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D-Link DSL-524B
ADSL2/2+ 4-port Ethernet Router
User Manual
Building Networks for People
RECYCLABLE
2007/05/17
Ver. 1.00
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Table of Contents
1.OVERVIEW.......................................................................................................................................................3
1.1 ABOUT ADSL.....................................................................................................................................3
1.2
ABOUT ADSL2/2+ .............................................................................................................................3
1.3
FEATURES.........................................................................................................................................3
2 SPECIFICATION..............................................................................................................................................4
2.1 Front Panel View...........................................................................................................................4
2.2 Back Panel View.............................................................................................................................4
3. CONFIGURATION ..........................................................................................................................................5
3.1
DEFAULT CONFIGURATION...................................................................................................................5
3.2
COMPUTER CONFIGURATION...............................................................................................................5
3.3
ADSL MODEM CONFIGURATION..........................................................................................................5
3.3.1 Log In...........................................................................................................................................5
3.3.2 Save Setting................................................................................................................................6
3.4
WAN CONFIGURATION ........................................................................................................................6
3.4.1 Configuration Guide...................................................................................................................6
3.4.2 RFC1483 Bridge Configuration................................................................................................8
3.4.3 PPPOE Configuration..............................................................................................................10
3.4.4 Static Address........................................................................................................................... 11
4 OTHER CONFIGURATION ..........................................................................................................................12
4.1
LAN CONFIGURATION........................................................................................................................12
4.1.1 Configuration of Modem’s IP Address...................................................................................12
4.1.2 DHCP Configuration................................................................................................................12
4.2 Password Configuration.............................................................................................................13
5. TROUBLESHOOTING.................................................................................................................................14
5.1
UNABLE TO ACCESS INTERNET.........................................................................................................14
5.1.1 CHECK THE LINE AND THE DEVICE.................................................................................14
5.1.2 CHECK YOUR CONFIGURATION........................................................................................14
ANNEX：SHIPPING LIST.......................................................................................................15
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1.OVERVIEW
1.1 ABOUT ADSL
An ADSL MODEM is a broadband Internet access device, which utilizes the high frequency
segment of the phone line to transmit high-speed data without affecting the voice transmission. The
frequency of the ADSL signal is higher than that of voice, so voice and ADS L signal can coexist in one
line by using a splitter to insulate each from the other . ADSL data transfer adapts the asymmetry model.
It supports upload transmission speed up to 1Mbps and download speed up to 8 Mbps (24Mbps for
ADSL2+). ADSL is an ideal device for broadband access.
1.2 ABOUT ADSL2/2+
Transmission performance of ADSL2 is improved comparing with the first generation of ADSL.
These improvements are mainly concerned with long distance, anti-line-loss, anti-noise, etc. By
doubling the transmission bandwidth, ADSL2+ has implemented a downlink rate as high as 24 Mbps.
Therefore, Internet applications such as synchronous transmission of multi video stream, online
games and huge capacity of downloading files are made possible.
1.3 FEATURES
1、 Support ANSI T1.413 ISSUE 2、 ITU G .992.1 (G.DMT)、ITU G.992.2 (G.LITE)、ITU G992.3、
ITU G992.5
2、 Web-based configuration and monitoring.
3、 Support multiple PVCs.
4、 Routing function.
5、 NAPT、DHCP function.
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2 SPECIFICATION
2.1 FRONT PANEL VIEW
Table 2.1
Name Condition Color Timing
Power ON Green Solid
①Power
Power OFF Dark
Link Green Solid
②ADSL Link/Act
Active
Green Blinking
System Normal Operating Green Blinking
③LAN Status
System
Fail Green or Dark Solid
Link Green Solid
Indicator
④Internet Link/Act
Active Green Blinking
2.2 BACK PANEL VIEW
ADSL Port
RJ-11 telephone port connects telephone cable to DSL line.
LAN 1-4 Ports
RJ-45 connects the unit to Ethernet devices such as a PC or a switch.
Power Input
Connects to the power adapter.
Power ON / OFF Switch
Press to turn the router on and off.
DS L- 524 B
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3. CONFIGURATION
3.1 DEFAULT CONFIGURATION
ADSL MODEM has pre-configured with the VCI/VPI which is in common use. The default dial-up
mode is bridge encapsulation. For bridge mode, no need to configure any more parameter. However,
the third party dial-up software is needed for connection with the Internet.
3.2 COMPUTER CONFIGURATION
The default IP address for ADSL MODEM is: 10.1.1.1; The Subnet Mask is：255.0.0.0. Users can
configure ADSL MODEM through an Internet browser. ADS L Modem can be used as gateway and
DNS server; users need to set the computer’s TCP/IP protocol as follow:
1、 Set the computer IP address at same segment of ADSL Modem, such as set the IP address of
the network card to one of the “10.1.1.2”～ “10.1.1.254”.
2、 Set the computer’s gateway the same IP address as the ADSL Modem’s.
3、 Set computer’s DNS server the same as ADSL Modem’s IP address or that of an effective
DNS server.
3.3 ADSL MODEM CONFIGURATION
3.3.1 LOG IN
Open the browser; input http://10.1.1.1 at the address column. Press “Enter” key then the entry
dialog box will show up as Figure 3.1. Input Username: admin , Password: admin (capital sensitive),
then press Enter.
Figure 3.1
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3.3.2 SAVE SETTING
After getting through each page for parameters setting, click “Save” or “Save apply” to store the
value
in ADSL Modem. Briefly, we named “Save”.
Note
：：
When you save the settings, the web page will be refreshed slowly, please wait it finished.
After
you save the settings, it will take effect until next reboot.
Some
settings only take effect after rebooting the router.
3.4 WAN CONFIGURATION
If the configuration is bridge encapsulation, there is no need to configure any more parameters.
Only
need to use the third party dial-up software to connect the Internet.
Totally, this router supports：PPPoA、PPPoE、MER、IPoA、Bridging. For detail configuration
information,
please check the following configuration guide.
3.4.1 CONFIGURATION GUIDE
Click “WAN” on the left page, enter into “WAN” configuration page.
Note:
At most we can have eight connections. If you need to add a new connection, please
delete
or modify an existing connection.
Figure
3.2
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Click on the next connection which you want modify. Press “Edit” button, enter the configure guide,
as
Figure 3.3
Figure
3.3
The value for VPI/VCI is assigned by your ISP. After inputting the PVC value, press “Next” into
“connection
type”. As Figure 3.4.
Figure 3.4
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The Modem supports five ADSL protocol modes. Choose the protocol which is appointed by ISP
and
PVC encapsulation, click “Next” enter to the protocol configure. Below, we introduce the
configuratio
ns of the five protocol modes.
• PPP over ATM (PPPoA) • PPP over Ethernet (PPPoE)
• MAC Encapsulated Routing (MER) • IP over ATM (IPoA)
• Bridging
Some connection lines need to confirm the LLC or VC, if you can’t confirm, please don’t modify
the
default value or ask your ISP.
3.4.2 RFC1483 BRIDGE CONFIGURATION
Select the Bridging mode. Then press “Next” to specify the Service Name, and select the “Enable
Service”
as Figure 3.5.
Figure
3.5
Press
“Next” to enter into “WAN configuration”, click “save” to save configuration, if you need to
modify
the parameter, click “back” as Figure 3.6.
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Figure 3.6
Note
：：
When you use bridge mode, please close “DHCP SERVER”, the result as Figure 3.7
Figure
3.7
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3.4.3 PPPOE CONFIGURATION
PPPoE is also known as RFC 2516. It is a method of encapsulating PPP packets over Ethernet.
PPPoA is also known as RFC2364 and named as Peer to Peer Protocol over ATM. As PPPoE, it
also
has all the features of PPP. Although it’s based on ATM protocol, the setting of all the other
parameters is similar with PPPoE. So we only introduce PPPoE in detail here.
In
Figure 3.4, select PPP over Ethernet (PPPoE), press “Next step” entering the configuring interface,
as
Figure 3.8.
Figure
3.8
PPP Username: Your account from ISP to access Internet.
PPP Password: Input the password assigned by your ISP.
PPPoE service name: Server name of network ISP. No need to set.
Authentication Method: Authentication mode of network ISP. Default is AUTO.
Dial on demand: When this mode is selected, the connection that has no traffic within assigned
disconnect
timeout (e.g. 1 minute) will be automatically disconnected. The connection
will
be activated again when traffic arrives. This function is advantageous for users
who
are charged with online time. It should be noticed that some programs
automatically
link to Internet. Computer will send data to network when infected by
virus.
Connection will not be disconnected under these data streams.
Inactivity Timeout (minutes) [1-4320]: When “Connection on demand” is selected, this input box
indicates
that after how
long the connection will be disconnected in the absence of traffic. If the value is 0, connection will
not
be disconnected.
PPP IP Extension: The PPP IP Extension is a special feature deployed by some service providers.
Unless
your service provider specifically requires this setup, do not select it.
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Use Static IP Address: Default gateway can be gotten automatically from your ISP or set as static
IP address or selected from the Use WAN Interface drop-down list.
Press
“Next step” when configuration is finished. The following operation is same with Figure 3.5.
Notice
that PPPoE mode does not work until the modem is reset.
3.4.4 STATIC ADDRESS
In Figure3.4, select MAC Encapsulation Routing (MER), press “Next”, and the configuration can
be
queried from your ISP, the result as Figure3.9.
Figure
3.9
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4 OTHER CONFIGURATION
4.1 LAN CONFIGURATION
Configuration of Modem’s IP address and password
4.1.1 CONFIGURATION OF MODEM’S IP ADDRESS
As a network device, ADSL Modem has its own IP address and MAC address. The factory sets
the
MODEM, at a default IP address of 10.1.1.1 and subnet mask of 255.0.0.0. The user can configure
these
addresses through the “LAN” on “Configuration” like this:
For
example, change IP address to “10.1.1.1”. Click ”LAN”, input “IP address”: 10.1.1.1, then
“subnet
mask”: 255.0.0.0, the result is as Figure4.1, press “save”.
Figure
4.1
Note
：：
If you change IP address, it will take effect after you reboot the modem. You must use the
new
IP address to login.
4.1.2 DHCP CONFIGURATION
• Click “LAN ”
• Click “DHCP server”；
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• Define the “Start IP address” and the “End IP address” of DHCP server (for example, from
10.1.1.2
to 10.1.1.254).
• Input the value of lease (Measured by the second, 0 indicates permanently valid).
As Figure 4.2, open DHCP server, computer will set the IP Address of network card with one of the
add
ress 10.1.1.2 ～ 10.1.1.254.
Figure 4.2
Note
：：
When you use the DHCP Server, please pay attention to having multi-DHCP Server in one
LAN.
4.2 PASSWORD CONFIGURATION
When you configure ADSL MODEM through an Internet browser, the system requires user name
and
password to validate access permission. The factory sets the modem at a default username of
“admin” and the password of “admin”. The username is unchanged. You can enter the “password
configuratio
n” on Configuration column to change the password.
Attention: please remember the password after change, otherwise you will not be
able to change configuration after saving setting
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5. TROUBLESHOOTING
5.1 UNABLE TO ACCESS INTERNET
5.1.1 CHECK THE LINE AND THE DEVICE
1、 Check the indicator of power supply is on, if not, Make sure the connection of power supply is
correct; Make sure the output of power supply is correct; Make sure the switch of power
supply is turned on；
2、 Check the indicator of PC is on, if not, Make sure the connection of cable and network adapter;
Make sure that the correct cable is used;
3、 Check the LINK LED to see if it is twinkling. If no fast twinkling is observed within 3 minutes,
please check whether phone line has been correctly placed; whether ADSL separator is
correctly used. If multiple extensions have been installed, make sure that the separator is
installed prior to the junction box of phone line. If the above items are confirmed and still no
fast twinkling of WAN LED is observed, call the ISP to query whether ADSL service has been
provided on your line;
4、 Check the LINK LED to see whether it is unable to change status from fast twinkling to always
light, or whether it changes status to fast twinkling after sometime of always light. If these
phenomena occur constantly, please contact your ISP with a demand to check lines and
signal quality;
If there is no problem in the above items, the line and the device shall be working. Problems may
come from your computer configuration or device configuration.
5.1.2 CHECK YOUR CONFIGURATION
We explain here the configuration of PPPOE using Windows 2000 operation system as an
example. For other operation systems the process is similar.
1、 Enter the device manager to check if Ethernet adapter is correctly installed. If any problem
exists, please re-installed it;
2、 Check the configuration of Ethernet adapter in PC. Try to manually set IP address that is in
band 10.1.1.x
without conflict. See 3.2;
3、 Try to run command “ping 10.1.1.1” on command line mode. If the response returns “time out”,
please check Ethernet connection and IP settings;
4、 If this modem is reachable, try to run ping with a known outer IP,
z If ping is reachable, there shall be no problems in the modem. Please see step 5;
z If ping is not reachable, see step 6 and check if the configuration is correct.
5、 Please try to ping a certain outer URL, e.g. “ping www.google.com”.
z If ping is reachable, there shall be no problems in the network settings. Please check the
settings of the PC terminal, e.g. whether the security level is too high, or whether
anti-virus firewall is installed;
z If ping is not reachable, check the DNS setting of Ethernet adapter. See 3.2.
Note 1：The precondition is that LAN settings in the modem has not been modified.
Note 2：We usually start command line mode in Windows 2000 as follows: click on the “RUN” item of
Windows Start Menu, input characters “cmd” in the input box popped up with an “Enter”. The
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window subsequently popped up is the command line window.
Note 3：The returned values of ping command in the following format show the standard of “reachable”
Figure 5.1
6、 If ping of the modem is reachable but ping of the outer fixed IP is unreachable, attention
should be concentrated upon device settings. Please enter the configuring interface following
the instructions in this manual.
（1） Check first the number of connections. If more than one connection exists, for
troubleshooting , delete unused connections and remain the one connection you are
using.
（2） Check the connection to see whether correct “type” is selected. It’s normal to choose login
type of PPPoE. When you use PPPoE to login, the following information should be
provided: VPI and VCI, which can be queried from your ISP, user name and password.
（3） Then make sure that “using NAT” and “default gateway” have been selected with a tick.
Check whether “connect on demand” has been selected with a tick. If it is selected, the
connection is activated only when traffic to outer networks arrives. If not selected, check
“keep connection”, which should be set to 0 if you demand to keep connection
Make sure that the above parameters are saved after configuration. Internet is now available
since the configuration is properly done.
ANNEX：SHIPPING LIST
ADSL MODEM ×1
Quick Installation Guide ×1
Power Supply ×1
Cable Cat5 RJ45 ×1
Telephone Line ×1
User CD ×1
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