Cisco 520 - Manual (Page 15)

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Cisco Secure Router 520 Series Hardware Installation Guide
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Product Overview
The Cisco Secure Router 520 Series routers are designed for small businesses with up to 50 users and
teleworkers who want secure connectivity to corporate LANs and to the Internet. These routers provide
advanced security features that include secure Virtual Private Network (VPN) access and comprehensive
threat defense with Cisco IOS Firewall, Intrusion Prevention Solution (IPS), and URL filtering. The
Cisco Secure Router 520 Series routers also provide dynamic routing and advanced quality of service
(QoS) features.
The following sections provide an overview of the Cisco Secure Router 520 Series routers:
• Router Models, page 1-1
• Hardware Features, page 1-5
• Regulatory Compliance, page 1-9
Router Models
The Cisco Secure Router 520 Series routers are available in Ethernet and DSL models. The following
sections describe each of the routers:
• Cisco Secure Router 520 Ethernet-to-Ethernet Routers, page 1-1
• Cisco Secure Router 520 ADSL-over-POTS Routers, page 1-3
• Cisco Secure Router 520 ADSL-over-ISDN Routers, page 1-4
Cisco Secure Router 520 Ethernet-to-Ethernet Routers
The Cisco Secure Router 520 Ethernet-to-Ethernet routers can connect a small business or a teleworker
to a corporate LAN or to the Internet through an Internet service provider (ISP) over a broadband or
Ethernet connection. These switch-capable routers provide a 4-port Fast Ethernet switch for the LAN.
The routers are capable of bridging and multiprotocol routing between LAN and WAN ports.
Two router models are available:
• Cisco Secure Router 520 Ethernet-to-Ethernet (without wireless functionality).
• Cisco Secure Router 520 Ethernet-to-Ethernet Wireless (with wireless functionality). The wireless
router supports the use of a single 2.4-GHz antenna.