其他功能
| 支持数据传输率 |
1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54 |
| 接口数量 |
9 |
| 下行数据率 |
8 Mbit/s |
| 上行数据速率 |
0.8 Mbit/s |
| xDSL connection |
Y |
| 接口 |
Ethernet |
| 内置存储器 |
256 MB |
| 闪存 |
64 MB |
| 接受频率 |
50/60 Hz |
| 网路功能 |
Fast Ethernet |
| 输入电压 |
100 - 240 V |
| 用户数量 |
50 user(s) |
| 数据传输速度 |
54 Mbit/s |
| 输入电流 |
1 A |
| 运行温度范围（T - T） |
32 - 104 °F |
| 电源类型 |
AC |
以太网LAN特性
| 布线技术 |
10/100Base-T(X) |
| 以太网LAN接口类型 |
Fast Ethernet |
| 以太网的数据传输率 |
10, 100 Mbit/s |
ADSL的特点
| ADSL说明书 |
G.992.1 G.DMT, ANSI T1.413 DMT |
| 宽带 |
Y |
无线局域网的特点
| Wi-Fi标准 |
IEEE 802.11g |
| 无线局域网类型 |
IEEE 802.11a, IEEE 802.11b, IEEE 802.11g |
天线
| 天线增益水平（最大值） |
2.2 dBi |
| 天线数量 |
2 |
另外
| 室内最大射程 |
100 |
| 以太网连接器 |
Y |
| 过滤 |
URL |
| 以太网路(RJ-45)连接接口数量 |
8 |
ADSL, 802.11 a/b/g, 8x 10/100BASE-T, 32MB Flash, 128MB DRAM, 2.8kg
Cisco 1800 Series integrated services routers are the next evolution of the award-winning Cisco 1700 Series modular and fixed-configuration routers. The Cisco 1801, 1802, 1803, 1811, and 1812 integrated services routers (Figure 1) are fixed-configuration, while the Cisco 1841 Integrated Services Router is modular. The routers are designed for secure broadband, Metro Ethernet, and wireless connectivity, and provide significant performance improvements, feature capability, versatility, and additional value compared to prior generations of Cisco 1700 Series. The Cisco 1800 Series fixed-configuration routers provide:
Secure broadband access with concurrent services for branch and small offices
Integrated ISDN Basic Rate Interface (BRI), analog modem, or Ethernet backup port for redundant WAN links and load balancing
Secure wireless LAN for simultaneous 802.11a and 802.11b/g operation with use of multiple antennas
Advanced security including:
- Sophisticated Firewall features including Application Inspection, Transparent and Stateful Firewall
- SSL and IP Security (IPSec) VPNs (Triple Data Encryption Standard [3DES] or Advanced Encryption Standard [AES])
- Intrusion Prevention System (IPS)
- Antivirus support through Network Admission Control (NAC) and enforcement of secure access policies
8-port 10/100 managed switch with VLAN support and optional Power over Ethernet (PoE)
Easy deployment and remote-management capabilities through Web-based tools and Cisco IOS® Software
Cisco 1801, 1802, and 1803 routers provide high-speed DSL broadband access through asymmetric DSL (ADSL2/2+ Annex A and Annex M) over basic telephone service (Cisco 1801), ADSL2/2+ Annex B over ISDN (Cisco 1802), or Symmetrical High-Data-Rate DSL (G.SHDSL) (Cisco 1803) while helping to ensure reliable networking with integrated ISDN S/T BRI backup. The Cisco 1811 and 1812 provide high-speed broadband or Ethernet access through two 10/100BASE-T Fast Ethernet WAN ports and also provide integrated WAN backup through a V.92 analog modem (Cisco 1811) or ISDN S/T BRI interface (Cisco 1812).
The Cisco 1800 Series fixed-configuration routers help enable a network infrastructure for SMBs and enterprise small branch offices, providing access to the Internet, corporate headquarters, or other remote offices, while securing and protecting critical data with integrated Cisco IOS Software security features and capabilities. They also help businesses reduce costs by enabling deployment of a single device to provide multiple services (integrated router with redundant link, LAN switch, firewall, VPN, IPS, wireless technology, and quality of service [QoS]) typically performed by separate devices. Cisco IOS Software allows this flexibility, providing the industry's most robust, scalable, and feature-rich internetworking support, using the accepted standard networking software for the Internet and private WANs.
