2851 Integrated Services Router

Cisco 2851 Base Model with IOS IP Base SoftwareThe Cisco 2851 Integrated Services Router provides the following support:

The Cisco 2851 Integrated Services Router is part of the Cisco 2800 Integrated Services Router Series which complements the Integrated Services Router Portfolio.

The Cisco 2851 routers are ideal for small to medium-sized businesses and enterprise branch offices, are designed for wire-speed delivery of highly secure concurrent services and can accommodate multiple T1/E1 connections for services including Data, Security, Voice, Video, and Wireless. Features of the routers include built-in security, cisco router and security device manager (SDM) for simplified management, a modular platform with a broad range of interface options, up to 2 10/100/1000 Mbps built-in routed ports, up to 64 10/100 Mbps switch ports with optional Power over Ethernet (PoE) for providing DC power to network devices such as IP phones, up to 1500 VPN tunnels, Cisco CallManager Express (CME) call-processing support for up to 96 Cisco IP phone users, Cisco Survivable Remote Site Telephony (SRST) support for up to 96 Cisco IP phone users, allowing the router to provide call-processing functionality to keep voice service in operation should the connection to Cisco CME be lost. The Cisco 2851 also provides support for wireless LAN standards 802.11a/b/g, support for a Small Form-Factor Pluggable (SFP) port for Gigabit Ethernet, and a built-in redundant power supply connector.