Cisco 1801W Hardware Installation Guide - Page 17
Overview - 1801 router
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Overview 1 C H A P T E R The Cisco 1800 series fixed-configuration routers are part of the new line of integrated services routers that are optimized for secure, fast, high-quality delivery of multiple, concurrent services for small-to-medium-sized businesses and small enterprise branch offices. The Cisco 1811 and Cisco 1812 routers offer an 8-port 10/100Base-T switch, dual 10/100Base-T WAN ports, two USB 2.0 ports, and either an ISDN S/T or an analog modem port. The Cisco 1801, Cisco 1802, and Cisco 1803 routers offer an 8-port 10/100Base-T switch; a single 10/100Base-T WAN port; an ISDN S/T port; and either an ADSL over POTS, ADSL over ISDN, or G.SHDSL WAN port. All models also offer embedded hardware-based encryption that provides superior performance for advanced applications, optional 802.11a/b/g wireless LAN functionality, an integrated real-time clock for validating digital certificates and stamping syslog entries, and optional Power over Ethernet (PoE). Figure 1-1 shows a front view of a Cisco 1800 series fixed-configuration router. Figure 1-1 Front View of a Cisco 1800 Series Fixed-Configuration Router 9 SYS OK POE S 8SWITC7H 4 FEX 3 6 FE1 PPP VPN 2 FE0 LINK B1 ISDN B2 CF Cisco 1800 Series 127160 This chapter describes the features and specifications of the routers and includes the following sections: • Hardware Features, page 1-2 • Chassis Views, page 1-7 • Interface Numbering, page 1-11 • Specifications, page 1-12 • Regulatory Compliance, page 1-13 OL-6425-03 Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide 1-1