ADSL Annex B / Ethernet-Router with built-in switch
Nereden Alınır


Affordable solution for
high-speed connectivity for your home or small office DSL-2540U provides all the essentials for a safe, high-speed wireless network: support for standards ADSL/ADSL2/ADSL2 +, support for the standard Fast Ethernet, built-in firewall, ensure quality data (QoS ), as well as many additional features.

Router DSL-2540U 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.

ADSL-port and 4-port
ADSL-router is equipped with a port for connecting to ADSL-line and 4-port Ethernet-to connect workstations. With this DSL-2540U is a cost effective solution for wired networks without the need to install a separate switch. In addition, any Ethernet-port devices can be used to connect to a dedicated Ethernet-line.

Configuration and Management
for managing and configuring DSL-2540U uses a simple and user-friendly web-based interface (available in several languages).

Genel Özellikler

Fiziksel Özellikler

• ADSL: 1 port with RJ-11 
• LAN: 4-port 10/100BASE-TX Ethernet with RJ-45 auto-sensing polarity MDI / MDIX

Standards ADSL
• ADSL: ANSI T1.413-1998 Issue 2; ITU-T G.992.1 (G.dmt) Annex B, ITU-T G.992.2 (G.lite) Annex B 
• ADSL2: ITU-T G.992.3 annex B 
• ADSL2 +: ITU-T G.992.5 Annex B

Types of WAN-connection

• ADSL: PPPoE, PPPoA, IPoA, static IP, dynamic IP, Bridge 
• Ethernet: PPPoE, static IP, dynamic IP, Bridge

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 OAM ITU-T I.610, including loopback F4/F5 
• ATM QoS 
• PPP over ATM (RFC 2364) 
• PPP over Ethernet (PPPoE) 
• Support for Keep-alive for PPP-protocol

Network Protocols and Features
• Static IP-routing 
mechanism • NAT 
• DHCP-server/klient/relay 
• DNS relay 
• Dynamic DNS (DDNS) 
• UPnP 
• Supports VLAN 
• IGMP proxy

Firewall and Access Control
• NAT Firewall 
• Stateful Packet Inspection (SPI) 
• URL-Filter 
• Packet filtering (IP / ICMP / TCP / UDP) 
• Virtual Servers 
• Prevent DoS-attacks 
• Intrusion detection and event logging 
• Tech support protection DMZ 
• Supports Port Triggering

• Grouping interfaces 
• 3 priority queues

Configuration and Management
• Web-based interface for configuration and management of multiple languages 
​​• Access via TELNET 
• Updating the software via web-based interface 
• Save and load configuration 
• Support for remote logging 
• Automatic synchronization of system time with a NTP-server

Fiziksel Özellikler

Physical parameters
• Indicators 
• Power 
• Status 
• 4 LEDs LAN 
• DSL 
• Internet

Power supply
• External DC power adapter 12B / 0,5 A 
• Power switch ON / OFF 
• RESET button to restore factory default settings


Sipariş Bilgisi


Back view
Front view


Destek Merkezi