Cisco

Cisco 1800 Series integrated services routers, ideal for small to medium-sized businesses and small enterprise branch offices, enable businesses to reduce costs by deploying a single, resilient system for fast, secure, delivery of multiple mission-critical business services, including:

• Data
• Security
• Unified Communications
• Wireless

The integrated services routing architecture of the Cisco 1800 Series offers features that provide the complete functionality and flexibility to deliver secure Internet and intranet access. All models within the series include:

• Built-in security
• Up to two 10/100 Mbps built-in routed ports

The fixed platform models (1801, 1802, 1803, 1811, 1812) include multiple WAN interface options, plus:

• Up to broadband speeds
• Eight 10/100 Mbps built-in switch ports with optional Power over Ethernet (PoE), for providing DC power to network devices such as IP phones
• Up to 50 VPN tunnels
• Support for wireless local-area network (LAN) standards 802.11a/b/g

The 1841 is a modular platform with a wide range of interface options, plus:

• Up to T1/E1speeds
• Up to four 10/100 Mbps built-in switch ports
• Up to 800 VPN tunnels
• Support for wireless local-area network (LAN) standards 802.11a/b/g

Cisco 2800 Router:-

The Cisco 2800 series integrated services routers include the Cisco 2801, Cisco 2811, Cisco 2821, and Cisco 2851 routers. These routers differ as follows:

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Cisco 2801 routers support 2 HWIC/WIC/VIC/VWIC slots capable of supporting double-wide HWICs, 1 WIC/VWIC/VIC slot, 1 VWIC/VIC (voice only) slot, 2 advanced integration modules (AIM), 2 packet voice data modules (PVDMs), 2 Fast Ethernet connections, and 16 ports of IP phone power output.

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Cisco 2811 routers support 1 single network module enhanced (NME), 4 single or 2 double high-speed WAN interface cards (HWICs), 2 AIMs, 2 packet voice data modules (PVDMs), 2 Fast Ethernet connections, and 24 ports of IP phone power output.

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In Cisco 2821 routers, the network module slot adds support for a single network module enhanced extended (NME-X), and an additional slot supports an extension voice module (EVM); 3 PVDMs are supported; the LAN ports support 2 Gigabit Ethernet ports; and 36 ports of IP phone power output are available.

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In Cisco 2851 routers, the network module slot adds support for network module double-wide (NMDs) and network module enhanced extended double-wide (NME-XDs), and the IP phone power output is increased to 48 ports.