D-Link Wireless N ADSL2+ 4-Port Wi-Fi Router (DSL-2750U)

D-Link Wireless N ADSL2+ 4-Port Wi-Fi Router (DSL-2750U) connects a group of users to the Internet, allowing multiple computers at home or the office to share an integrated high-speed ADSL2/2+ interface. It provides high-performance 802.11n wireless access for wireless networked computers, 4 built-in Ethernet ports, firewall protection, and QoS for smooth and secure download/upload of photos, files, music, video, and e-mail over the Internet.

Features

Fast Internet Connection
Latest ADSL2/2+ standard provides Internet transmission of up to 24 Mbps downstream, 1 Mbps upstream

High Performance Wireless
Wireless N 150 technology is ideal for high-speed wireless connections, and is compatible with 802.11n/g/b wireless devices

Total Security & QoS
Firewall protection, user access control, WPA/WPA2 wireless security, and priority queues

Technical Details

Model

• Brand : D Link 
• Model : DSL-2750U

Decice Interfaces

• RJ-11 ADSL port
• 4 RJ-45 10/100BASE-TX Ethernet ports with auto MDI/MDIX
• Built-in 802.11n Wireless Lan
• Factory reset button
• WPS button
• Wireless on/off switch (optional)
• Power on/off switch
• USB host 2.0

Wireless LAN

• 802.11b/g/n standards
• Wireless speed : up to 54 Mbps (802.11g), 300 Mbps (802.11nƛ
• Frequency range : 2.4 GHz to 2.484 GHz
• Antennas : Dual 2x2 built-in MIMO antennas
• 64/128 bits WEP data encryption
• WPA/WPA2 (Wi-Fi Protected Access) security
• MAC address-based access control

ADSL Standards

• ADSL standards : Multi-mode, ANSI T1.413 Issue 2, ITU G.992.1 (G.dmt) Annex A, ITU G.992.2 (G.lite) Annex A, ITU G.994.1 (G.hs)
• ADSL2 standards : ITU G.992.3 (G.dmt.bis) Annex A/L/M, ITU G.992.4 (G.lite.bis)  Annex A
• ADSL2+ standards : ITU G.992.5 Annex A/
• ADSL2+ standards : ITU.G.992.5 Annex L/M (optional)

ADSL Data Rates

• G.dmt : 8 Mbps downstream, 832 Kbps upstream
• G.lite : 1.5 Mbps downstream, 512 Kbps upstream
• ADSL2 : 12 Mbps downstream, 1 Mbps upstream
• ADSL2+: 24 Mbps downstream, 1 Mbps upstream

ATM & PPP Protocols

• ATM Forum UNI3.1/4.0 PVC (up to 8 PVCs)
• ATM Adaptation Layer Type 5 (AAL5)
• ATM QoS (Traffic Shaping)
• Bridged or routed Ethernet encapsulation
• VC and LLC based multiplexing
• PPP over Ethernet (PPPoE)
• PPP over ATM (RFC 2364)
• ITU-T I.610 OAM F4/F5

Router Features

• WAN/LAN Switchable Port (optional)
• NAT & NAPT
• DHCP server/client/relay
• Static Routing, RIP v.1, v.2
• Universal Plug and Play (UPnP) Compliant
• Dynamic Domain Name System (DDNS)
• Virtual Server
• SNTP, DNS proxy, and IGMP proxy
• Supports IPv6

Firewall 

• Built-in NAT firewall
• Stateful Packet Inspection (SPI)
• DoS attacks prevention
• Packet filtering (IP/ICMP/TCP/UDP)

Virtual Private Network (VPN)

• Multiple PPTP/IPSec/L2TP pass-through

Device Configuration  Management

• Web-based GUI for configuration, firmware upgrade
• Code lock to prevent improper firmware upgrade
• Telnet
• Syslog monitoring
• TR-069 Client (optional)
• WPS

USB 

• USB printing
• USB storage
• Compatible 3G USB adapter connection

Quality Service

• 802.1p (0 to 7) traffic tagging
• IGMP Snooping with 32 Multicast groups
• PVC/VLAN port mapping (bridge mode)

Security 

• IGMP
• PVC/VLAN port mapping (bridge mode)
• Parental Control (URL blocking, scheduling)

Power Input

• Through 1A external power adapter

Diagnostic LEDs

• Power
• LAN (1 to 4)
• WLAN
• DSL
• Internet
• WPS
• USB

Phy Spec

• Dimensions (L X W X H) : 162 x 116.8 x 33 mm/(6.4 x 4.6 x 1.3 inches)
• Operating Temperature  : 0 to 40 °C (32 to 104 °F)
• Storage Temperature : (-ဘ to 70 °C (-4 to 158 °F)
• Operating Humidity : 5% to 95% non-condensing
• Certifications : CE/FCC