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outgoing packets, the ILA is the source address on the LAN, and the IGA is the source address

on the WAN. For incoming packets, the ILA is the destination address on the LAN, and the IGA

is the destination address on the WAN. NAT maps private (local) IP addresses to globally

unique ones required for communication with hosts on other networks. It replaces the original

IP source address (and TCP or UDP source port numbers for Many-to-One and Many-to-Many

Overload NAT mapping) in each packet and then forwards it to the Internet. The

DSL-2120/2120W keeps track of the original addresses and port numbers so incoming reply

packets can have their original values restored.

The following figure illustrates this.

5.2.1.3 NAT Application

The following figure illustrates a possible NAT application, where three inside LANs

(logical LANs using IP Alias) behind the DSL-2120/2120W can communicate with three distinct

WAN networks. More examples follow at the end of this chapter.

Proprietary & Confidential

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38 of 86

Revision: V1.0

Apr. 23, 2008

Содержание DSL-2120 Series

Страница 1: ...Proprietary Confidential Page 1 of 86 Revision V1 0 Apr 23 2008 DSL 2120 2120W Series ADSL2PLUS 1 port with USB Router User Guide Revision 1 0 Apr 2008 ...

Страница 2: ... Setting a New Password 12 3 2 Choosing the Time Zone 13 3 3 Setting the ISP Connection Type 14 3 3 1 Configuring Dynamic IP Address 14 3 3 2 Configuring Static IP Address 15 3 3 3 Configuring PPPoE 16 3 3 4 Configuring PPPoA 17 3 3 5 Configuring Bridge Mode 18 3 3 6 Multiplexing 19 3 3 6 1 VC based Multiplexing 19 3 3 6 2 LLC based Multiplexing 19 3 3 7 VPI and VCI 20 3 4 Finishing the Wizard 20 ...

Страница 3: ...NAT Application 38 5 2 1 4 NAT Mapping Types 39 5 2 2 DMZ 40 5 2 3 Virtual Server 40 5 3 The QoS Screen 41 5 3 1 Rule 42 5 3 2 Action 44 5 4 The ADSL Screen 45 5 5 The Firewall Screen 45 Chapter 6 The Access Management Screens 46 6 1 The ACL Screen 46 6 2 The Filter Screen 47 6 2 1 Assigning IP MAC Filter 47 6 2 2 Assigning Application Filter 49 6 2 3 Assigning URL Filter 50 6 3 The SNMP Screen 50...

Страница 4: ...ernet 69 8 3 2 ADSL 70 Appendix A Troubleshooting 71 A 1 Using LEDs to Diagnose Problems 71 A 1 1 Problem POWER LED Doesn t Light Up 71 A 1 2 Problem ETHERNET LED Doesn t Light Up 71 A 1 3 Problem DSL LED Doesn t Light Up 71 A 2 Problem Can t Access Through Telnet 72 A 3 Problem Can t Access Web Configurator 72 A 4 Problem Forgotten Login Username and Password 73 A 5 Problem Can t Access LAN Inter...

Страница 5: ...Proprietary Confidential Page 5 of 86 Revision V1 0 Apr 23 2008 FCC Radiation Exposure Statement 86 ...

Страница 6: ...The PPPoE driver on the DSL 2120 2120W is transparent to the computers on the LAN Computers see only Ethernet and are not aware of PPPoE you don t have to manage PPPoE clients on individual computers Network Address Translation NAT Network Address Translation NAT allows the conversion of an Internet protocol IP address used within one network such as a private IP address used in a LAN to a differe...

Страница 7: ...s its built in DHCP server capability enabled by default It can assign IP addresses an IP default gateway and DNS servers to DHCP clients The DSL 2120 2120W can also act as a substitute DHCP server DHCP Relay relaying IP address assignment from the actual DHCP server to the clients IP Alias IP Alias allows you to partition a physical network into logical networks over the same Ethernet interface T...

Страница 8: ...r Ethernet RFC 2516 Network Management Embedded Web Configurator Command Line Interpreter CLI Simple Network Management Protocol SNMP manageable DHCP Server Client Built in Diagnostic Tools Syslog TFTP FTP server firmware upgrade and configuration backup support supported Diagnostics Capabilities The DSL 2120 2120W can run self diagnostic tests These tests check the status of the following LAN por...

Страница 9: ...SL line cards with data multiplexed into a network interface connection such as T1 OC3 DS3 ATM or Frame Relay It is similar to an ADSL modem rack An example Internet access application is shown below DSL 2120W Only 1 2 2 Making LAN to LAN Connections The DSL 2120 2120W can be used to connect two physically distant networks through the ADSL line An example LAN to LAN connection is shown below Propr...

Страница 10: ...tep 4 Enter 192 168 1 1 as the URL Step 5 The Connect to 192 168 1 1 window will open Enter your User name admin is the default and Password 1234 is the default and then click on OK Step 6 You should now see the Web configurator 2 2 Navigating the DSL 2120 2120W Web Configurator Steps to navigate the Web Configurator from the Site Map are summarized below Click on Quick Start to begin a wizard tha...

Страница 11: ...e RESET button on the back of the DSL 2120 2120W device to regain access Uploading the default configuration file replaces the current configuration file You will lose all your previously saved configurations The password will also be reset to 1234 2 3 1 Using The Reset Button Step 1 Make sure the SYS LED is on and not blinking Step 2 Press and hold the RESET button for five seconds and then relea...

Страница 12: ...on the RUN WIZARD button to start the Quick Start wizard The Quick Start wizard will open a new browser window with the following screen Click on NEXT to continue or on EXIT to exit the wizard without saving 3 1 Setting a New Password This screen helps you set a new password replacing the default password Proprietary Confidential Page 12 of 86 Revision V1 0 Apr 23 2008 ...

Страница 13: ...ious screen on NEXT to continue or on EXIT to exit the wizard without saving 3 2 Choosing the Time Zone This screen helps you set the time zone for your DSL 2120 2120W Select the appropriate time zone for your location from the dropdown list Click on BACK to return to the previous screen on NEXT to continue or on EXIT to exit the wizard without saving Proprietary Confidential Page 13 of 86 Revisio...

Страница 14: ... return to the previous screen on NEXT to continue or on EXIT to exit the wizard The following screen will vary depending on which connection type you chose Each screen is explained below 3 3 1 Configuring Dynamic IP Address A dynamic IP address connection requests a new IP address from your ISP each time you connect to it Proprietary Confidential Page 14 of 86 Revision V1 0 Apr 23 2008 ...

Страница 15: ...e Select your connection type from the dropdown list Your ISP should provide the above information Click on BACK to return to the previous screen on NEXT to continue or on EXIT to exit the wizard without saving 3 3 2 Configuring Static IP Address A static IP address connection uses the same IP each time you connect to your ISP Proprietary Confidential Page 15 of 86 Revision V1 0 Apr 23 2008 ...

Страница 16: ...eturn to the previous screen on NEXT to continue or on EXIT to exit the wizard without saving 3 3 3 Configuring PPPoE PPPoE provides access control and billing functionality in a manner similar to dial up services using PPP The DSL 2120 2120W bridges a PPP session over Ethernet PPP over Ethernet RFC 2516 from your computer to an ATM Permanent Virtual Circuit PVC that connects to the ADSL Access Co...

Страница 17: ...e form of user domain where domain identifies a service name enter it exactly as given Click on BACK to return to the previous screen on NEXT to continue or on EXIT to exit the wizard without saving 3 3 4 Configuring PPPoA Point to Point Protocol over ATM Adaptation Layer 5 AAL5 PPPoA provides access control and billing functionality in a manner similar to dial up services using PPP The DSL 2100 e...

Страница 18: ...n the form of user domain where domain identifies a service name enter it exactly as given Click on BACK to return to the previous screen on NEXT to continue or on EXIT to exit the wizard without saving 3 3 5 Configuring Bridge Mode RFC 1483 explains two methods for Multiprotocol Encapsulation over AAL5 The first method allows multiplexing of multiple protocols over just one ATM virtual circuit LL...

Страница 19: ...ls a virtual circuit VC is carrying Be sure to use the multiplexing method your ISP requires 3 3 6 1 VC based Multiplexing In VC based multiplexing by prior mutual agreement each protocol is assigned to a specific virtual circuit For example VC1 carries IP etc VC based multiplexing may be dominant in environments where dynamic creation of large numbers of ATM VCs is fast and economical 3 3 6 2 LLC...

Страница 20: ...you The valid range for the VPI is 0 to 255 The valid range for the VCI is 32 to 65535 0 to 31 is reserved for local management of ATM traffic 3 4 Finishing the Wizard The Quick Start wizard now has all the information it needs Click on BACK to make changes or correct mistakes Click on NEXT to save the current settings Click on EXIT to exit the wizard without saving Your changes have been saved Cl...

Страница 21: ...een the DSL 2120 2120W and the two different networks A LAN is a shared communication system to which many computers are attached A LAN is generally limited to the immediate area usually the same building or floor of a building A WAN is an outside connection to another network or to the Internet 4 2 The Internet Screen The Internet screen allows you to set up how your DSL 2120 2120W connects to th...

Страница 22: ...N Virtual Circuit Select the PVC you wish to modify Status Each PCV can be toggled Activated or Deactivate VPI Enter your VPI number here VCI Enter your VCI number here ATM QoS Select the QoS type for the PVC in question from the dropdown list PCR Enter the PCR here For all QoS types SCR Enter the SCR here Only for rtVBR and nrtVBR MBS Enter the MBS here Only for rtVBR and nrtVBR The PVCs Summary ...

Страница 23: ...at support constant rates of data transfer The only parameter you need to worry about in CBR is PCR UBR is for connections that have variable traffic The only parameter you need to worry about in UBR is PCR rtVBR is for connections that while having variable traffic require precise timing between traffic source and destination PCR SCR and MBS must all be set for rtVBR nrtVBR is for connections tha...

Страница 24: ...bled or Disabled Default Route Select whether this PVC will be the default route for Internet data TCP MTU Option Enter you TCP MTU bytes here Default is 0 bytes Dynamic Route Select the RIP type and direction from the dropdown lists Multicast Select the multicast protocol you wish to use from the dropdown list 4 2 2 2 Static IP Address The following table describes the labels in this screen LABEL...

Страница 25: ...oute for Internet data TCP MTU Option Enter you TCP MTU bytes here Default is 0 bytes Dynamic Route Select the RIP type and direction from the dropdown lists Multicast Select the multicast protocol you wish to use from the dropdown list Your ISP should provide the above information 4 2 2 3 PPPoE PPPoA The following table describes the labels in this screen LABEL DESCRIPTION Username Enter your use...

Страница 26: ...ther this PVC will be the default route for Internet data TCP MTU Option Enter you TCP MTU bytes here Default is 0 bytes Dynamic Route Select the RIP type and direction from the dropdown lists Multicast Select the multicast protocol you wish to use from the dropdown list Your ISP should provide the above information Note that you must enter the user name exactly as your ISP assigned it If the assi...

Страница 27: ...described below Multicast Select the multicast protocol you wish to use from the dropdown list 4 3 1 1 Explaining RIP Setup Routing Information Protocol RIP allows a router to exchange routing information with other routers The RIP Direction field controls how RIP packets are allowed to enter and leave the router Selecting Both means the DSL 2120 2120W will broadcast its routing table and incorpor...

Страница 28: ...ses subnet broadcasting while RIP 2M uses multicasting 4 3 2 Introducing DHCP Dynamic Host Control Protocol DHCP when enabled gives out IP addresses to a device that requests an IP address to be logged on to the network as it boots up A device must be configured as a DHCP client to obtain the IP address automatically The DHCP address pool contains the range of the IP address that will automaticall...

Страница 29: ...er IP address you wish to use For user discovered DNS only Secondary DNS Server Enter the secondary DNS server IP address you wish to use For user discovered DNS only If you don t want to use the DNS Relay option set the DNS relay to Use User Discovered DNS Server Only and set both Primary and Secondary DNS Servers to 0 0 0 0 4 3 4 Relay DHCP The following screen will appear if you selected Relay ...

Страница 30: ...ure the routing table has the correct routing entry 4 4 The Wireless LAN Screen for DSL 2120W only The wireless LAN Screen includes some basic configurations The complexity of wireless LAN depends on the network environment That is wireless LANs are simple while two computers with wireless LAN cards communicate in a peer to peer network though they still need more complicated setting as there are ...

Страница 31: ...e larger than this value will perform the RTS CTS handshake Setting this attribute to be larger than the maximum MSDU MAC service data unit size turns off the RTS CTS handshake Setting this attribute to zero turns on the RTS CTS handshake Enter a value between 1500 and 2347 Fragmentation Threshold The threshold number of bytes for the fragmentation boundary for directed messages It is the maximum ...

Страница 32: ...security for transmissions there are two alternatives to select from 64 bit WEP and 128 bit WEP WEP 128 will offer increased security over WEP 64 You can disable or enable with WPA or WEP for protecting wireless network The default type of wireless is disabled and to allow all wireless computers to communicate with the access points without any data encryption 4 4 3 Wireless MAC Address Filter Use...

Страница 33: ...ter the key to encrypt wireless data To allow encrypted data transmission the WEP Encryption Key values on all wireless stations must be the same as the router There are four keys for your selection The input format is in HEX style 5 and 13 HEX codes are required for 64 bitWEP and 128 bitWEP respectively If you chose WEP 64 bits then enter any 5 ASCII characters or 10 hexadecimal characters 0 9 a ...

Страница 34: ... V1 0 Apr 23 2008 incorporates Message Integrity Code MIC to provide protection against hackers Pre Shared key The key for network authentication The input format is in character style and key size should be in the range between 8 and 63 characters ...

Страница 35: ...scribes the labels in this screen LABEL DESCRIPTION Destination IP Address Enter the destination IP address for this routing rule IP Subnet Mask Enter the destination IP subnet mask for this routing rule Gateway IP Address Enter the gateway IP address for this routing rule or select which PVC will be affected by this routing rule Metric Enter the metric for this routing rule Announce in RIP Choose...

Страница 36: ...route is private and not included in RIP broadcasts When you are done making changes click on SAVE to save your changes DELETE to delete the rule with the parameters you set BACK to return to the previous screen or CANCEL to exit without saving 5 2 The NAT Screen Network Address Translation NAT RFC 1631 translates the host IP address in a packet used within one network to a different IP address kn...

Страница 37: ... is located relative to the DSL 2120 2120W The computers hosts of your LAN are inside while the Web servers on the Internet are outside Global local indicates the IP address of a host in a packet as the packet traverses a router The local address refers to the IP address of a host when the packet is in the local network while the global address refers to the IP address of the host when the same pa...

Страница 38: ...ers for Many to One and Many to Many Overload NAT mapping in each packet and then forwards it to the Internet The DSL 2120 2120W keeps track of the original addresses and port numbers so incoming reply packets can have their original values restored The following figure illustrates this 5 2 1 3 NAT Application The following figure illustrates a possible NAT application where three inside LANs logi...

Страница 39: ...120W maps multiple local IP addresses to shared global IP addresses 4 Many to Many No Overload In Many to Many No Overload mode the DSL 2120 2120W maps each local IP address to a unique global IP address 5 Server This type allows you to specify inside servers of different services behind the NAT to be accessible to the outside world The following table summarizes these types TYPE IP MAPPING One to...

Страница 40: ...the DMZ host The following table describes the labels in this screen LABEL DESCRIPTION DMZ Toggle the DMZ function Enabled or Disabled DMZ Host IP Address Enter the IP address of the DMZ host you wish to use When you are done making changes click on SAVE to save your changes or on BACK to return to the previous screen 5 2 3 Virtual Server A virtual server is a server behind NAT on the LAN such as ...

Страница 41: ...ber Enter the specific port number you wish to end forward at This number may be the same as the Start Port Number Local IP Address Enter the IP address of the virtual server on the LAN Virtual Server Listing This is a listing of all virtual servers you have set When you are done making changes click on SAVE to save your changes DELETE to delete the rule with the parameters you set BACK to return ...

Страница 42: ...ortant aspect of QoS is ensuring that prioritizing one data flow doesn t interfere with other data flows QoS can be toggled Activated and Deactivated QoS must be activated before you can edit the following options When you are done making changes click on SAVE to save your changes 5 3 1 Rule You can set 16 different QoS rules Each QoS rule has its detail setting conditions like 802 1p application ...

Страница 43: ...rent applications IGMP SIP H 323 MGCP SNMP DNS DHCP RIP RSTP RTCP RTP Physical Ports Once you select the application the associated ports will be displayed Destination MAC Set the Ethernet MAC value that you want to filter in destination side Destination IP Set the IP address value that you want to filter in destination side Destination Mask Set the subnet mask value that you want to filter in des...

Страница 44: ...cket that fulfill every detail setting condition of each rule 5 3 2 Action After finishing all rules detail condition setting select the rule you want to execute and action here The following table describes the labels in this screen LABEL DESCRIPTION IPP DS Field Select IP QoS format IP Precedence Remarking Select the remarking value of IP precedence Type of service Remarking Select the remarking...

Страница 45: ...e from the dropdown list When you are done making changes click on SAVE to save your changes 5 5 The Firewall Screen The following table describes the labels in this screen LABEL DESCRIPTION Firewall Select Firewall is enabled or disabled SPI Select SPI is enabled or disabled When you are done making changes click on SAVE to save your changes Proprietary Confidential Page 45 of 86 Revision V1 0 Ap...

Страница 46: ... or off with Yes or No respectively Secure IP Address Enter the IP address you wish to give access Note that entering 0 0 0 0 allows all packets access Application Select the application you wish to give access Note that the first application you give access should be Web or you will no longer be able to access the router through the Web configurator Interface Select the interface the above rules ...

Страница 47: ...1 Assigning IP MAC Filter Each of the indices can hold six rules and each interface can have four associated indices allowing 24 rules per interface If all six rules in an index are Next rules the data will be sent to the next index for filtering The following table describes the labels in this screen Proprietary Confidential Page 47 of 86 Revision V1 0 Apr 23 2008 ...

Страница 48: ... Enter the port number of the source IP address Note that 0 means all that ports are allowed Destination IP Address Enter the destination IP address that you wish to deny access to your system Subnet Mask Enter the subnet mask of the destination IP address Port Number Enter the port number of the destination IP address Note that 0 means that all ports are allowed Protocol Select the protocol to fi...

Страница 49: ... or deactivated ICQ Select allow or deny ICQ traffic MSN Select allow or deny MSN traffic YMSG Select allow or deny Yahoo Messenger traffic Real Audi Video Select allow or deny Real Audio Video traffic When you are done making changes click on SAVE to save your changes or CANCEL to exit without saving Proprietary Confidential Page 49 of 86 Revision V1 0 Apr 23 2008 ...

Страница 50: ... you wish to deny access to your system When you are done making changes click on SAVE to save your changes DELETE to delete the rule with the parameters you set or CANCEL to exit without saving 6 3 The SNMP Screen Simple Network Management Protocol SNMP is a protocol for exchanging management information between network devices and is part of the TCP IP protocol suite Proprietary Confidential Pag...

Страница 51: ...k A device can leave a network smoothly and automatically when it is no longer in use How do I know if I m using UPnP UPnP hardware is identified as an icon in the Network Connections folder in Windows XP Each UPnP compatible device that is installed on your network will appear as a separate icon 6 4 1 1 NAT Traversal UPnP NAT traversal automates allowing an application to operate through NAT UPnP...

Страница 52: ...e of using UPnP in Windows 6 4 1 3 Configuring UpnP The following table describes the labels in this screen LABEL DESCRIPTION UPnP UPnP can be toggled Activated or Deactivated Auto configured Auto configuration can be toggled Activated or Deactivated by Enabled enabled Application Auto configuration allows UPnP enabled applications to automatically configure the DSL 2120 2120W so that they can com...

Страница 53: ...Windows Setup tab and select Communication in the Components selection box Click on Details Step 3 In the Communications window check the Universal Plug and Play box in the Components selection box Step 4 Click on OK to go back to the Add Remove Programs Properties window and click on Next Step 5 Restart the computer when prompted Proprietary Confidential Page 53 of 86 Revision V1 0 Apr 23 2008 ...

Страница 54: ...ow click on Advanced in the main menu and select Optional Networking Components The Windows Optional Networking Components Wizard window displays Step 4 Select Networking Service in the Components selection box and click on Details Step 5 Select Networking Services then click on the Details button In the window that opens check the Universal Plug and Play box Proprietary Confidential Page 54 of 86...

Страница 55: ...ows XP and UPnP activated on the DSL 2120 2120W Make sure the computer is connected to a LAN port of the DSL 2120 2120W Turn on your computer and the DSL 2120 2120W Auto discover Your UPnP enabled Network Device Step 1 Click on start and then on Control Panel Double click Network Connections An icon displays under Internet Gateway Step 2 Right click on the icon and select Properties Proprietary Co...

Страница 56: ...Step 3 In the Internet Connection Properties window click on Settings to see the port mappings there were automatically created Proprietary Confidential Page 56 of 86 Revision V1 0 Apr 23 2008 ...

Страница 57: ... mappings or click on Add to manually add port mappings Step 5 Check the Show icon in notification area when connected box and click on OK An icon displays in the system tray Proprietary Confidential Page 57 of 86 Revision V1 0 Apr 23 2008 ...

Страница 58: ...Step 6 Double click on the icon to display your current Internet connection status Proprietary Confidential Page 58 of 86 Revision V1 0 Apr 23 2008 ...

Страница 59: ...20W without knowing the IP address of the DSL 2120 2120W Follow the steps below to access the Web configurator Step 1 Click Start and then Control Panel Step 2 Double click Network Connections Step 3 Select My Network Places under Other Places Proprietary Confidential Page 59 of 86 Revision V1 0 Apr 23 2008 ...

Страница 60: ...for each UPnP enabled device displays under Local Network Step 5 Right click on the icon for your DSL 2120 2120W and select Invoke The Web configurator login screen displays Proprietary Confidential Page 60 of 86 Revision V1 0 Apr 23 2008 ...

Страница 61: ...ey don t know your IP address You need to have registered a dynamic DNS account with www dyndns org This is for people with a dynamic IP from their ISP or DHCP server that would still like to have a DNS name The Dynamic DNS service provider will give you a password or key 6 5 1 DYNDNS Wildcard Enabling the wildcard feature for your host causes yourhost dyndns org to be aliased to the same IP addre...

Страница 62: ...e form of user domain where domain identifies a service name enter it exactly as given When you are done making changes click on SAVE to save your changes 6 6 CWMP CWMP CPE WAN Management Protocol defined by DSL forum as TR 069 is a protocol used for auto configured complex services between ACS Auto Configuration Server and CPE The following table describes the labels in this screen LABEL DESCRIPT...

Страница 63: ...est to the CPE Password Enter the password used to authenticate an ACS making a Connection Request to the CPE Periodic Inform Whether or not the CPE must periodically send CPE information to ACS using the inform method call Interval The duration in seconds of the interval for which the CPE MUST attempt to connect with the ACS and call the inform method if Periodic Inform is activated ...

Страница 64: ...s screen LABEL DESCRIPTION New Password Enter the password you wish to use here Confirm Password Enter the password again to confirm it 7 2 The Time Zone Screen Use the Time Zone screen to change your DSL 2120 2120W s time and date The following table describes the labels in this screen LABEL DESCRIPTION Synchronize time with Chose how you want your DSL 2120 2120W to obtain the time Time Zone Sele...

Страница 65: ... update the firmware than those given in Chapter 2 The following table describes the labels in this screen LABEL DESCRIPTION Current Firmware Ver The current firmware version your DSL 2120 2120W is using New Firmware Location The location on your computer of the firmware you wish to upload Enter the location here or click on Browse to find it New Romfile Location The location on your computer of t...

Страница 66: ... Once you have selected the settings you wish to use upon restart click on RESTART to restart the DSL 2120 2120W 7 5 The Diagnostics Screen The Diagnostics screen tests the performance of your virtual circuits Select which PVC you wish to test from the dropdown list The DSL 2120 2120W will automatically run diagnostic tests on that circuit A green PASS means that the given test was passed a red FA...

Страница 67: ...section tells you the current firmware your DSL 2120 2120W is using and what MAC address it is using 8 1 2 LAN The LAN section tells you what IP address subnet mask and DHCP server your DSL 2120 2120W is using 8 1 3 WAN Select a virtual circuit from the dropdown list The WAN section tells you the status connection type IP address subnet mask default gateway DNS server of the virtual circuit chosen...

Страница 68: ...nex mode as well as the SNR margin line attenuation and data rate 8 2 The System Log Screen The system log screen displays a log of the DSL 2120 2120W s functioning Click on CLEAR LOG to clear the log or on SAVE LOG which will save the log data to a separate file Proprietary Confidential Page 68 of 86 Revision V1 0 Apr 23 2008 ...

Страница 69: ...Choose Ethernet or ADSL to view the respective statistics screens 8 3 1 Ethernet The Ethernet screen gives you information on how much data your DSL 2120 2120W has transmitted and received across the Ethernet connection Click on REFRESH to update the screen Proprietary Confidential Page 69 of 86 Revision V1 0 Apr 23 2008 ...

Страница 70: ...reen gives you information about how much data your DSL 2120 2120W has transmitted or received across the ADSL connection Click on REFRESH to update the screen Proprietary Confidential Page 70 of 86 Revision V1 0 Apr 23 2008 ...

Страница 71: ...rce Use only the supplied power adaptor 2 Check that the DSL 2120 2120W and the power source are both turned on and the DSL 2120 2120W is receiving sufficient power 3 Turn the DSL 2120 2120W off and on 4 If the error persists you may have a hardware problem Contact your vendor A 1 2 Problem ETHERNET LED Doesn t Light Up The LAN LED on the front panel does not light up STEPS CORRECTIVE ACTION 1 Che...

Страница 72: ... the IP addresses of the DSL 2120 2120W and your computer Make sure your computer is set to get a dynamic IP address or if you want to use a static IP address on your computer make sure that it is on the same subnet as the DSL 2120 2120W 4 Make sure you entered the correct password The default password is 1234 If you forgot your username or password refer to Section A 4 5 If the problem persists c...

Страница 73: ...ame and or password STEPS CORRECTIVE ACTION 1 If you have changed the password and forgotten it you will need to upload the default configuration file This will erase all custom configurations and restore factory defaults including the password 2 Press the RESET button for five seconds and then release it When the POWER LED begins to blink the defaults have been restored and the DSL 2120 2120W res...

Страница 74: ... your VPI VCI type of encapsulation and type of multiplexing settings with the telephone company and ISP I cannot get a WAN IP address from the ISP STEPS CORRECTIVE ACTION 1 The ISP provides the WAN IP address after authenticating you Authentication may be through the username and password the MAC address or the host name 2 The username and password apply to PPPoE and PPPoA encapsulation only Make...

Страница 75: ... when remote management may not be possible 2 Use the DSL 2120 2120W s WAN IP address when configuring from the WAN Use the DSL 2120 2120W s LAN IP address when configuring from the LAN 3 Refer to Section A 5 for instructions on checking your LAN connection Refer to Section A 6 for instructions on checking your WAN connection 4 See also the Section A 3 A 9 Problem Can t Access Remote Node Connecti...

Страница 76: ... Start Run on desktop and use Browse to open the file of E USB SetupXP2K En De Fr exe E is the letter of CD ROM drive then Click OK 2 Select the language for the installation from the choices below then click Next 3 Click Next to continue Proprietary Confidential Page 76 of 86 Revision V1 0 Apr 23 2008 ...

Страница 77: ...4 Select Typical type then click Next 5 Click Next to continue Proprietary Confidential Page 77 of 86 Revision V1 0 Apr 23 2008 ...

Страница 78: ...6 Now you can plug your device then click Yes 7 Click Continue Anyway to continue 8 Click Finish to end of this procedure Proprietary Confidential Page 78 of 86 Revision V1 0 Apr 23 2008 ...

Страница 79: ...art Run on desktop and use Browse to open the file of E USB tcusbdrv exe E is the letter of CD ROM drive then Click OK 2 Select the language for the installation from the choices below then click Next Proprietary Confidential Page 79 of 86 Revision V1 0 Apr 23 2008 ...

Страница 80: ...3 Click Next to continue 4 Select Typical type then click Next Proprietary Confidential Page 80 of 86 Revision V1 0 Apr 23 2008 ...

Страница 81: ...5 Click Next to continue 6 Now you can plug your device then click Yes Proprietary Confidential Page 81 of 86 Revision V1 0 Apr 23 2008 ...

Страница 82: ...cedure B 3 Vista64 1 Please insert the driver CD supplied Then Click Start Run on desktop and use Browse to open the file of E DSR TC11 Driver Vista64 setup exe E is the letter of CD ROM drive then Click OK Proprietary Confidential Page 82 of 86 Revision V1 0 Apr 23 2008 ...

Страница 83: ...k Next 3 Select I accept the terms in the license agreement then click Next to continue 4 Enter the User Name and Organization then click Next Proprietary Confidential Page 83 of 86 Revision V1 0 Apr 23 2008 ...

Страница 84: ...5 Select Complete then click Next to continue 6 Click Install Proprietary Confidential Page 84 of 86 Revision V1 0 Apr 23 2008 ...

Страница 85: ...7 Now you can plug your device then click Yes 8 Click Finish to end of this procedure Proprietary Confidential Page 85 of 86 Revision V1 0 Apr 23 2008 ...

Страница 86: ... Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution To assure continued compliance any changes or modifications not expressly approved by the party responsible for co...

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