D-Link DSL-2520U – ADSL2+ 1-Port Ethernet / USB Combo Router with QoS, NAT, DMZ Firewall & USB Connectivity
Overview:
• The D-Link DSL-2520U is an affordable ADSL2+ modem router designed for home and small office internet connectivity.
• It provides integrated ADSL2/2+ support with download speed up to 24Mbps and upload speed up to 1Mbps.
• The router includes one RJ-11 ADSL port, one RJ-45 Ethernet LAN port, and one USB 1.1/2.0 device port for flexible computer connectivity.
• Built-in NAT and DMZ firewall protection help protect the local network from internet attacks and unauthorized access.
• QoS support allows traffic prioritization for smoother online gaming, multimedia streaming, file downloads, music, photos, and video transfer.
• The DSL-2520U can share the internet connection through DHCP server and NAT functions when connected to an external Ethernet switch.
Key Features:
• ADSL2+ 1-Port Ethernet / USB Combo Router
• Integrated ADSL2/2+ Modem
• Downstream Speed up to 24Mbps
• Upstream Speed up to 1Mbps
• 1 × RJ-11 ADSL Port
• 1 × RJ-45 Ethernet LAN Port
• 1 × USB 1.1/2.0 Device Port
• DHCP Server / Client Support
• NAT Firewall Protection
• DMZ Support
• QoS with Multiple Priority Queues
• Raw/IP Filtering
• SPI Firewall
• DoS Attack Detection
• Port Scan Attack Detection
• L2TP / PPTP Pass-Through
• IPSec VPN Pass-Through
• Web-Based Management
• Telnet Management
• TFTP, FTP and HTTP Firmware Download
• Dynamic DNS Support
• IGMP v1/v2 Proxy
• Supports Bridged and Routing Modes
• Compact Palm-Sized Design
Technical Specifications:
• Product Type: ADSL2+ Ethernet / USB Combo Router
• Brand: D-Link
• Model: DSL-2520U
• Internet Technology: ADSL2+ / ADSL2 / ADSL
• ADSL Port: 1 × RJ-11 ADSL Port
• LAN Port: 1 × RJ-45 Ethernet LAN Port
• USB Port: 1 × USB 1.1/2.0 Device Port
• Reset Button: Factory Reset Button
• ADSL Speed: Up to 24Mbps Downstream / 1Mbps Upstream
• ADSL Standards: Full ADSL2+ / ADSL2 / ADSL Standards
• Modulation: Discrete Multi-Tone DMT
• ANSI Standard: ANSI T1.413 Issue 2
• Annex Support: Annex A, I, J, L, M
• ITU Standards: ITU G.992.1, G.992.2, G.992.3, G.992.5
• ATM Support: AAL5
• PVC Support: 8 Permanent Virtual Circuits PVCs
• ATM Traffic Classes: UBR, CBR, rt-VBR, nrt-VBR
• OAM Support: ITU-T I.610 OAM F4/F5
• Basic Protocols: LLC Encapsulation, VC-Based Multiplexing, Bridged Mode, Routing Mode
• PPP Support: PPP over AAL5, PPPoE Pass-Through, PPPoE
• IP Support: Classical IP over ATM
• Bridge Function: Transparent Learning Bridge with Spanning Tree Support
• Routing Features: IPv4, TCP, UDP, ICMP, ARP, RARP, Proxy-ARP, Static Routing
• DHCP: DHCP Server / Client
• IGMP: IGMP v1/v2 Proxy
• Dynamic DNS: Supported
• Security: NAT, DMZ, PPP PAP/CHAP, Raw/IP Filtering, SPI
• VPN Pass-Through: L2TP / PPTP / IPSec
• Attack Protection: DoS Detection, Known Attack Detection, Port Scan Attack Detection
• Authentication: ID / Password Authentication
• QoS: Multiple Priority Queues
• Management: Web Interface, Telnet, Log & Trace, PVC & ECO
• Firmware Upgrade: TFTP, FTP and HTTP
• Diagnostic LEDs: Power, DSL, Internet, Ethernet, USB
• Power Supply: 12V DC / 0.5A Switching Power Adapter
• Dimensions: 110 × 98 × 37 mm
• Operating Temperature: 0°C to 40°C
• Storage Temperature: -20°C to 65°C
• Humidity: 5% to 95% Non-Condensing
• EMC Certification: CE
Applications:
• Home ADSL2+ internet connection
• Small office broadband connection
• Basic wired internet access
• USB-based computer internet connection
• Online games and multimedia streaming
• File, photo, music, and video downloads
• Secure internet access with NAT and DMZ firewall
• Internet sharing through external Ethernet switch
Connect Gates Recommendation:
• Recommended for customers who need a simple and affordable ADSL2+ modem router with Ethernet and USB connectivity.
• Suitable for basic home or small office internet access where Wi-Fi is not required and a compact wired ADSL solution is preferred.
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