Wireless ADSL2 + (ANNEX B) Router with Built-in 4-port switch 10/100Base-TX
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ADSL-port and 4-port switch 
ADSL-router has a port for connecting to ADSL-line. Built-in 4-port switch allows you to connect computers equipped with Ethernet-adapters, game consoles and other devices to your network. In addition, any Ethernet-port devices can be used to connect to a dedicated Ethernet-line.
Universal DSL-2640U/NRU/CB4A wireless router has a built-in firewall. Advanced security features minimize threats of hackers and prevent intrusions to your network and access to unwanted websites for users on your local network.
Wireless Interface
Using the universal wireless router DSL-2640U/NRU/CB4A, you can quickly create a wireless network at home or in the office, that will allow your employees or members of your family to connect to a wireless network from virtually anywhere (within the wireless network.) The router works with standard wireless devices 802.11n * and supports 802.11b and g. The device supports several security standards (WEP, WPA/WPA2), filtration devices to be connected by MAC-address, and allows the use of technology WPS.
Configuration and Management
To manage and configure a generic wireless router DSL-2640U/NRU/CB4A use the user-friendly web-based interface (available in several languages).
* Maximum wireless chipset is limited to 65 Mbit / c.

Genel Özellikler

Fiziksel Özellikler
• ADSL: 1 port with RJ-11
• LAN: 4-port 10/100BASE-TX Ethernet with RJ-45 auto-sensing polarity of MDI / MDIX
• WLAN: built-in wireless interface standard, 802.11b, g and n draft
Wireless network
• Standard IEEE 802.11n *, compatible with current standard IEEE 802.11b / g
• Support of guest wireless network
• WEP-encryption
• WPA/WPA2 encryption technology with the mechanisms of TKIP, AES and TKIP + AES
• Access to a wireless network based on the MAC-addresses
• Methods and PIN WPS PBC function
• Advanced Settings
ADSL standards
• ADSL: ANSI T1.413-1998 Issue 2; ITU G.992.1 Annex B
• ADSL2: ITU G.992.3 Annex B
• ADSL2 +: ITU G.992.5 Annex B
Types of WAN-connection
  - PPPoA
  - PPPoE
  - IPoE
  - IPoA
  - Bridge
• Ethernet
  - Static IP
  - DHCP
  - PPPoE
Protocols ATM / PPP
• Ethernet encapsulation bridging and routing
• Multiplexing based on VC / LLC
• ATM Forum UNI3.1/4.0 PVC (up to 8 PVC)
• ATM adaptation layer type 5 (AAL5)
• The principles and functions of the OAM ITU-T I.610, including F4/F5 loopback
• PPP over ATM (RFC 2,364)
• PPP over Ethernet (PPPoE)
• Support for Keep-alive for PPP-protocol
Network Protocols and Features
• Static IP-routing
• The mechanism of NAT
• DHCP-server/klient/relay
• DNS relay
• Dynamic DNS (DDNS)
• UPnP
• VLAN support
• IGMP proxy
Firewall and Access Control
• NAT firewall
• Stateful Packet Inspection (SPI)
• Filtering by MAC-address-to the time of day and day of week
• URL-Filter
• Packet filtering (IP / ICMP / TCP / UDP)
• Virtual Servers
• Prevent DoS-attacks
• Intrusion detection and event logging
• The technology to protect DMZ
• Supports Port Triggering
Grouping interfaces
3 priority queues
Configuration and Management
• Web-based interface for configuration and management of multiple languages
• Upgrade the firmware of the router through the web-interface
• Save and load configuration
• Support for remote logging
• SNMP-agent
• Automatic synchronization of system time with a NTP-server

Fiziksel Özellikler

• External Power Adapter
• The power switch ON / OFF
• Switch Wireless ON / OFF
• The Reset button to restore factory default settings
• WPS Button
* Maximum wireless chipset is limited to 65 Mbit / c.


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