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DG-BR4000N/E User Manual
106
13. Appendix
13-1 Hardware Specifications
Flash: 4MB
RAM: 32MB
Antenna: One fixed dipole 3dBi antenna
Power supply: 12V DC, 500mA Switching power adapter
Network interface: 1 x 10/100 Mbps UTP WAN port
4 x 10/100 Mbps UTP LAN ports
Standards compliance: IEEE 802.3 10BASE-T Ethernet
IEEE 802.3u 100BASE-TX Fast Ethernet
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Wireless frequency: 2.400~2.4835GHz
Wireless transmit power: 11b: 17+- 1.5dbm
11g: 15+- 1.5dbm
11n: 14+- 1.5dbm
Wireless
security
:
WEP
(64/128
bit),
WPA-PSK
(TKIP/AES),
WPA2-PSK
(TKIP/AES),WPS (PBC/PIN Mechanism), Disable SSID broadcast
Data rates: IEEE802.11b: 1/2/5.5/11Mbps
IEEE802.11g: 6/9/12/24/36/48/54Mbps
IEEE802.11n (20MHz): MCS0-7, up to 72Mbps
IEEE802.11n (40MHz): MCS0-7, up to 150Mbps
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Operating temperature: 0°C ~ 45°C
Storage temperature: -20°C ~ 70°C
Operating humidity: 10 ~ 90% (Non-condensing)
Storage humidity: 5 ~ 90% (Non-condensing)
Net Dimension (L x W x H): 176.8 x 118.7 x 23.5 mm
Gross Dimension (L x W x H): 256 x 158 x 65 mm
Net Weight: 277 gms
Gross Weight: 677 gms
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14. Troubleshooting
If you encounter any problem when you’re using this wireless network adapter, don’t panic.
Before you call your dealer of purchase for help, please check this troubleshooting table, the
solution to your problem could be very simple, and you can solve the problem yourself.
Scenario
Solution
Failure to configure the router
through a web browser
1)
Open the Web browser (for example, IE) and
choose Tools > Internet Options from the main
menu.
2)
Click Delete Cookies and Delete Files.
Failure to establish wireless
network connection
Router is beyond the wireless coverage.
1)
Place the router near the customer
premises equipment (CPE).
2)
Try modifying the channel setting.
Facing authentication problems.
1)
Use a computer of wired connection to
connect the router.
2)
Check the network security settings.
3)
Try a hard reset on the router.
The router cannot be detected.
1)
Try hard reset on the router and test again.
2) Check the settings of the wireless network.
3) Check the settings of SSID and encryption.
Failure to connect to the Internet
through the wireless router
1) Check whether the wireless network card connects
to the correct AP (base station).
2) Check whether the wireless channel accords with
the channel specified in your country or region.
3) Check the encryption settings.
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4) Check whether your ADSL cable is connected to
the correct network interfaces.
5) Replace the network cable connected to the router
Failure to access the Internet
1)
Check whether the status of indicators on the
ADSL modem and the wireless router is normal.
2)
Check whether the WAN indicator is on. If the
WAN indicator is off, check whether the cable
connected to the WAN interface is loose.
3)
When the WAN indicator is on but does not blink,
the router is connected to the Internet.
4)
Reboot your PC.
5)
Set the AP again.
6)
Check whether the WAN indicator is on.
7)
Check the encryption settings of the wireless
network.
8)
Check whether the PC that connects to the router
can obtain the IP address through either the
wireless network or the cable network.
9)
Check the LAN settings of your Internet options,
and do not use a proxy server for your LAN.
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15. Glossary
Default Gateway (Router):
Every non-router IP device needs to configure a default gateway
IP address. When the device sends out an IP packet, if the destination is not on the same
network, the device has to send the packet to its default gateway, which will then send it to
the destination.
DHCP:
Dynamic Host Configuration Protocol. This protocol automatically gives every
computer on your home network an IP address.
DNS Server IP Address:
DNS stands for Domain Name System, which allows Internet
servers to have a domain name (such as www.Broadbandrouter.com) and one or more IP
addresses (such as 192.34.45.8). A DNS server keeps a database of Internet servers and their
respective domain names and IP addresses, so that when a domain name is requested (as in
typing "Broadbandrouter.com" into your Internet browser), the user is sent to the proper IP
address. The DNS server IP address used by the computers on your home network is the
location of the DNS server your ISP has assigned to you.
DSL Modem:
DSL stands for Digital Subscriber Line. A DSL modem uses your existing
phone lines to transmit data at high speeds.
DMZ:
DMZ is a physical or logical subnetwork that contains and exposes an organization's
external services to a larger untrusted network, usually the Internet. The purpose of a DMZ is
to add an additional layer of security to an organization's local area network (LAN); an

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