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Cisco 850 Series integrated services routers are fixed-configuration routers that support broadband cable and Asymmetric DSL (ADSL) over analog telephone lines connections in small offices. They provide the performance needed to run concurrent services, including firewall and encryption for VPNs and optional 802.11b/g for wireless networking. The Cisco Router and Security Device Manager (SDM) Web-based configuration tool simplifies setup and deployment, and centralized management capabilities give network managers visibility and control of router configurations at the remote site. |
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Technical Details for Cisco 857W Integrated Services Router
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| General | |
| Device Type | Wireless router |
| Form Factor | External |
| Width | 26 cm |
| Depth | 23.2 cm |
| Height | 5.1 cm |
| Weight | 1 kg |
| Localisation | Europe |
| Memory | |
| RAM | 64 MB (installed) / 64 MB (max) |
| Flash Memory | 20 MB (installed) / 20 MB (max) |
| Networking | |
| Connectivity Technology | Wireless, wired |
| Integrated Switch | 4-port switch |
| Data Transfer Rate | 54 Mbps |
| Frequency Band | 2.4 GHz |
| Framing Format | ANSI T1.413 |
| Data Link Protocol | Ethernet, Fast Ethernet, IEEE 802.11b, IEEE 802.11g |
| Switching Protocol | Ethernet |
| Network / Transport Protocol | PPTP, L2TP, IPSec, PPPoE, PPPoA |
| Routing Protocol | RIP-1, RIP-2 |
| Remote Management Protocol | SNMP, Telnet, HTTP |
| Features | Firewall protection, DHCP support, NAT support, VPN support, PAT support, auto-uplink (auto MDI/MDI-X), manageable, MAC address filtering, IPv6 support |
| Compliant Standards | IEEE 802.11b, IEEE 802.11d, IEEE 802.11g, IEEE 802.1x, Wi-Fi CERTIFIED |
| Aerial | |
| Aerial | External integrated |
| Antenna Qty | 1 |
| Gain Level | 2.2 dBi |
| Communications | |
| Type | DSL modem |
| Digital Signaling Protocol | ADSL |
| Protocols & Specifications | ITU G.992.1 (G.DMT), ITU G.992.3 (G.DMT.bis) |
| Expansion / Connectivity | |
| Interfaces | 4 x network - Ethernet 10Base-T/100Base-TX - RJ-45 1 x modem - ADSL - RJ-11 ( WAN ) 1 x management - console - RJ-45 |
| Miscellaneous | |
| Encryption Algorithm | LEAP, Triple DES, AES, TLS, PEAP, TKIP, WPA-PSK |
| Authentication Method | RADIUS, TACACS+ |
| Compliant Standards | EN 60950, IEC 61000-3-2, IEC 61000-4-11, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC950, VCCI-II, EN55022 Class B, ICES-003 Class B, AS/NZ 3548 Class B, AS/NZS 3260, FCC Part 68, CS-03, UL 1950 Third Edition, EN 60555-2 |
| Power | |
| Power Device | Power adapter - external |
| Voltage Required | AC 120/230 V ( 50/60 Hz ) |
| Power Provided | 26 Watt |
| Software / System Requirements | |
| OS Required | Cisco IOS 12.0(31)S or later |
| Environmental Parameters | |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 40 °C |
| Humidity Range Operating | 10 - 85% |



