
Cisco 850 Series
Security Features
Cisco 850 Security Features
•Stateful inspection firewall
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•IPSec 3DES termination/initiation
•IPSec 
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•L2TP 
WLAN Features
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 | Cisco 850 Series | 
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| When to Deploy | 
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| Deploy the Cisco 850 Series when you need: | • Secure WLAN 802..11b/g option with a single | 
| • Secure connectivity with stateful inspection | fixed antenna | 
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| firewall and IP Security (IPSec) VPN support for | • Easy setup, deployment, and remote | 
| small offices | management capabilities through  | 
| •  | tools and Cisco IOS Software | 
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| Series Distinctions | 
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| Cisco 850 Series | 
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WLAN Hardware
•802..11b/g
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•Automatic rate selection for 802..11b/g
•Single, fixed antenna
•WECA interoperability
•Default antenna gain: 2..2 dBi
WLAN Software Features
•Maximize throughput or maximize range option
•Software configurable transmit power
•SSID Globalization
•SSIDs =10
•Wireless VLANs =10
•Encrypted Wireless VLANs = 4
•MBSSIDs =1
WLAN Security Features
•802..1X
•802..11i
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•EAP Authentication: Cisco LEAP, PEAP, 
•Static and dynamic Wired Equivalent Privacy (WEP)
•Temporal Key Integrity Protocol (TKIP)/SSN Temporal Key Integrity Protocol/Simple Security Network encryption
•MAC authentication/filter
•User database for survivable local authentication using LEAP and 
•Configurable limit to the number of wireless clients
•Configurable RADIUS accounting for wireless clients
•PSK (Pre Shared Keys) 
| WAN Technologies | • Cisco 851 | – 100 MB Ethernet | |
| • Cisco 857 | – ADSL over analog telephone lines | ||
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| LAN Switch | |||
| Device Crossover) for  | |||
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| Security | Stateful firewall, IPSec, and AES VPNs | ||
| WLAN Option | 802..11b/g with single fixed antenna | ||
Platform Overview
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 | Models | WAN Interface | LAN Interface | 802.11b/g | 
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 | Cisco 851 | 10/100 Mbps Fast Ethernet | No | 
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 | Cisco 851W | 10/100 Mbps Fast Ethernet | Yes | 
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 | Cisco 857 | ADSL | No | 
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 | Cisco 857W | ADSL | Yes | 
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Physical specifications
| Dimensions (H x W x D) | Dimensions with antenna connectors: 2..00 x 10..25 x 9..13 in.. | 
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 | (50..8 x 260..4 x 231..9 mm) | 
Network Example
Corporate Headquarters
Teleworker
Cable
Internet
DSL
Small Offices or
Small Businesses
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 | Dimensions without antenna connectors: 2..00 x 10..25 x 8..50 in.. | 
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 | (50..8 x 260..4 x 215..9..9 mm) | 
| Weight | 2..10 lb | 
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| POWER DISSIPATIONS | 
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| AC Input Voltage | |
| Frequency | |
| Maximum Output Power | 26W | 
| Output Voltages | 5 and 12V | 
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| Environmental specifications | 
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| Operating Temperature | 32 to 104°F (0 to 40°C) | 
| Relative Humidity  | 10 to 95% | 
| Operating Altitude | 0 to 15,000 ft.. (0 to 4570 m) | 
| 14 | 15 | 
