Cisco 2821 Series Scheda tecnica
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DATA SHEET
CISCO 2800 SERIES INTEGRATED SERVICES ROUTERS
®
Cisco Systems
, Inc. is redefining best-in-class enterprise and small- to- midsize business routing with a new line of
Integrated Services routers that are optimized for the secure, wire-speed delivery of concurrent data, voice, and video
®
services. Founded on 20 years of leadership and innovation, the Cisco
2800 Series of integrated services routers (refer
to Figure 1) intelligently embed data, security, and voice services into a single, resilient system for fast, scalable delivery
of mission-critical business applications. The unique integrated systems architecture of the Cisco 2800 Series delivers
maximum business agility and investment protection.
Figure 1
Cisco 2800 Series
PRODUCT OVERVIEW
The Cisco 2800 Series comprises four new platforms (refer to Figure 1): the Cisco 2801, the Cisco 2811, the Cisco 2821, and the Cisco 2851.
The Cisco 2800 Series provides significant additional value compared to prior generations of Cisco routers at similar price points by offering
up to a fivefold performance improvement, up to a tenfold increase in security and voice performance, new embedded service options, and
dramatically increased slot performance and density while maintaining support for most of the more than 90 existing modules that are available
today for the Cisco 1700, Cisco 2600, and Cisco 3700 Series.
The Cisco 2800 Series features the ability to deliver multiple high-quality simultaneous services at wire speed up to multiple T1/E1/xDSL
connections. The routers offer embedded encryption acceleration and on the motherboard voice digital-signal-processor (DSP) slots; intrusion
prevention system (IPS) and firewall functions; optional integrated call processing and voice mail support; high-density interfaces for a wide
range of connectivity requirements; and sufficient performance and slot density for future network expansion requirements and advanced
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