. To access the screen, [...]

Section 3 Configuration 3-34 WR850 To update or remove an entry, select it and then click Edit or Remove to perform the action. Configuring the Firewall The firewall on your router shields your network from the Internet by examining network packets (units of data sent on a network) before they are forwarded to your router. The Networking – Firewa[...]

Configuration Section 3 WR850 3-35 To add a Packet Filter entry: 1 Enter a descriptive name in the Packet Filter Name field. 2 From the Filter Action drop-down list, select Allow or Deny. Allow permits data that meets the criteria selected. Deny blocks the dat a that meets the selected criteria. 3 From the Packet Direction drop-down list, select In[...]

Section 3 Configuration 3-36 WR850 Configuring Control Panel Settings The Control Panel screens enable administrative maintenance for your router, such as changing your login User ID/Password, updat ing your firmware, or backing up your configuration. The following screens are available in Control Panel:  Device Security  Firmware Update  [...]

Configuration Section 3 WR850 3-37 Field Description WAN Web Login Enables you to log into the router from the Internet. Click to enable. The default is disabled. WAN Web Login Port Enables you to specify different ports on the router to allow remote login. The default is 8080. Login Idle Time Sets the amount of idle time (no actions occur) that el[...]

Section 3 Configuration 3-38 WR850 Saving and Restoring Configuration Settings This Configuration Data screen allows you to save and restore your router’s configuration settings. You are also able to reset the router to its factory default settin gs. To access the screen, click Control Panel > Configuration Data . To reset the router to its or[...]

Configuration Section 3 WR850 3-39 Configuring Time Settings The Time screen enables you to configure time settings. To access the screen, click Control Panel > Time . Field Description Current Time Displays the current time. Time Zone Select your local time zone. The default is EST. Auto Daylight Adjust If you want to automatically adjust for D[...]

Section 3 Configuration 3-40 WR850 Configuring UPnP The UPnP screen allows you to enable/disabl e Universal Plug and Play (UPnP). UPnP allows an application to smoothly map to the router. To access the screen, click Control Panel > UPnP . Field Description LAN UPnP Device Click to enable this feature. The default is disabled. Apply Click to save[...]

WR850 4-1 Section 4:T roubleshooting This section details possible solutions to common problems that might occur in usin g the router. Contact Us If you are unable to locate a solution here, please access our website at www.motorola.com/broadb and/networking for the latest information. You can also reach us 7 days a week, 24 hours a day at 1-877-46[...]

Section 4 Troubleshooting 4-2 WR850 My computer is experiencing difficulty in connecting to the router.  Ensure that all of your cabling connections are firmly connected. This includes the cables from the wall to your modem, between the router and modem, and, if available, from the router to your PC.  Ensure that your LEDs are not lit Red or [...]

Troubleshooting Section 4 WR850 4-3 Software Solutions I would like to test to see if my Internet connection is live. Use the ping command to test the connection. Before attempting, ensure that Obtain an IP address automatically has been selected in the computer’s settings and that you have an IP address assigned. Refer to Configure Your Computer[...]

Section 4 Troubleshooting 4-4 WR850 I cannot access the Configuration Utility for the router.  Verify your Ethernet connection to the router.  Verify that the IP address of the PC being used to configure the router is on the same network as the router’s configuration IP address.  The IP address of your network adapter must be on the same[...]

Troubleshooting Section 4 WR850 4-5 What if Pass Phrase isn’t supported? What do I enter for my security? Some wireless cards do not support Pass Phrase or Motorola’s Pass Phrase algorithm, which means you have to enter the entire Key Content found in the appropriate Key field. So, using the WEP example from above if using Key 1, you would ente[...]

WR850 5-1 Section 5:Glossary A Access Point (AP) A device that provides wireless LAN connectivity to wireless clients (stations). The WR850 acts as a wireless access point. Adapter A device or card that connects a computer, printer, or other peripheral device to the network or to some other device. A wireless adapter connects a computer to the wire[...]

Section 5 Glossary 5-2 WR850 BSS Basic Service Set. A configuration of Access Points that communicate with each other without resorting any infrastructure. Also known as Ad-Hoc networks. Also see ESS . C Client In a client/server architecture, a client is a computer that requests files or services such as file transfer, remote login, or printing fr[...]

Glossary Section 5 WR850 5-3 DHCP A Dynamic Host Configuration Protocol server dynamically assigns IP addresses to client hosts on an IP network. DHCP eliminates the need to manually assign static IP addresses by “leasing” an IP address and subnet mask to each client. It enables the automatic reuse of unused IP addresses: The WR850 is simultane[...]

Section 5 Glossary 5-4 WR850 DSSS Direct-Sequence Spread Spectrum. DSSS is a transmission technology used in WLAN transmissions where a data signal at the sending station is combined with a higher data rate bit sequence, or chipping code, that divides the user data accor ding to a spreading ratio. The chipping code is a redundant bit pattern for ea[...]

Glossary Section 5 WR850 5-5 FTP File Transfer Protocol is a standard Internet protocol for exchanging files between computers. FTP is commonly used to download programs and other files to a computer from web pages on Internet servers. G Gateway A device that enables communication between networks using different protocols. See also router . The WR[...]

Section 5 Glossary 5-6 WR850 IEEE The Institute of Electrical and Electronics Engine ers, Inc. (http://www.ieee.org) is an organization that produces standards, technical papers, and symposiums for the electrical and electronic industries and is accredite d by ANSI. 802.11b and 802.11g are examples of standards they have produced. Internet A worldw[...]

Glossary Section 5 WR850 5-7 MB One megabyte; equals 1,024 x 1,024 bytes, 1,024 kilobytes, or about 8 million bits. Mbps Million bits per second (megabits per second). A rate of data transfer. MTU The Maximum Transmission Unit is the largest amount of data that can be transmitted in one discrete message on a given physical network. The MTU places a[...]

Section 5 Glossary 5-8 WR850 PCMCIA The Personal Computer Memory Card International Association sets international standards for connecting peripherals to por table computers. Laptop computers typically have a PCMCIA slot that can hold one or two PC Cards to provide features such as Ethernet connectivity. ping A network function that tests host rea[...]

Glossary Section 5 WR850 5-9 R RJ-11 The most common type of connector for household or office phones. RJ-45 An 8-pin modular connector; the most common connector type for 10Base-T or 100Base-T Ethernet networks. Roaming The ability to transfer your wireless session from one AP to another AP seamlessly. ROM Read-Only Memory. Router On IP networks, [...]

Section 5 Glossary 5-10 WR850 Static IP Address An IP address that is permanently assigned to a host. Normally, a static IP address must be assigned manually. The opposite of Dynamic IP Address . Station IEEE 802.11b term for wireless client. Subscriber A user who accesses television, data, or other services from a service provider. Subnet Mask A m[...]

Glossary Section 5 WR850 5-11 Tunnel To place packets inside other packets to send over a network. The protocol of the enclosing packet is understood by each endpoint, or tunnel interface, where the packet enters and exits the network. VPNs rely on tunneling to create a secure network. Tunneling requires the following protocol types:  A carrier [...]

Section 5 Glossary 5-12 WR850 VPN A virtual private network is a private network that uses “virtual” connections (tunnels) routed over a public network (usually the Internet) to provide a secure and fast connection; usually to users working remotely at home or in small branch offices. A VPN connection provides security and performance similar t[...]

MGBI 516587-001 7/04 Visit our website at: www .motorola.com/broadband[...]