Dlink 4-Port Wireless G ADSL2+ Router DSL-2640U 
Features
PPP (Point-to-Point Protocol) Security
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DHCP Support
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Network Address Translation (NAT)
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TCP/IP (Transfer Control Protocol/Internet Protocol)
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RIP-1/RIP-2
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Static Routing
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Default Routing –
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Precise ATM Traffic Shaping
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Full Network Management
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Easy Installation

Description
ULTI MATE INTERNET CONECTION:
The DSL-2640U wireless ADSL router is an affordable high-performance ADSL router for home and the small office.
With integrated ADSL2/2+ support that provides up to 24Mbps download speeds, 802.
11g wireless LAN, firewall protection, and Quality of Service (QoS) features,
this router provides all the essentials that a home or small office needs to
establish a secure and high-speed remote link to the outside world.
AFFORDABLE HIGH-SPEED CONECTION FOR HOME & SMALL OFFICE:
Designed as a very affordable high-performance ADSL router for home and SOHO users,
the DSL-2640U provides not only a low-cost, high-speed Internet connection,
but also the security and Quality of Service (QoS) required by users in today’s high-risk and varied Internet environments.
READY WIRED & WIRELES LAN CONECTION:
The DSL-2640U provides an integrated 802.11g WLAN interface supporting wireless speeds of up to 54Mbps and interoperability with 802.
11b wireless devices on the 2.4GHz frequency band.
It also provides four 10/100Mbps Ethernet switch ports for ready workstations connection.
These built-in functions save you the cost and trouble of installing a separate wireless access point and an Ethernet switch.
FIREWALL PROTECTION & QoS:
Security features prevent unauthorized access to the home and office network from Internet intruders.
The router provides firewall security using Stateful Packet Inspection (SPI) and Denial of Service (DoS) attack protection.
SPI inspects the contents of all incoming packet headers before deciding what packets are allowed to pass through.
Router access control is provided with packet filtering based on port and source/destination MAC/IP addresses.
Quality of Service (QoS) supports multiple priority queues to provide a group of home
or office users with a smooth network connection without traffic congestion.
This QoS support allows users to enjoy high ADSL transmission speeds for applications such as VoIP,
streaming multimedia, and online games over the Internet.

Technical Specifications |
ADSL Standards |
Full-rate ANSI T1.413 Issue 2 |
ITU G.992.1 (G.dmt) |
ITU G.992.2 (G.lite) |
ITU G.994.1 (G.hs) |
ADSL2 Standards |
ITU G.992.3 (G.dmt.bis) |
ADSL2+ Standards |
ITU G.992.5 (G.dmt.bisplus) |
Protocols |
IEEE 802.1d Spanning Tree |
TCP/UDP |
ARP |
RARP |
ICMP |
RFC1058 RIP v1 |
RFC1213 SNMP v1 & v2c |
RFC1334 PAP |
RFC1389 RIP v2 |
RFC1577 Classical IP over ATM |
RFC1483/2684 Multiprotocol |
Encapsulation over ATM |
Adaptation Layer 5 (AAL5) |
RFC1661 Point to Point |
Protocol |
RFC1994 CHAP |
RFC2131 DHCP Client / DHCP Server |
RFC2364 PPP over ATM |
RFC2516 PPP over Ethernet |
DC Power |
Input: 100V-240V, 0.6A, 50 Hz -60 Hz |
Output: 12V, 1A |
Data Transfer Rate |
G.dmt full rate downstream: up to 8 Mbps / upstream: up to 1 Mbps |
G.lite: ADSL downstream up to 1.5 Mbps / upstream up to 512 Kbps |
G.dmt.bis full rate downstream: up to 12 Mbps / upstream: up to 1 Mbps |
ADSL2+ full rate downstream: up to 24 Mbps / upstream: up to 1 Mbps |
Wireless Transfer Rates |
IEEE 802.11b: 11, 5.5, 2, and 1Mbps |
IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps |
Media Interface |
ADSL interface: RJ-11 connector for connection to 24/26 AWG twisted pair |
telephone line |
LAN interface: four RJ-45 ports for 10/100BASE-T Ethernet connection |
Default Settings |
IP Settings: IP Address: 192.168.1.1, Netmask: 255.255.255.0, |
User Name:admin, Password: admin |
DHCP Server: Enabled |