其他功能
| 支持数据传输率 |
10/100Mbit/s |
| 最大数据传输率 |
0.1 Gbit/s |
| 接口 |
LAN, WAN |
| 液晶显示器功率 |
Y |
| 遵守工业标准 |
IEEE 802.3, IEEE 802.3u |
| 网路功能 |
Ethernet, Fast Ethernet |
| 输入电压 |
220 V |
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 |
端口 & 界面
| 广域网接口 |
Ethernet (RJ-45) |
| RJ - 11端口数量 |
1 |
| USB 端口数量 |
1 |
ADSL的特点
| 下行数据率 |
24 Mbit/s |
| 上行数据速率 |
1 Mbit/s |
系统要求
| 需要CD-ROM 驱动器 |
Y |
| Mac兼容性 |
N |
| 最低处理器 |
200MHz |
| 最低内存 |
64 MB |
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 |
Y |
协议
| 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 |
TCP/IP, NAT, PPPoE, PPPOA, DHCP Server, IGMP, ICMP, ARP |
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 |
4Port ADSL2/2+ Modem Router, IEEE 802.3, IEEE 802.3u, TCP/IP, DHCP server, ICMP, NAT, PPPoE, PPPOA, Auto MDI/MDIX, Firewall, 4x RJ45 (10/100Mbit/s), 1x RJ11, 1x USB2.0
D840R is an ADSL2+ modem together with router, and featuring a 4-port switch. It provides a downstream rate up to 24Mbps and an upstream rate of 1Mbps. The D840R complies with ADSL, ADSL2, and ADSL2+ standards. It also supports multiple network protocols and provides NAT router and bridge functions. A splitter with filtering is included to allow telephone and internet connections from the same jack.
- Provides up to 24Mbps downstream rate and 1Mbps upstream rate.
- Supports DHCP, NAT, IGMP, ICMP, ARP.
- Four 10/100M Auto-Negotiation RJ-45 Ethernet ports for network adapter, Hub and switch connectivity.
- One RJ-11 port and Voice Splitter included.
- One USB port support for connecting PC’s USB port.
- Provides Web-based management and firmware upgrade.
- Complies with ADSL, ADSL2 and ADSL2+ standards.
- Provides NAT Router, Bridge and switch functions.
- Compatible with all mainstream DSLAM (CO).
- Provides PPPOE, PPPOA, CLIP protocols.
- Supports firewall and hacker attack prevention.
- Supports Internet Multi Media.
- Provides static and dynamic routes.
- Up to 6.5km transmission distance.
- Setup Wizard support for fast and easy configurations.
