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D-Link DAP-3520 User Manual
Help
Help:
Scroll down the Help page for topics and
explanations.
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D-Link DAP-3520 User Manual
Troubleshooting
This chapter provides solutions to problems that can occur during the installation and operation of the DAP-3520 Wireless Access Point.
We will cover various aspects of the network setup, especially the network adapters. Please read the following if you are having any
technical difficulties.
Note: It is recommended that you use an Ethernet connection to configure the DAP-3520.
1. The computer used to configure the DAP-3520 cannot access the Configuration menu.
Check if the LAN LED on the DAP-3520 is ON. If the
LED is not ON, check if the cable for the Ethernet connection is securely
inserted.
Check if the Ethernet adapter is working properly. Please see item 3 of this Troubleshooting section to check that the drivers for
the network adapters are loaded properly.
Check if the IP address is in the same range and subnet as the DAP-3520.
Note: The default IP address of the DAP-3520 is 192.168.0.50. All the computers on the network must have a unique IP address in the
same range, e.g. 192.168.0.x. Any computers that have identical IP addresses will not be visible on the network. They must all have the
same subnet mask, e.g. 255.255.255.0.
Do a Ping test
to make sure that the DAP-3520 is responding. Go to
Start
>
Run
>Type
Command
>Type
A
successful ping will show four replies.
Note: If you have changed the default IP address, make sure to ping the correct IP address assigned to the DAP-3520.
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D-Link DAP-3520 User Manual
2. The wireless client cannot access the Internet within 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 and 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 DAP-3520 has an IP address of 192.168.0.50, 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; there may be no two devices with 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 the
Local Area
Connection
icon in the taskbar, then select the
Support
tab and the IP address will be displayed.
If it is necessary to assign a Static IP Address to the wireless adapter. 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.
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3. 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 its wireless range.
4. Why does my wireless connection keep dropping?
Antenna Orientation - try different antenna orientations for the DAP-3520. 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, or lights, your wireless
connection will degrade dramatically or even drop. Try changing the channel of 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.
5. Why can’t I get a wireless connection?
If you have enabled encryption on the DAP-3520, you must also enable encryption on all wireless clients in order to establish a wireless
connection.
Make sure that the SSID on the AP and the wireless client are exactly the same. If they are not, wireless connection cannot be
established.
Move the DAP-3520 and the wireless client into the same room and then test the wireless connection.
Disable all security settings.
Turn off your DAP-3520 and the client. Turn the DAP-3520 back on again, and then turn on the client.
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 2.4 GHz cordless phones, X-10 equipment, or other home security systems, ceiling fans, or lights, your wireless
connection will degrade dramatically or drop altogether. Try changing the channel on your DAP-3520, 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.
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Technical Specifications
*Maximum wireless signal rate derived from IEEE Standard 802.11 specifications. Actual data throughput may vary. Network conditions and environmental factors, including volume of network traffic, building
materials and construction, and network overhead can lower actual data throughout rate.
**Please note that operating frequency ranges vary depending on the regulations of individual countries and jurisdictions. The DAP-3520 is not supported in the 5.25~5.35GHz and 5.47 ~ 5.725GHz frequency
ranges in some regions.
Standards
• IEEE 802.11a
• IEEE 802.11b
• IEEE 802.11g
• IEEE 802.11n
• IEEE 802.3
• IEEE 802.3u
• IEEE 802.3ab
• IEEE 802.3af
Network Management
• Web Browser interface
HTTP
Secure HTTP (HTTPS)
• AP Manager II
• SNMP Support
D-View Module
Private MIB
• Command Line Interface
Telnet
Secure SSH Telnet
Data Rates*
For 802.11a:
• 54, 48, 36, 24, 18, 12, 9, and 6 Mbps
For 802.11b:
• 11, 5.5, 2, and 1 Mbps
For 802.11g:
• 54, 48, 36, 24, 18, 12, 9, and 6 Mbps
For 802.11n (draft): HT20/HT40
• 144.4/300, 130/270, 117/243, 104/216, 78/162, 66/135, 58.5/121.5,
52/108, 39/81, 26/54, 19.5/40.5, 12/27, and 6.5/13.5 Mbps
Security
• WPA
Personal/Enterprise
• WPA2
Personal/Enterprise
• WEP
64 / 128 bit
• SSID Broadcast Disable
• MAC Address Access Control
Operating Modes
• Access Point (AP)
• WDS with AP
• WDS
• Wireless Client
LAN Port Speed
• 10/100/1000 Mbps
Wireless Frequency Range
**
For 802.11a:
• 5.15 ~ 5.85GHz
For 802.11b/g:
• 2.4 ~ 2.4835GHz
For 802.11n:
• 2.4GHz Band: 2.4 ~ 2.4835GHz
• 5GHz Band: 5.15 ~ 5.85GHz
Operating Voltage
• PoE 48VDC +/-10%
Maximum Power Consumption
• 12.95 Watts

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