D Link DI524E1 IEEE802.11g Wireless Router User Manual DI 524 manual indd

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Troubleshooting
2. The wireless client cannot access the Internet in the
Infrastructure mode.
Make sure the wireless client is associated and joined with the correct Access
Point. To check this connection: Right-click on the Local Area Connection
icon in the taskbar> select View Available Wireless Networks. The Connect to
Wireless Network screen will appear. Please make sure you have selected the
correct available network, as shown in the illustrations below.
 Check that the IP Address assigned to the wireless adapter is within
the same IP Address range as the access point and gateway. (Since
the DI-524 has an IP Address of 192.168.0.1, wireless adapters must
have an IP Address in the same range, e.g., 192.168.0.x. Each device
must have a unique IP Address; no two devices may have the same IP
Address. The subnet mask must be the same for all the computers on
the network.) To check the IP Address assigned to the wireless adapter,
double-click on the Local Area Connection icon in the taskbar >
select the Support tab and the IP Address will be displayed. (Please
refer to Checking the IP Address in the Networking Basics section of
this manual.)
 If it is necessary to assign a Static IP Address to the wireless adapter,
please refer to the appropriate section in Networking Basics. If you
are entering a DNS Server address you must also enter the Default
Gateway Address. (Remember that if you have a DHCP-capable router,
you will not need to assign a Static IP Address. See Networking
Basics: Assigning a Static IP Address.)
56
Troubleshooting
3. Check that the drivers for the network adapters are
installed properly.
You may be using different network adapters than those illustrated here, but this
procedure will remain the same, regardless of the type of network adapters you are
using.
 Go to Start >
My Computer >
Properties
 Select the
Hardware
Tab
 Click Device
Manager
57
Troubleshooting
 Double-click
on Network
Adapters
 Right-click on D-Link
AirPlus DWL-G650
Wireless Cardbus
Adapter (In this example
we use the DWL-G650;
you may be using other
network adapters, but
the procedure will remain
the same.)
D-Link AirPlus DWL-G650
 Select Properties
to check that
the drivers are
installed properly
D-Link AirPlus DWL-G650 Wireless Cardbus Adapter
D-Link AirPlus DWL-G650 Wireless Cardbus Adapter
 Look under Device
Status to check that the
device is working
properly
 Click OK
58
Troubleshooting
4. What variables may cause my wireless products
to lose reception?
D-Link products let you access your network from virtually anywhere you want. However,
the positioning of the products within your environment will affect the wireless range.
Please refer to Installation Considerations in the Wireless Basics section of this
manual for further information about the most advantageous placement of your D-Link
wireless products.
5. Why does my wireless connection keep dropping?
 Antenna Orientation- Try different antenna orientations for the DI-524. Try to
keep the antenna at least 6 inches away from the wall or other objects.
 If you are using 2.4GHz cordless phones, X-10 equipment or other home
security systems, ceiling fans, and lights, your wireless connection will degrade
dramatically or drop altogether. Try changing the Channel on your Router, Access
Point and Wireless adapter to a different Channel to avoid interference.
 Keep your product away (at least 3-6 feet) from electrical devices that generate
RF noise, like microwaves, Monitors, electric motors, etc.
6. Why can’t I get a wireless connection?
If you have enabled Encryption on the DI-524, you must also enable encryption on all
wireless clients in order to establish a wireless connection.
 For 802.11b, the Encryption settings are: 64, 128, or 256 bit. Make sure that
the encryption bit level is the same on the Router and the Wireless Client.
 Make sure that the SSID on the Router and the Wireless Client are exactly the
same. If they are not, wireless connection will not be established.
 Move the DI-524 and the wireless client into the same room and then test the
wireless connection.
 Disable all security settings. (WEP, MAC Address Control)
59
Troubleshooting
6. Why can’t I get a wireless connection? (continued)
 Turn off your DI-524 and the client. Turn the DI-524 back on again, and then
turn on the client.
 Make sure that all devices are set to Infrastructure mode.
 Check that the LED indicators are indicating normal activity. If not, check that
the AC power and Ethernet cables are firmly connected.
 Check that the IP Address, subnet mask, gateway and DNS settings are correctly entered for the network.
 If you are using 2.4GHz cordless phones, X-10 equipment or other home security systems, ceiling fans, and lights, your wireless connection will degrade
dramatically or drop altogether. Try changing the Channel on your DI-524, and
on all the devices in your network to avoid interference.
 Keep your product away (at least 3-6 feet) from electrical devices that generate
RF noise, like microwaves, Monitors, electric motors, etc.
7. I forgot my encryption key.
 Reset the DI-524 to its factory default settings and restore the other devices on
your network to their default settings. You may do this by pressing the Reset
button on the back of the unit. You will lose the current configuration settings.
60
Troubleshooting
8. Resetting the DI-524 to Factory Default Settings
After you have tried other methods for troubleshooting your network, you may
choose to Reset the DI-524 to the factory default settings. Remember that
D-Link AirPro products network together, out of the box, at the factory default
settings.
Reset
To hard-reset the DI-524 to Factory Default Settings, please do the following:
 Locate the Reset button on the back of the DI-524
 Use a paper clip to press the Reset button
 Hold for about 10 seconds and then release
 After the DI-524 reboots (this may take a few minutes)
it will be reset to the factory Default settings
61
Technical Specifications
Standards
 IEEE 802.11g
 IEEE 802.11b
 IEEE 802.3
 IEEE 802.3u
VPN Pass Through/ Multi-Sessions
 PPTP
 L2TP
 IPSec
Device Management
 Web-Based- Internet Explorer v6 or later; Netscape Navigator v7
or later; or other Java-enabled browsers
 DHCP Server and Client
Advanced Firewall Features
NAT with VPN Passthrough (Network Address Translation)
MAC Filtering
IP Filtering
URL Filtering
Domain Blocking
Scheduling
Wireless Operating Range
 Indoors – up to 328 feet (100 meters)
 Outdoors – up to 984 feet (300 meters)






Operating Temperature
 32ºF to 131ºF (0ºC to 55ºC)
Humidity:
 95% maximum (non-condensing)
Safety and Emissions:
 FCC, CE
Wireless Frequency Range:
 2.4GHz to 2.462GHz
62
Technical Specifications
LEDs:




Power
WAN
LAN (10/100)
WLAN (Wireless Connection)
Physical Dimensions:
 L = 5.6 inches (142mm)
 W = 4.3 inches (109mm)
 H = 1.2 inches (31mm)
Wireless Transmit Power:
 17dBm± 2dB
Security:
 802.1x
 WEP
WPA
WPA-PSK
External Antenna Type:
 Single detachable reverse SMA
Modulation Technology:
 Orthogonal Frequency Division Multiplexing (OFDM)
Power Input:
 Ext. Power Supply DC 5V, 2.5A
Weight:
 0.44 lbs. (200g)
Warranty:
 1 year
63
Technical Specifications
Wireless Data Rates with Automatic Fallback:
 54 Mbps
 48 Mbps
 36 Mbps
 24 Mbps
 18 Mbps
 12 Mbps
 11 Mbps
 9 Mbps
 6 Mbps
 5.5 Mbps
 2 Mbps
 1 Mbps
Receiver Sensitivity:












54Mbps OFDM, 10% PER, -68dBm
48Mbps OFDM, 10% PER, -68dBm
36Mbps OFDM, 10% PER, -75dBm
24Mbps OFDM, 10% PER, -79dBm
18Mbps OFDM, 10% PER, -82dBm
12Mbps OFDM, 10% PER, -84dBm
11Mbps CCK, 8% PER, -82dBm
9Mbps OFDM, 10% PER, -87dBm
6Mbps OFDM, 10% PER, -88dBm
5.5Mbps CCK, 8% PER, -85dBm
2Mbps QPSK, 8% PER, -86dBm
1Mbps BPSK, 8% PER, -89dBm
64
Frequently Asked Questions
Why can´t I access the web based configuration?
When entering the IP Address of the DI-524 (192.168.0.1), you are not connecting to
the Internet or have to be connected to the Internet. The device has the utility built-in
to a ROM chip in the device itself. Your computer must be on the same IP subnet to
connect to the web-based utility.
To resolve difficulties accessing a web utility, please follow the steps below.
Step 1 Verify physical connectivity by checking for solid link lights on the device.
If you do not get a solid link light, try using a different cable or connect to a different
port on the device if possible. If the computer is turned off, the link light may not be
on.
What type of cable should I be using?
The following connections require a Crossover Cable:
Computer to Computer
Computer to Uplink Port
Computer to Access Point
Computer to Print Server
Computer/XBOX/PS2 to DWL-810
Computer/XBOX/PS2 to DWL-900AP+
Uplink Port to Uplink Port (hub/switch)
Normal Port to Normal Port (hub/switch)
The following connections require a Straight-through Cable:
Computer to Residential Gateway/Router
Computer to Normal Port (hub/switch)
Access Point to Normal Port (hub/switch)
Print Server to Normal Port (hub/switch)
Uplink Port to Normal Port (hub/switch)
Rule of Thumb:
”If there is a link light, the cable is right.”
65
Frequently Asked Questions (continued)
Why can´t I access the web based configuration? (continued)
What type of cable should I be using? (continued)
What´s the difference between a crossover cable and a straight-through
cable?
The wiring in crossover and straight-through cables are different. The two
types of cable have different purposes
for different LAN configurations. EIA/TIA
568A/568B define the wiring standards
and allow for two different wiring color
codes as illustrated in the following
diagram.
*The wires with colored backgrounds may
have white stripes and may be denoted
that way in diagrams found elsewhere.
How to tell straight-through cable from
a crossover cable:
The main way to tell the difference
between the two cable types is to
compare the wiring order on the ends
of the cable. If the wiring is the same on
both sides, it is straight-through cable. If one side has opposite wiring, it is a
crossover cable.
All you need to remember to properly configure the cables is the pinout order of
the two cable ends and the following rules:
A straight-through cable has identical ends
A crossover cable has different ends
It makes no functional difference which standard you follow for straight-through
cable ends, as long as both ends are the same. You can start a crossover cable
with either standard as long as the other end is the other standard. It makes no
functional difference which end is which. The order in which you pin the cable
is important. Using a pattern other than what is specified in the above diagram
could cause connection problems.
When to use a crossover cable and when to use a straight-through cable:
Computer to Computer – Crossover
Computer to an normal port on a Hub/Switch – Straight-through
Computer to an uplink port on a Hub/Switch - Crossover
Hub/Switch uplink port to another Hub/Switch uplink port – Crossover
Hub/Switch uplink port to another Hub/Switch normal port - Straight-through 66
Frequently Asked Questions (continued)
Why can´t I access the web based configuration? (continued)
Step 2 Disable any Internet security software running on the computer. Software
firewalls like Zone Alarm, Black Ice, Sygate, Norton Personal Firewall, etc. might
block access to the configuration pages. Check the help files included with your
firewall software for more information on disabling or configuring it.
Step 3 Configure your Internet settings.
Go to Start>Settings>Control Panel. Double
click the Internet Options Icon. From the Security
tab, click the button to restore the settings to their
defaults.
Click to the Connection tab and set the dialup option to Never Dial a Connection. Click
the LAN Settings button
Nothing should be checked. Click OK
Go to the Advanced tab and click the
button to restore these settings to their
defaults
Click OK. Go to the desktop and close any open
windows
67
Frequently Asked Questions (continued)
Why can´t I access the web based configuration? (continued)
Step 4 Check your IP Address. Your computer must have an IP Address in the
same range of the device you are attempting to configure. Most D-Link devices use
the 192.168.0.X range.
How can I find my IP Address in Windows 95, 98, or
ME?
Step 1 Click on Start, then click on Run.
Step 2 The Run Dialogue Box will appear. Type winipcfg in the window as
shown then click OK.
Step 3 The IP Configuration window will appear, displaying your Ethernet
Adapter Information.
 Select your adapter from the drop down menu.
 If you do not see your adapter in the drop down menu, your adapter is
not properly installed.
Step 4 After selecting your adapter, it will display your IP Address, subnet
mask, and default gateway.
Step 5 Click OK to close the IP Configuration window
68
Frequently Asked Questions (continued)
Why can´t I access the web based configuration? (continued)
Step 4 (continued) Check your IP Address. Your computer must have an IP Address
in the same range of the device you are attempting to configure. Most D-Link devices
use the 192.168.0.X range.
How can I find my IP Address in Windows 2000/XP?
Step 1 Click on Start and select Run.
Step 2 Type cmd then click OK.
Step 3 From the Command Prompt, enter ipconfig. It will return your IP
Address, subnet mask, and default gateway
Step 4 Type exit to close the command prompt.
69
Frequently Asked Questions (continued)
Why can´t I access the web based configuration? (continued)
Step 4 (continued) Check your IP Address. Your computer must have an IP
Address in the same range of the device you are attempting to configure. Most DLink devices use the 192.168.0.X range.
Make sure you take note of your computer´s Default Gateway IP Address. The
Default Gateway is the IP Address of the D-Link router. By default, it should be
192.168.0.1.
How can I assign a Static IP Address in Windows XP?
Step 1
Click on Start > Control Panel > Network and Internet Connections >
Network connections.
Step 2 See Step 2 for Windows 2000 and continue from there.
How can I assign a Static IP Address in Windows 2000?
Step 1 Right-click on My Network
Places and select Properties.
Step 2 Right-click on the Local
Area Connection which represents
your network card and select
Properties.
Highlight Internet Protocol (TCP/
IP) and click Properties.
70

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