ADSL2+ Router
Where to buy


The DSL-2500U is an affordable high-performance ADSL/Ethernet router for home and small office networks.
It allows to get broadband Internet access through ADSL quickly and easily and arrange link sharing among multiple users.
DSL-2500U provides all the essentials for a safe, high-speed wireless network: ADSL/ADSL2/ADSL2+ standards, Fast Ethernet standard, built-in firewall, QoS engine, and numerous additional feature. The device is equipped with Ethernet port to which you can connect a single computer or a switch.
The router is equipped with a firewall. Advanced security features minimize threats from hackers and prevent intrusions to your network and block access to unwanted websites for users of your local network.
You can configure and manage the DSL-2500U via the user-friendly web-based interface (the interface is available in Russian and English).

General features

• ADSL: 1 RJ-11 port 
• LAN: 1 RJ-45 10/100Base-TX port with auto MDI/MDIX
ADSL standards
• ADSL: full rate ANSI T1.413 Issue 2, ITU-T G.992.1 (G.dmt) Annex A, ITU-T G.992.2 (G.lite) Annex A, ITU-T G.994.1 (G.hs)
• ADSL2: ITU-T G.992.3 (G.dmt.bis) Annex A/L/M, ITU-T G.992.4 (G.lite.bis) Annex A
• ADSL2+: ITU-T G.992.5 Annex A/L/M
WAN connection types
• IPoE
• IPoA
• Bridge
ATM/PPP protocols
• Bridged and routed Ethernet encapsulation
• VC/LLC-based multiplexing
• ATM Forum UNI3.1/4.0 PVC (up to 8 PVC) 
• ATM Adaptation Layer Type 5 (AAL5) 
• ITU-T I.610 OAM F4/F5 loopback 
• ATM QoS 
• PPP over ATM (RFC 2364) 
• PPP over Ethernet (PPPoE) 
• Keep-alive for PPP connections
Network protocols and functions
• Static IP routing
• NAT 
• DHCP server/client/relay 
• DNS relay 
• Dynamic DNS (DDNS) 
• UPnP 
• VLAN support 
• IGMP proxy
Firewall and access control
• NAT firewall 
• Stateful Packet Inspection (SPI) 
• URL filter 
• Packet filtering (IP/ICMP/TCP/UDP) 
• Virtual servers 
• Prevention of DoS attacks 
• Intrusion detection and event logging 
• DMZ 
• Port Triggering
• 3 priority queues
Configuration and management
• Bilingual (Russian and English) web-based interface for configuration and management
• Access via TELNET 
• Firmware update via web-based interface
• Saving/restoring configuration to/from file
• Support of remote logging 
• Automatic synchronization of system time with NTP server
Physical parameters
Power supply
• External power adapter 5VDC/1A 
• ON/OFF button
• RESET button to restore factory default settings


Order info

DSL-2500U  ADSL2+ Router


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