安全
| 防火墙 |
NAT, NAPT, SPI |
| MAC（媒体存储控制）地址过滤 |
N |
协议
| 切换协议 |
IGMP |
| 路由协议 |
IP |
| DMZ支持 |
Y |
| 动态主机配置协议客户 |
N |
| 动态主机配置协议服务器 |
Y |
| 支持网络协议 |
DHCP, DSCP, PPTP, L2TP, TFTP, FTP, HTTP |
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 |
3.5 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, Annex A/B/I/J/L/M |
管理功能
| 通用即插即用（UPnP） |
Y |
| 支持服务质量（QoS） |
Y |
| 重启按钮 |
Y |
| 网上管理 |
N |
另外
| 以太网连接器 |
Y |
| 连接方式 |
Wired |
| 包括 AC 适配器 |
Y |
| 以太网路(RJ-45)连接接口数量 |
4 |
TD-8840TB, ADSL2+, Fast Ethernet, black/white
The TP-Link ADSL2/2+ Router (TD-8840T) is a 2-in-1 device that combines the functions of a DSL modem and 4-port 10/100 Ethernet router. It offers both Ethernet and USB ports for flexible connectivity. It supports the latest ADSL2/2+ standards to provide higher performance (up to 24Mbps downstream) and longer reach from your Internet Service Provider’s (ISP) Digital Subscriber Line Access Multiplexer (DSLAM). You can also create a wired network to share your high-speed Internet connection, documents, photos, music, videos, and printers.
The TD-8840T includes a built-in QoS engine that helps prioritize Internet traffic to enable smooth Internet phone calls (VoIP) and lag-free online gaming. In addition, this device includes Dual Active Firewalls (SPI and NAT) to help protect your network from potential attacks from across the Internet.
The TD-8840T also supports TR-069 which automatically updates the firmware and other settings when they become available from your ISP.
Featuring high ADSL performance, various QoS policy, easy-touse, the TP-Link TD-8840T is a good choice to access to the internet.
