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NETGEAR DM111P - ADSL2+ Ethernet Modem Reference Manual Download Page 44

DM111P ADSL2+ Ethernet Modem Reference Manual

4-6

Troubleshooting

v1.0, August 2006

•

Log in to the modem management interface, as described in 

“Opening the Web-Based Modem 

Management Utility” on page 2-4

, note the modem status, run the modem diagnostics, as 

described in 

Chapter 3, “Managing Your Modem”

, and contact your ISP’s technical support 

representative.

Summary of Contents for DM111P - ADSL2+ Ethernet Modem

Page 1: ...Beta August 2006 NETGEAR Inc 4500 Great America Parkway Santa Clara CA 95054 USA DM111P ADSL2 Ethernet Modem Reference Manual ...

Page 2: ...installation This equipment generates uses and can radiate 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 If this equipment does cause harmful interference to radio or television reception which can be determine...

Page 3: ...rective 1999 5 EC Español Spanish Por medio de la presente NETGEAR Inc declara que el DM111P ADSL2 Ethernet Modem cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999 5 CE Ελληνική Greek ΜΕ ΤΗΝ ΠΑΡΟΥΣΑ NETGEAR Inc ΔΗΛΩΝΕΙ ΟΤΙ DM111P ADSL2 Ethernet Modem ΣΥΜΜΟΡΦΩΝΕΤΑΙ ΠΡΟΣ ΤΙΣ ΟΥΣΙΩΔΕΙΣ ΑΠΑΙΤΗΣΕΙΣ ΚΑΙ ΤΙΣ ΛΟΙΠΕΣ ΣΧΕΤΙΚΕΣ ΔΙΑΤΑΞΕΙΣ ΤΗΣ Ο...

Page 4: ... right to test the series for compliance with the regulations Malti Maltese Hawnhekk NETGEAR Inc jiddikjara li dan DM111P ADSL2 Ethernet Modem jikkonforma mal tiijiet essenzjali u ma provvedimenti orajn relevanti li hemm fid Dirrettiva 1999 5 EC Magyar Hungarian Alulírott NETGEAR Inc nyilatkozom hogy a DM111P ADSL2 Ethernet Modem megfelel a vonatkozó alapvetõ követelményeknek és az 1999 5 EC irány...

Page 5: ...erference by Data Processing Equipment and Electronic Office Machines aimed at preventing radio interference in such residential areas When used near a radio or TV receiver it may become the cause of radio interference Read instructions for correct handling Product and Publication Details Model Number DM111P Publication Date August 2006 Product Family Modem Product Name DM111P ADSL2 Ethernet Modem...

Page 6: ...v1 0 August 2006 vi ...

Page 7: ...nternet Information You Need Before You Begin 2 1 Connecting to the Internet 2 1 Using the Setup Wizard on the CD 2 2 Using the Web Browser Based Modem Management Utility 2 2 Setting Up Your Ethernet Connection 2 8 Chapter 3 Managing Your Modem Changing the Password 3 1 Backing Up Restoring or Erasing Your Settings 3 2 How to Back Up the Configuration to a File 3 2 How to Restore the Configuration...

Page 8: ...D Not On 4 2 Power LED Never Turns Green 4 2 ADSL LED not On or Blinking 4 2 LAN or Internet Port LEDs Not On 4 3 Troubleshooting the Web Management Interface 4 4 Troubleshooting the Internet Connection 4 5 Troubleshooting Internet Browsing 4 7 Restoring the Default Configuration and Password 4 7 Using the Reset button 4 7 Appendix A Technical Specifications Appendix B Related Documents ...

Page 9: ...ns This manual uses the following typographical conventions Formats This manual uses the following formats to highlight special messages Italics Emphasis books CDs URL names Bold User input Fixed Screen text file and server names extensions commands IP addresses Note This format is used to highlight information of importance or special interest Tip This format is used to highlight a procedure that...

Page 10: ...ctly to where the topic is described in the manual A button to access the full NETGEAR Inc online knowledge base for the product model Links to PDF versions of the full manual and individual chapters How to Print this Manual To print this manual you can choose one of the following several options according to your needs Printing a Page in the HTML View Each page in the HTML version of the manual i...

Page 11: ...com Click the print icon in the upper left of the window Printing the Full Manual Use the Complete PDF Manual link at the top left of any page Click the Complete PDF Manual link at the top left of any page in the manual The PDF version of the complete manual opens in a browser window Click the print icon in the upper left of the window Tip If your printer supports printing two pages on a single sh...

Page 12: ...DM111P ADSL2 Ethernet Modem Reference Manual 4 v1 0 August 2006 ...

Page 13: ...AR routers such as the 108 Mbps Wireless Firewall Router GT624 or the 54 Mbps Wireless Router WGR614 Key Features The ADSL2 Modem provides the following features Supports the full range of Asynchronous Digital Subscriber Line ADSL standards Easy Web based setup for installation and management Extensive Internet protocol support 10 100 Mbps auto sensing and Auto Uplink Auto MDI X feature that elimi...

Page 14: ...use these diagnostic functions directly from the DM111P when you are connected on the LAN or when you are connected over the Internet via the remote management function Visual monitoring The modem s front panel LEDs provide an easy way to monitor its status and activity Flash erasable programmable read only memory EPROM for firmware upgrades Protocol Support The DM111P supports Transmission Contro...

Page 15: ...00 Mbps Fast Ethernet network The local LAN ports are autosensing and capable of full duplex or half duplex operation The modem incorporates Auto UplinkTM technology Each local Ethernet port will automatically sense whether the Ethernet cable plugged into the port should have a normal connection such as to a computer or an uplink connection such as to a switch or hub That port will then configure ...

Page 16: ...y region Category 5 Cat 5 Ethernet cable Telephone cable with RJ 11 connector A tick certified Microfilter in some countries type varies by region Resource CD including this guide Warranty and Support Information Cards If any of the parts are incorrect missing or damaged contact your NETGEAR dealer Keep the carton including the original packing materials in case you need to return the product for ...

Page 17: ...id On Red Off Power is supplied and the modem in its normal operating mode Firmware update is in progress Self test is in progress or self test failed Power is not supplied to the modem 2 LAN Solid On Green Off A device is connected to the yellow Ethernet port No device is connected to the yellow Ethernet port 3 ADSL Solid On Green Blinking Green Off The modem is synchronized with your service pro...

Page 18: ...tains ADSL and Ethernet port connections and reset and reboot switches Viewed from left to right the rear panel contains the following elements 1 RJ 11 ADSL port for connecting the modem to an ADSL line 2 Factory default reset push button 3 Ethernet RJ 45 port for connecting the modem to your PC or router 4 On off switch 5 AC power adapter inlet Figure 1 2 1 2 3 4 5 ...

Page 19: ...mpt you for the following parameters Virtual Path Identifier VPI Virtual Circuit Identifier VCI Bridging protocol PPPoA PPPoE or RFC2684 Multiplexing method which may be one of the following VIrtual Circuit VC based usually used by PPPoA protocol Logical Link Control LLC based usually used by PPPoE and RFC2684 protocols Maximum Transmission Unit MTU size usually 1500 bytes Connecting to the Intern...

Page 20: ... same wires as your telephone service However ADSL adds signals to the telephone lines which create noise in the telephone service You must use ADSL microfilters to filter out these signals before they reach your telephone Using ADSL Microfilters Each device such as a telephone fax machine answering machine or caller ID display will require an ADSL microfilter Note If you purchased the modem in a ...

Page 21: ...lity physically connect the modem as follows 1 Connect the yellow Ethernet cable between the yellow Ethernet port on the modem and the Ethernet port on your PC 2 Connect the ADSL port on your modem to your telephone jack Figure 2 2 Note If you intend to connect to a router do so after you have successfully obtained an Internet connection when your modem is directly connected to the PC Refer to the...

Page 22: ... a Web browser such as Microsoft Internet Explorer and type the URL http 192 168 0 1 in the address box A dialog box will be displayed prompting you for a user name and password 2 Type admin for the user name password for the password and click OK to open the main utility window in your web browser Once you have logged in you will have the option of changing the password Figure 2 4 Note After you ...

Page 23: ... window that is split into four areas A banner at the top the main menu on the left the workspace area in the center and help text on the right Throughout the rest of this manual diagrams showing the utility display output will be restricted to the workspace area Figure 2 5 Banner Area Main Menu Workspace Area Help Text ...

Page 24: ...p Wizard in the main menu 2 If you want the setup wizard to attempt to detect the configuration settings click the Yes radio button and continue from step 4 If you have collected all the informaton listed in Information You Need Before You Begin on page 2 1 click the No radio button and continue from step 5 3 If you selected Yes in step 3 the utility will display the detected connection type and p...

Page 25: ... ADSL Settings page Set the fields according to the information provided to you by your ISP and then click Apply 5 If the main menu displays a Restart button click it to re initialize the modem so that the new settings can take effect Figure 2 8 Note The ADSL settings shown in Figure 2 8 can be viewed at any time by selecting ADSL Settings from the Setup section of the main menu ...

Page 26: ...which is usually printed on a label on the bottom or at the rear of the device Note how the address is comprised of four numbers separated by period characters If necessary change the LAN IP address of the modem so that the two left most numbers of the address are the same as the two left most numbers of the router s LAN IP address and the third number in the modem s address is different from the ...

Page 27: ...ase for your router click the Off radio button to disable the DHCP server in the modem 5 If you changed the LAN IP address or DHCP server setting click Apply to make the new settings take effect Note If you change the LAN IP address you will lose your connection to the modem management utility You will need to type the new IP address into your browser address box to re access the utility ...

Page 28: ...DM111P ADSL2 Ethernet Modem Reference Manual 2 10 Connecting to the Internet v1 0 August 2006 ...

Page 29: ...nt utility and assumes the utility has been opened in your web browser as described in Opening the Web Based Modem Management Utility on page 2 4 Changing the Password To keep your modem configuration settings secure you can change the password needed to access the modem management utility as folllows 1 Click Set Password in the Maintenance section of the main menu 2 Type the new password where pr...

Page 30: ...tings menu as seen in Figure 3 2 2 Click Backup to save a copy of the current settings 3 Store the cfg file on a computer on your network How to Restore the Configuration from a File 1 From the Maintenance heading of the Main Menu select the Settings Backup menu as seen in Figure 3 2 2 Enter the full path to the file on your network or click the Browse button to locate the file 3 When you have loc...

Page 31: ... NETGEAR s Web site If the upgrade file is compressed ZIP file you must first extract the binary BIN or IMG file before uploading it to the modem How to Upgrade the Modem Firmware 1 Download and unzip the new software file from NETGEAR The Web browser used to upload new firmware into the modem must support HTTP uploads NETGEAR recommends using Microsoft Internet Explorer 5 0 or above Note To resto...

Page 32: ...ck Firmware Upgrade Figure 3 3 Warning When uploading software to the modem it is important not to interrupt the Web browser by closing the window clicking a link or loading a new page If the browser is interrupted it may corrupt the software When the upload is complete your modem will automatically restart The upgrade process will typically take about two minutes In some cases you may need to cle...

Page 33: ... 5 v1 0 August 2006 Network Management Information The DM111P provides a variety of status and usage information which is discussed below Viewing Modem Status From the Maintenance section of the main menu select Modem Status to view the screen in Figure 3 4 Figure 3 4 ...

Page 34: ...P Subnet Mask being used by the Internet ADSL port of the modem Domain Name Server DNS Displays the DNS Server IP addresses being used by the modem These addresses are usually obtained dynamically from the ISP LAN Port These parameters apply to the Ethernet port of the modem MAC Address Displays the Ethernet MAC address being used by the Local LAN port of the modem IP Address Displays the IP addre...

Page 35: ...tes how the modem has detected the ADSL parameters are configured except for the Line Up Time which indicates the time elapsed since the last reset or power cycle The lower table provides information about the quality of upstream and downstream data These statistics will be of interest to your technical support representative if you are having problems obtaining or maintaining a connection Figure ...

Page 36: ...ing properly Display the Routing Table to identify what other modems the modem is communicating with Reboot the modem to enable new network configurations to take effect or to clear problems with the modem s network connection Table 3 1 Router Statistics Fields Field Description Line Rate Average data rates Attainable Line Rate The maximum attainable line rates Typically the downstream speed is fa...

Page 37: ...nual Managing Your Modem 3 9 v1 0 August 2006 From the Maintenance section of the main menu select Diagnostics If you click Run Diagnostic Tests the utility will run and display the test results similar to the following Figure 3 6 Figure 3 7 ...

Page 38: ...DM111P ADSL2 Ethernet Modem Reference Manual 3 10 Managing Your Modem v1 0 August 2006 The following diagram is a typical routing table shown when you click Display Figure 3 8 ...

Page 39: ...ting the Internet Connection on page 4 5 I can t remember the modem s management utility password Go to Restoring the Default Configuration and Password on page 4 7 I want to clear the modem configuration and start over again Go to Restoring the Default Configuration and Password on page 4 7 Basic Functioning After you turn on power to the modem the following sequence of events should occur 1 When...

Page 40: ...tact technical support Power LED Never Turns Green If the Power LED never turns green the modem s self test procedure failed Cycle the power to see if the modem recovers Clear the modem s configuration to factory defaults This will set the modem s IP address to 192 168 0 1 This procedure is explained in Using the Reset button on page 4 7 If the error persists you might have a hardware problem and ...

Page 41: ...om the Setup section of the main menu Make sure your login name and account password are correct and the ADSL settings are set to the values required by your ISP If the ADSL light was solid on but is now blinking try switching off the modem waiting 30 seconds and then switching back on again to see if the modem recovers If the problem persists try the following Check with your ISP that your servic...

Page 42: ...If your modem is connected to your computer via a router make sure the computer s IP address is on the same subnet as the router and the router is on a different subnet from the modem The LAN IP addresses of the modem and router will normally be printed on a label on the bottom or rear of the unit For details about changing the modem s IP address see Setting Up Your Ethernet Connection on page 2 8...

Page 43: ...ternet but your Internet LED is green or blinking green you should determine whether the modem is able to obtain an IP address from the ISP Unless you have been assigned a static IP address your modem must request an IP address from the ISP You can determine whether the request was successful using the browser interface To check the WAN IP address from the browser interface 1 Launch your browser a...

Page 44: ...ust 2006 Log in to the modem management interface as described in Opening the Web Based Modem Management Utility on page 2 4 note the modem status run the modem diagnostics as described in Chapter 3 Managing Your Modem and contact your ISP s technical support representative ...

Page 45: ...s information from the modem by DHCP reboot the computer and verify the modem address as described in Preparing a Computer for Network Access in Appendix B Restoring the Default Configuration and Password This section explains how to restore the factory default configuration settings changing the modem s administration password to password and the IP address to 192 168 0 1 You can erase the curren...

Page 46: ...DM111P ADSL2 Ethernet Modem Reference Manual 4 8 Troubleshooting v1 0 August 2006 ...

Page 47: ...ingdom Australia 240V 50 Hz input Europe 230V 50 Hz input Japan 100V 50 60 Hz input All regions output 12 V AC 1 0A output Physical Specifications Dimensions 6 9 x 4 7 x 1 1 175 mm x 119 mm x 28 mm Weight 0 7 lbs 0 3 kg Environmental Specifications Operating temperature 0 to 40 C 32º to 104º F Operating humidity 90 maximum relative humidity noncondensing Electromagnetic Emissions Meets requirement...

Page 48: ...DM111P ADSL2 Ethernet Modem Reference Manual A 2 Technical Specifications v1 0 August 2006 ...

Page 49: ...e understanding of the technologies used in your NETGEAR product Document Link Internet Networking and TCP IP Addressing http documentation netgear com reference enu tcpip index htm Preparing a Computer for Network Access http documentation netgear com reference enu wsdhcp index htm Glossary http documentation netgear com reference enu glossary index htm ...

Page 50: ...DM111P ADSL2 Ethernet Modem Reference Manual B 2 Related Documents v1 0 August 2006 ...

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