Summary of Contents for EDATA COMMUNICATIONS INC. DSL-2140 Series
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Page 1: User Guide
DSL-2140/2140W Series ADSL2PLUS 4-port Router User Guide Revision 1.0 Jan/2008 Proprietary & Confidential Page 1 of 80 Revision: V1.0 Jan. 19 2008... -
Page 2: Table Of Contents
Contents Chapter 1- Getting to Know the DSL-2140/2140W................6 1.1 Features of the DSL-2140/2140W..................... 6 1.2 Applications for the DSL-2140/2140W..................... 8 1.2.1 Accessing the Internet........................9 1.2.2 Making LAN to LAN Connections....................9 Chapter 2 - Introducing the Web Configurator ................... 10 2.1 Accessing the DSL-2140/2140W Web Configurator .............. - Page 3 4.3.2 Introducing DHCP ........................29 4.3.3 Enabled DHCP..........................29 4.3.4 Relay DHCP ..........................30 4.4 The Wireless LAN Screen (for DSL-2140W only) ................. 31 4.4.1 Access Point Settings ......................... 32 4.4.2 Multiple SSIDs Settings....................... 33 4.4.3 Wireless MAC Address Filter ...................... 33 4.4.3.1 WEP............................
- Page 4 6.4.2.1 Installing UPnP in Windows Me ....................57 6.4.2.2 Installing UPnP in Windows XP ....................58 6.4.2.3 Web Configurator Easy Access ....................63 6.5 Dynamic DNS ..........................65 6.5.1 DYNDNS Wildcard........................65 6.5.2 Configuring Dynamic DNS ......................65 6.6 CWMP .............................. 66 Chapter 7 - The Maintenance Screens ....................
- Page 5 Proprietary & Confidential Page 5 of 80 Revision: V1.0 Jan. 19 2008...
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Page 6: Chapter 1- Getting To Know The Dsl-2140/2140W
Chapter 1- Getting to Know the DSL-2140/2140W Your DSL-2140/2140W integrates high-speed 10/100Mbps auto-negotiating LAN interface(s) and a high-speed ADSL port. The DSL-2140/2140W is perfect for making LAN-to-LAN connections to remote networks and for high-speed Internet browsing. The DSL-2140/2140W provides lightning-fast Internet access to multiple users by combining Direct Subscriber Line (DSL) and Network Address Translation (NAT). - Page 7 You must register for this service with a Dynamic DNS client. Multiple PVC (Permanent Virtual Circuit) Support Your DSL-2140/2140W supports up to 8 PVCs. ADSL Standards ♦ Compliant to ITU-T G.992.1 (G.dmt), G.992.3 (ADSL2), G.992.4, and G.992.5 (ADSL2+) Annex A, B, I, J, L, and M ♦...
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Page 8: Applications For The Dsl-2140/2140W
♦ PPPoE feature PPPoE idle time out PPPoE dial on demand Networking Compatibility The DSL-2140/2140W is compatible with major ADSL Digital Subscriber Line Access Multiplexer (DSLAM) providers. Multiplexing The DSL-2140/2140W supports VC-based and LLC-based multiplexing. Encapsulation The DSL-2140/2140W supports PPP over ATM Adaptation Layer 5 (PPPoA, RFC 2364), RFC 1483 encapsulation over ATM, MAC encapsulated routing (ENET Encapsulation) as well as PPP over Ethernet (RFC 2516). -
Page 9: Accessing The Internet
1.2.1 Accessing the Internet The DSL-2140/2140W is an ideal high-speed Internet access solution. It supports the TCP/IP protocol, which the Internet uses exclusively. The DSL-2140/2140W is compatible with all major ADSL DSLAM providers. A DSLAM is a group of ADSL line cards with data multiplexed into a network interface/connection, such as T1, OC3, DS3, ATM or Frame Relay. -
Page 10: Chapter 2 - Introducing The Web Configurator
Chapter 2 - Introducing the Web Configurator Your DSL-2140/2140W can be managed from anywhere with the embedded Web configurator using a Web browser, such as Microsoft Internet Explorer or Netscape Navigator. Internet Explorer 6.0 and later or Netscape Navigator 7.0 and later versions with JavaScript enabled should be used. -
Page 11: Resetting The Dsl-2140/2140W
Click on Advanced Setup to configure advanced DSL-2140/2140W features. Click on Access Management to manage Internet access options. Click on Maintenance to set a new password, to set the time zone, to upgrade or reload firmware and to run diagnostic tests on the DSL-2140/2140W. Click on Status to see DSL-2140/2140W device information, system logs and performance statistics. -
Page 12: Using The Reset Button
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 release it. When the SYS LED begins to blink, the default configurations have been restored and the DSL-2140/2140W will then restart. -
Page 13: Chapter 3 - The Quick Start Wizard
Chapter 3 - The Quick Start Wizard Use the Quick Start wizard to configure your system settings. Your ISP may have configured some of the fields in the wizard for you. Click 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. -
Page 14: Choosing The Time Zone
The following table describes the labels in this screen. LABEL DESCRIPTION New Password Enter the password you wish to use here Confirmed Password Enter the password again to confirm Click on BACK to return to the previous screen, on NEXT to continue, or on EXIT to exit the wizard without saving. -
Page 15: Setting The Isp Connection Type
3.3 Setting the ISP Connection Type This screen helps you select, then configure, your ISP connection type. Select the Internet connection type you use to connect to your ISP. Click on BACK to 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. -
Page 16: Configuring Static Ip Address
The following table describes the labels in this screen. LABEL DESCRIPTION Enter the VPI here. VPI can range from 0 to 255. Enter the VCI here. VCI can range from 1 to 65535. Connection Type Select your connection type from the dropdown list. Your ISP should provide the above information. -
Page 17: Configuring Pppoe
The following table describes the labels in this screen. LABEL DESCRIPTION Enter the VPI here. VPI can range from 0 to 255. Enter the VCI here. VCI can range from 1 to 65535. IP Address Enter the IP address here. Subnet Mask Enter the Subnet Mask here. -
Page 18: Configuring Pppoa
The following table describes the labels in this screen. LABEL DESCRIPTION Username Enter your username here. Password Enter your password here. Enter the VPI here. VPI can range from 0 to 255. Enter the VCI here. VCI can range from 1 to 65535. Connection Type Select your connection type from the dropdown list. -
Page 19: Configuring Bridge Mode
The following table describes the labels in this screen. LABEL DESCRIPTION Username Enter your username here. Password Enter your password here. Enter the VPI here. VPI can range from 0 to 255. Enter the VCI here. VCI can range from 1 to 65535. Connection Type Select your connection type from the dropdown list. -
Page 20: Multiplexing
The following table describes the labels in this screen. LABEL DESCRIPTION Enter the VPI here. VPI can range from 0 to 255. Enter the VCI here. VCI can range from 32 to 65535. Connection Type Select your connection type from the dropdown list. Your ISP should provide the above information. -
Page 21: Vpi And Vci
processing overhead, this method may be advantageous if it is not practical to have a separate VC for each carried protocol; for example, if charging heavily depends on the number of simultaneous VCs. 3.3.7 VPI and VCI Be sure to use the Virtual Path Identifier (VPI) and Virtual Channel Identifier (VCI) numbers assigned to you. -
Page 22: Chapter 4 - The Interface Setup Screens
Chapter 4 - The Interface Setup Screens The Interface Setup screens help you connect your DSL-2140/2140W to the Internet and to your local network. 4.1 Interface Setup Overview The physical connections determine whether the DSL-2140/2140W ports are local area network (LAN) ports or wide area network (WAN) ports. There are two kinds of IP networks. The local, private kind is the LAN network;... -
Page 23: Atm Vc & Qos
4.2.1 ATM VC & QoS Asynchronous transfer mode (ATM) is a protocol that arranges data into small, uniform-sized cells with VCI data, as opposed to variable-sized data packets. ATM settings are used to connect to your ISP. Your ISP provides your VPI and VCI setting information. You can configure up to 8 virtual circuits (VC), each using different encapsulations, if you apply for 8 different VCs from your ISP. -
Page 24: Encapsulation
Sustained Cell Rate (SCR) is the mean cell rate of a bursty, on-off traffic source that can be sent at the peak rate, and a parameter for burst-type traffic. SCR may not be greater than the PCR; the system default is 0 cells/sec. Maximum Burst Size (MBS) is the maximum number of cells that can be sent at the PCR. -
Page 25: Dynamic Ip Address
4.2.2.1 Dynamic IP Address The following table describes the labels in this screen. LABEL DESCRIPTION Encapsulation Select your encapsulation type from the dropdown list. Bridge interface Select whether Bridge interface is activated or deactivated. Select whether NAT is Enabled or Disabled. Default Route Select whether this PVC will be the default route for Internet data. -
Page 26: Pppoe/Pppoa
LABEL DESCRIPTION Encapsulation Select your encapsulation type from the dropdown list. Static IP Address Enter the static IP Address here. IP Subnet Mask Enter the IP Subnet Mask here. Gateway Enter the Gateway address here. Select whether NAT is Enabled or Disabled. Default Route Select whether this PVC will be the default route for Internet data. -
Page 27: Bridge Mode
Password Enter your password here. Encapsulation Select your encapsulation type from the dropdown list. Bridge interface Select whether Bridge interface is activated or deactivated. Connection Select whether your connection is always on or if it connects on demand. If on demand, specify how many minutes the connection may be idle before it disconnects. -
Page 28: Router Local Ip
4.3.1 Router Local IP The following table describes the labels in this screen. LABEL DESCRIPTION IP Address Enter the IP address you wish to use with your LAN here. IP Subnet Mask Enter the IP subnet mask you wish to use with your LAN here. Dynamic Route Select the Routing Information Protocol (RIP) you wish to use from the dropdown list and the direction you want from the dropdown list. -
Page 29: Introducing Dhcp
Only” means the DSL-2140/2140W will only send RIP packets, not accept any RIP packets received. Selecting “None” means the DSL-2140/2140W will not send any RIP packets nor will it accept any RIP packets received. The Dynamic Route field controls the format and the broadcasting method of RIP packets that the DSL-2140/2140W sends. -
Page 30: Relay Dhcp
The following table describes the labels in this screen. LABEL DESCRIPTION Starting IP Address Enter the starting IP address you wish to use as the DHCP server's IP assignment. IP Pool Count Enter the maximum user pool size you wish to allow. Lease Time Enter the amount of time you wish to lease out a given IP address. -
Page 31: The Wireless Lan Screen (For Dsl-2140W Only)
A DHCP relay is a computer that forwards DHCP data between computers that request IP addresses and the DHCP server that assigns the IP addresses. If the DHCP Relay option is enabled, DHCP requests from local PCs will be forwarded to the DHCP server that runs on WAN side. -
Page 32: Access Point Settings
4.4.1 Access Point Settings The following table describes the labels in this screen. LEBAL DESCRIPTION Access Point Default setting is set to Activated. If you do not have any wireless, both 802.11g and 802.11b, device in your network, select Deactived. Channel The range of radio frequencies used by IEEE 802.11b/g wireless devices is called a channel. -
Page 33: Multiple Ssids Settings
4.4.2 Multiple SSIDs Settings The following table describes the labels in this screen. LEBAL DESCRIPTION SSID Index, SSID The SSID is the unique name of a wireless access point (AP) to be distinguished from another. For security propose, change the default name to a unique ID name to the AP which is already built-in to the router’s wireless interface. -
Page 34: Wep
name for a particular network adapter; the network cards (or built-in network adapters) in two different computers will have different names. However, it is possible to change the MAC address on most of today's hardware. You need to know the MAC address of the devices to configure this screen. To change your router’s MAC filter settings, click Wireless LAN, MAC Filter to open the MAC Filter screen. -
Page 35: Wpa-Psk
If you chose WEP 128-bits, then enter 13 ASCII characters or 26 hexadecimal characters ("0-9", "a,b,c,d,e,f"). You must configure all four keys, but only one key can be activated at any one time. The default key is key 1. 4.4.3.2 WPA-PSK Encryption: TKIP (Temporal Key Integrity Protocol) utilizes a stronger encryption method and incorporates Message Integrity Code (MIC) to provide protection against hackers. -
Page 36: Chapter 5 - The Advanced Setup Screens
Chapter 5 - The Advanced Setup Screens The advanced setup screens help you manage how data enters and exits your DSL-2140/2140W. 5.1 The Firewall Screen In the Firewall Screen, users are able to change the statue of Firewall and SPI. The following table describes the options in this screen. -
Page 37: The Nat Screen
The following table describes 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. -
Page 38: What Nat Does
The following table describes the labels in this screen. LABEL DESCRIPTION Virtual Circuit Select the virtual circuit you wish to edit from the dropdown list. NAT Status The NAT status of the selected VC. Number of IPs Toggle whether the Virtual Circuit NAT affects a Single IP or Multiple IPs. -
Page 39: How Nat Works
Note that inside/outside refers to the location of a host, while global/local refers to the IP address of a host used in a packet. Thus, an inside local address (ILA) is the IP address of an inside host of a packet when the packet is still in the local network, while an inside global address (IGA) is the IP address of the same inside host when the packet is on the WAN side. -
Page 40: Nat Application
5.3.1.3 NAT Application The following figure illustrates a possible NAT application, where three inside LANs (logical LANs using IP Alias) behind the DSL-2140/2140W can communicate with three distinct WAN networks. More examples follow at the end of this chapter. 5.3.1.4 NAT Mapping Types NAT supports five types of IP/port mapping. -
Page 41: Dmz
one global IP address. 2. Many-to-One: In Many-to-One mode, the DSL-2140/2140W maps multiple local IP addresses to one global IP address. 3. Many-to-Many Overload: In Many-to-Many Overload mode, the DSL-2140/2140W maps multiple local IP addresses to shared global IP addresses. 4. -
Page 42: Virtual Server
The following table describes the labels in this screen. LABEL DESCRIPTION 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. -
Page 43: The Qos Screen
LABEL DESCRIPTION Rule Index Select which rule index to use with this virtual circuit. All VCs with the same IP will use the same rules. Application Select the Application you wish to support like: FTP, H.323…etc Protocol Select the protocol you wish to support: TCP, UDP or BOTH Start Port Number Enter the specific port number you wish to start forwarding at. -
Page 44: Rule
5.4.1 Rule You can set 16 different QoS rules. Each QoS rule has its detail setting conditions like: 802.1p,application, DSCP, IP, MAC, Protocol, TOS, VLAN…etc, you can modify the default value to any new one you wish. Please notice that only when the packet fulfill every detail setting conditions here, then this packet will be remarked as the priority queue of each rule. - Page 45 The following table describes the labels in this screen. LABEL DESCRIPTION Rule Index Select 16 different rules, each rule’s detail can be set and saved Active Select QoS is activated or deactivated Application Select 11 different 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...
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Page 46: Action
802.1p Set the remarked new 802.1p priority value on the packet that fulfill every detail setting condition of each rule 5.4.2 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... -
Page 47: Assigning Vlan Pvid For Each Interface
Click on Assign VLAN PVID for each Interface or Define VLAN group to open the respective screens. 5.5.1 Assigning VLAN PVID for Each Interface The following table describes the labels in this screen. LABEL DESCRIPTION ATM VC #0: PVID Enter the PVID number you wish to assign to ATM VC#0 VC #1: PVID Enter the PVID number you wish to assign to ATM VC#1 Proprietary &... -
Page 48: Defining Each Vlan Group
VC #2: PVID Enter the PVID number you wish to assign to ATM VC#2 VC #3: PVID Enter the PVID number you wish to assign to ATM VC#3 VC #4: PVID Enter the PVID number you wish to assign to ATM VC#4 VC #5: PVID Enter the PVID number you wish to assign to ATM VC#5 VC #6: PVID... -
Page 49: The Adsl Screen
LABEL DESCRIPTION VLAN Index The number of the index is determined by the model or IC. Active Toggle this index on or off with Yes and No, respectively. VLAN ID Enter the VLAN ID number. ATM VCs Checking the Tagged and Port # boxes for each port number will add a tag to let other devices know if they need to check the packet and allow the packet through to the port in question, respectively. -
Page 50: Chapter 6 - The Access Management Screens
Chapter 6 - The Access Management Screens The access management screens help you manage what can access your network. 6.1 The ACL Screen Access Control Listing (ACL) is a management tool that acts as a filter for incoming or outgoing packets, based on application. The following table describes the labels in this screen. -
Page 51: The Filter Screen
6.2 The Filter Screen Filter is a more complex filtering tool. Three filter types are available in DSL-2120: IP/MAC filter, Application Filter, and URL Filter. 6.2.1 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. - Page 52 LABEL DESCRIPTION IP/MAC Filter Set Select the IP/MAC Filter Set you wish to modify. Index Interface Select the Interface you wish to modify. PVC0-PVC7 are WAN interfaces Direction Select which direction of data flow you wish to apply the filters to. Note that Incoming and Outgoing are from the point of view of your router, relative to the interface you select.
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Page 53: Assigning Application Filter
6.2.2 Assigning Application Filter The following table describes the labels in this screen. LABEL DESCRIPTION Application Filter Select Application Filter is activated or deactivated. Select allow or deny ICQ traffic. 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. -
Page 54: Assigning Url Filter
6.2.3 Assigning URL Filter The following table describes the labels in this screen. LABEL DESCRIPTION Active Toggle the rule on or off with Yes or No, respectively. URL Index Select the URL Rule Index you wish to modify . Enter the URL 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. -
Page 55: The Upnp Screen
The following table describes the labels in this screen. LABEL DESCRIPTION Get Community Enter the password for incoming Get- and GetNext requests from the management station. Set Community Enter the password for incoming Set requests from the management station. The default password is ‘public’. When you are done making changes, click on SAVE to save your changes. -
Page 56: Cautions With Upnp
UPnP. 6.4.1.2 Cautions with UPnP The automated nature of NAT traversal applications in establishing their own services may present network security issues. Network information and configuration may be obtained and modified by users in some network environments. All UPnP-enabled devices may communicate freely with each other without additional configuration. -
Page 57: Installing Upnp In Windows Me
6.4.2.1 Installing UPnP in Windows Me Follow the steps below to install the UPnP in Windows Me. Step 1. Click on Start and then on Control Panel. Double-click Add/Remove Programs. Step 2. Click on the Windows Setup tab and select Communication in the Components selection box. -
Page 58: Installing Upnp In Windows Xp
6.4.2.2 Installing UPnP in Windows XP Follow the steps below to install the UPnP in Windows XP. Step 1. Click on Start and then on Control Panel. Step 2. Double-click on Network Connections. Step 3. In the Network Connections window, click on Advanced in the main menu and select Optional Networking Components... - Page 59 Step 6. Click on OK to go back to the Windows Optional Networking Component Wizard window and click on Next. Using UPnP in Windows XP Example This section shows you how to use the UPnP feature in Windows XP. You must already have UPnP installed in Windows XP and UPnP activated on the DSL-2140/2140W.
- Page 60 Step 3. In the Internet Connection Properties window, click on Settings to see the port mappings there were automatically created. Proprietary & Confidential Page 60 of 80 Revision: V1.0 Jan. 19 2008...
- Page 61 Step 4. You may edit or delete the port 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 &...
- Page 62 Step 6. Double-click on the icon to display your current Internet connection status. Proprietary & Confidential Page 62 of 80 Revision: V1.0 Jan. 19 2008...
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Page 63: Web Configurator Easy Access
6.4.2.3 Web Configurator Easy Access With UPnP, you can access the Web-based configurator on the DSL-2140/2140W without knowing the IP address of the DSL-2140/2140W. Follow the steps below to access the Web configurator. Step 1. Click Start and then Control Panel. Step 2. - Page 64 Step 4. An icon with the description for each UPnP-enabled device displays under Local Network. Step 5. Right-click on the icon for your DSL-2140/2140W and select Invoke. The Web configurator login screen displays. Proprietary & Confidential Page 64 of 80 Revision: V1.0 Jan.
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Page 65: Dynamic Dns
Step 6. Right-click on the icon for your DSL-2140/2140W and select Properties. A properties window displays with basic information about the DSL-2140/2140W. 6.5 Dynamic DNS Dynamic DNS (DDNS) allows you to update your current dynamic IP address with one or many dynamic DNS services so that anyone can contact you through various applications. -
Page 66: Cwmp
Service Provider Select the name of your Dynamic DNS service provider. My Host Name Enter the domain name assigned to your DSL-2140/2140W by your Dynamic DNS provider here. E-mail Address Enter your e-mail address here. Username Enter your user name here. Password Enter the password assigned to you here. - Page 67 User Name Enter the username used to authenticate an ACS making a Connection Request 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.
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Page 68: Chapter 7 - The Maintenance Screens
Chapter 7 - The Maintenance Screens The maintenance screens help you manage your DSL-2140/2140W. 7.1 The Administration Screen Use the Administration screen to change your password. If you used the Quick Start wizard, you have already changed your password once. The following table describes the labels in this screen. -
Page 69: The Firmware Screen
Daylight Saving Daylight saving can be toggled Enabled or Disabled. NTP Server Address Enter the NTP server address you wish to use here. A Network Time Protocol (NTP) server can automatically set the DSL-2140/2140W’s time for you. If you use an NTP server, you will only need to select your time zone. If you manually set the time, you can enable Daylight Saving. -
Page 70: The Sysrestart Screen
7.4 The SysRestart Screen The SysRestart screen allows you to restart your DSL-2140/2140W with either its current settings still in place or the factory default settings. The following table describes the labels in this screen. LABEL DESCRIPTION System Restart with Select which settings you wish to use once the DSL-2140/2140W has finished restarting. -
Page 71: Chapter 8 - The Status Screen
Chapter 8 - The Status Screen The status screens give you information about various aspects of your DSL-2140/2140W’s settings. 8.1 The Device Info Screen The Device Info screen gives you information about your DSL-2140/2140W’s Internet-related settings. 8.1.1 Device Information The Device Information section tells you the current firmware your DSL-2140/2140W is using and what MAC address it is using. -
Page 72: Adsl
8.1.4 ADSL The ADSL section tells you what ADSL firmware your DSL-2140/2140W is using, the line state, the modulation type and annex 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-2140/2140W’s functioning. Click on CLEAR LOG to clear the log or on SAVE LOG, which will save the log data to a separate file. -
Page 73: The Statistics Screen
8.3 The Statistics Screen The statistics screen gives you information on how much data your DSL-2140/2140W has processed. 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-2140/2140W has transmitted and received across the Ethernet connection. -
Page 74: Adsl
8.3.2 ADSL The ADSL screen gives you information about how much data your DSL-2140/2140W has transmitted or received across the ADSL connection. Click on REFRESH to update the screen. Proprietary & Confidential Page 74 of 80 Revision: V1.0 Jan. 19 2008... -
Page 75: Appendix - Troubleshooting
Appendix - Troubleshooting This chapter covers potential problems and the corresponding remedies. A.1 Using LEDs to Diagnose Problems The Light-Emitting Diodes (LED) are useful aides for finding the possible causes of problems. A.1.1 Problem: POWER LED Doesn’t Light Up The Power (PWR) LED on the front panel does not light up. STEPS CORRECTIVE ACTION Make sure that the DSL-2140/2140W’s power adaptor is connected to the... -
Page 76: Problem: Can't Access Through Telnet
STEPS CORRECTIVE ACTION Check the telephone wire and connections between the DSL-2140/2140W DSL port and the wall jack. Make sure that the telephone company has checked your phone line and set it up for DSL service. Reset your ADSL line to reinitialize your link to the DSLAM. If the problem persists, contact your local distributor for assistance. -
Page 77: Problem: Forgotten Login Username And Password
Your computer’s and the DSL-2140/2140W’s IP addresses must be on the same subnet for LAN access. If you changed the DSL-2140/2140W’s LAN IP address, enter the new one as the URL. Remove any filters in LAN or WAN that block Web service. See also Section A.4. -
Page 78: Problem: Can't Access Wan Interface
connected to a computer or hub. If the 10M/100M LEDs on the front panel are both off, refer to Section A.1.2. Make sure that the IP address and the subnet mask of the DSL-2140/2140W and your computer(s) are on the same subnet. A.6 Problem: Can’t Access WAN Interface Initialization of the ADSL connection failed. -
Page 79: Problem: Can't Access Remote Management
Internet connection disconnects. STEPS CORRECTIVE ACTION Check the schedule rules. If you use PPPoA or PPPoE encapsulation, check the idle time-out setting. Contact your ISP. A.8 Problem: Can’t Access Remote Management I cannot remotely manage the DSL-2140/2140W from the LAN or WAN. STEPS CORRECTIVE ACTION Refer to the Remote Management Limitations section in the Firmware and Configuration... -
Page 80: Federal Communication Commission Interference Statement
Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential 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.
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