安全
| 防火墙 |
NAT |
| 支持虚拟专用网 |
IPSec, PPTP, L2TP |
| MAC（媒体存储控制）地址过滤 |
Y |
以太网LAN特性
| 布线技术 |
10/100Base-T(X) |
| 以太网的数据传输率 |
10, 100 Mbit/s |
ADSL的特点
| 下行数据率 |
24 Mbit/s |
| 上行数据速率 |
2 Mbit/s |
| ADSL说明书 |
ANSI T1.413, ITU-T G.992.1, ITU-T G.992.2, ITU-T G.994.1, ITU-T G.992.3, ITU-T G.992.4, ITU-T G.992.5 |
协议
| DMZ支持 |
Y |
| 动态主机配置协议客户 |
Y |
| 动态主机配置协议服务器 |
Y |
| 支持网络协议 |
ICMP, RIP, RIPv2, NAT, DHCP, DNS, DDNS, IGMP, SNTP, ATM, PPP, IPCP, LCP, PAP, CHAP, PPPoE |
管理功能
| 支持服务质量（QoS） |
Y |
| 重启按钮 |
Y |
| 网上管理 |
Y |
其他功能
| 网路功能 |
Fast Ethernet |
| 输入电压 |
5 V |
另外
| 以太网连接器 |
Y |
| 连接方式 |
Wired |
| 过滤 |
IP, ICMP, TCP, UDP |
| 包括 AC 适配器 |
Y |
| 以太网路(RJ-45)连接接口数量 |
1 |
DSL-2500U, ADSL2+, NAT, QoS, Fast Ethernet, black
What this product does
This ADSL modem router connects your computer to the Internet using an integrated high-speed ADSL2+ interface. It provides NAT and SPI firewall to protect your computer from Internet attacks, and QoS functions to prioritize traffic for smooth on-line games, streaming multimedia and voice communication over the Internet, as well as download of large files, photos, music and video. When needed, multiple computers at home and the office can also share the high-speed Internet line using the router"s built-in DHCP server/NAT functions and an externally connected Ethernet switch.
Get high-speed ADSL speed
Ready ADSL connection with up to 24Mbps downstream and 2Mbps upstream. Watch TV, listen to live music and broadcast on the Internet, play games and experience clear Internet phone calls. Now, smooth streaming multimedia and VoIP voice are possible at home and in the office through a simple connection to this router.
Affordable high-speed connection for home & small office
The DSL-2500U ADSL2+ modem router is an affordable high-performance ADSL device for home and the small office. With integrated ADSL2/2+ supporting up to 24Mbps download speed, firewall protection and Quality of Service (QoS), 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.
Firewall protection & Qos
Security features prevents 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. For Quality of Service (QoS), the router supports multiple priority queues to enable a group of home or office users to experience the benefit of smooth network connection of inbound and outbound data without concern of traffic congestion. This QoS support allows users to enjoy high ADSL transmission for applications such as VoIP, streaming multimedia and on-line games over the Internet.
