ページ1に含まれる内容の要旨 
                    
                         
Data Sheet 
Cisco 850 Series Integrated Services Routers  
for Small Offices 
®
The Cisco 850 Series of secure broadband and wireless routers is part of the Cisco 
Integrated Services Router portfolio. Designed for small offices, the routers provide 
secure WAN connectivity with optional integrated 802.11b/g WLANs in a single device. 
Easy setup allows the Cisco 850 Series to be deployed at small remote offices and small 
businesses, and remote management features enable IT managers and servic
                    
                    ページ2に含まれる内容の要旨 
                    
                        Data Sheet    Table 1 lists the routers that currently make up the Cisco 850 Series.  Table 1. Cisco 850 Series Models  Models WAN Interface LAN Interfaces 802.11b/g  Cisco 851 10/100 Mbps Fast Ethernet 4-port 10/100 Mbps switch No  Cisco 851W 10/100 Mbps Fast Ethernet 4-port 10/100 Mbps switch Yes  Cisco 857 ADSL 4-port 10/100 Mbps switch No  Cisco 857W ADSL 4-port 10/100 Mbps switch Yes  Figure 2.   Deployment Scenarios    Applications  Cisco 850 Series routers are ideally suited for small off
                    
                    ページ3に含まれる内容の要旨 
                    
                        Data Sheet    Features and Benefits  Table 2 lists the features and benefits that the Cisco 850 Series provides.  For additional product  details of the 850 Series ISR, go to the 800 Series Q&A site located at  http://www.cisco.com/en/US/prod/collateral/routers/ps380/ps6200/prod_qas0900aecd8028a982.ht ml.  Table 2. Features and Benefits of the Cisco 850 Series  Feature Benefit  Stateful Inspection Firewall Provides secure access when connecting to the Internet or connecting small offices to a  a
                    
                    ページ4に含まれる内容の要旨 
                    
                        Data Sheet    routers are suitable for deployment in small businesses or remote offices by value-added resellers,  enterprise IT managers, or service providers.  Product Specifications  Tables 3 and 4 list software and hardware features of Cisco 850 Series routers.  Table 3. Software Features of the Cisco 850 Series  Feature Description  ●  Routing Protocols and Routing Information Protocol (RIPv1 and RIPv2)  General Router Features  ●  Layer 2 Tunneling Protocol (L2TP)  ●  Network Address Trans
                    
                    ページ5に含まれる内容の要旨 
                    
                        Data Sheet    Table 4. WLAN (Cisco 851W and 857W) Features of the Cisco 850 Series  Feature Description  ●  WLAN Hardware 802.11b/g  ● Automatic rate selection for 802.11b/g  ●  External antenna (cannot be removed)  ●  Indoor range: 1 Mbps @ 320 ft  ●  WECA interoperability  ●  Default antenna gain: 2.2 dBi  ●  WLAN Software Features Maximize throughput or maximize range option  ●  Software configurable transmit power  ●  SSID Globalization  ●  WLAN Security Features 802.1X  ●  802.11i  ●  Wi-Fi
                    
                    ページ6に含まれる内容の要旨 
                    
                        Data Sheet    Feature Description  ●  Receive Sensitivity 802.11b  ◦ -94dBm @ 1 Mbps  ◦ -93dBm @ 2 Mbps  ◦ 9-2dBm @ 5.5 Mbps  ◦ -90dBm @ 11 Mbps  ●  802.11g  ◦ -92dBm @ 6 Mbps  ◦ -90dBm @ 9 Mbps  ◦ -89dBm @ 12 Mbps  ◦ -87dBm @ 18 Mbps  ◦ -85dBm @ 24 Mbps  ◦ -81dBm @ 36 Mbps  ◦ -76dBm @ 48 Mbps  ◦ -73dBm @ 54 Mbps  Maximum Conducted Note: Maximum power setting subject to changes by channel & by region depending on  Transmit Power regulations  ●  802.11b Average: 80mW (19dBm), Peak (FCC): 245mW (2
                    
                    ページ7に含まれる内容の要旨 
                    
                        Data Sheet    Feature Description  ●  Environmental Operating Nonoperating temperature: -4 to 149°F (-20 to 65°C)  Range  ●  Nonoperating humidity: 5 to 95 percent relative humidity (noncondensing)  ●  Nonoperating altitude: 0 to 15,000 ft (0 to 4570m)  ●  Operating temperature: 32 to 104°F (0 to 40°C)  ●  Operating humidity: 10 to 85 percent relative humidity (noncondensing)  ●  Operating altitude: 0 to 10,000 ft (0 to 3000m)  DSLAM Interoperability  Table 6 lists the Cisco supported DSLAMs (Di
                    
                    ページ8に含まれる内容の要旨 
                    
                        Data Sheet    To download the latest Cisco SDM software, visit http://www.cisco.com/go/sdm.  Service and Support  Cisco offers a wide range of services programs to accelerate customer success. These innovative  services programs are delivered through a unique combination of people, processes, tools, and  partners, resulting in high levels of customer satisfaction. Cisco services can help you protect your  network investment, optimize network operations, and prepare your network for new applicati