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Data SheetSummaryAs companies increase their security requirements and their need for integrated services, moreintelligent branch-network solutions are required. The best-in-class Cisco 1800 Series architecturehas been specifically designed to meet these requirements for secure concurrent services at wirespeedperformance. The Cisco 1800 Series integrated services routers, consisting of the Cisco1801, 1802, 1803, 1811, 1812, and 1841 routers, offer the opportunity to consolidate the functionsof separate devices into a single, compact solution that can be remotely managed. By providingintegrated services and high performance, the Cisco 1800 Series routers deliver security,versatility, scalability, and flexibility to deploy multiple applications in the small to medium-sizedoffice and small enterprise branch office, and the service provider customer edge. The Cisco 1800Series easily accommodates a wide variety of network applications, such as secure branch-officedata access with broadband and Ethernet access including NAC for antivirus defense, VPNaccess and firewall protection, PoE support, inter-VLAN routing and support deployment of secure,enterprise-class WLANs. These routers give customers the industry's most flexible, secure, andadaptable infrastructure to meet both today's and tomorrow's business requirements for maximuminvestment protection.Product <strong>Specifications</strong>Table 3 lists the product specifications for the Cisco 1801, 1802, 1803, 1811, and 1812 routers.Table 3.ProductCisco 1800 Series Fixed-Configuration RoutersDescriptionChassisForm FactorChassisWall-MountableRack-MountableDimensions (W x D)WeightDesktop, 1-rack-unit (1-RU) high (4.75-cm high with rubber feet)MetalYesYes (optional 19-in. rack-mount kit required) 12.74 x 9.7 in. (32.36 x 24.64 cm) Height without rubber feet: 1.75 in. (4.45 cm) Height with rubber feet: 1.89 in. (4.80 cm)Maximum: 6.1 lb (2.8 kg)ArchitectureFlash MemoryFlash Memory CapacityDRAMDRAM CapacityADSL PortExternal removable Compact Flash Default: 32 MB Maximum: 128 MBSynchronous dual in-line memory module (DIMM) SDRAM (1 DIMM slot) Default: 128 MB Maximum: 384 MBOne ADSL over POTS port on Cisco 1801. One ADSL over ISDN on Cisco 1802. TheCisco 1801 supports ADSL over POTS standards G.992.1 G.DMT and ANSI T1.413 DMTIssue 2. The Cisco 1802 supports ADSL over ISDN standards ETSI 101-388, U-R2, andG.992.1 G.DMT.All contents are Copyright © 1992–2007 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 8 of 15
Data SheetProductDSL <strong>Specifications</strong>Description ST-Microelectronics 20190 chipset Supports ADSL over basic telephone service with Annex A and Annex B ITU G. 992.1(ADSL), G.992.3 (ADSL2), and G.992.5 (ADSL2+) Supports ADSL over basic telephone service with Annex M (extended upstreambandwidth) G.992.3 (ADSL2) and G.992.5 (ADSL2+) for Cisco 1801 only G.992.1 ITU G.DMT support G.994.1 ITU G.hs negotiation Support for Reach-extended ADSL2 (G.922.3) Annex L Complies with T1.413 ANSI ADSL DMT issue 2 DSL Forum TR-067The chipset does not provide interoperability with carrierless amplitude modulation/phasemodulation (CAP)-based ADSL linesAnnex A and Annex B are supported starting with Cisco IOS Software Release 12.4(4)T.Annex M is supported starting with the special Cisco IOS Software Release 12.4(11)XJ.The ADSL2 standard (ITU G.992.3) adds new features and functions targeted atimproving ADSL performance and interoperability. In addition, the standard adds supportfor new applications, services, and deployment scenarios. Among the changes areimprovements in data rate and reach performance, rate adaptation, improved diagnostics,and power enhancements. The conventional ADSL standard (ITU G.992.1) providesdownstream data rates of up to 8 Mbps and upstream data rates of up to 0.8 Mbps, andADSL2 provides higher downstream rates of up to 12 Mbps and upstream data rates of upto 1 Mbps.The ADSL2+ standard (ITU G.992.5) doubles the bandwidth used for downstream datatransmission, effectively doubling the maximum downstream data rates, and achievingdownstream data rates of up to 24 Mbps and upstream data rates of up to 1.5 Mbps.ITU G.992.3 Annex M adds capabilities for extended upstream bandwidth above 2.0Mbps.This allows carriers and enterprises to cover applications traditionally served by T1, E1,G.SHDSL without overhauling the transport infrastructure. Exact data rates varydepending on the distance from the DSL access multiplexer (DSLAM), DSLAM type, linecard and chipset, and firmware, noise profile, quality of copper, etc. The reach-extendedADSL2 standard (G.992.3) Annex L increases performance on loop lengths greater than16,000 feet from the Central Office.ADSL Digital Subscriber LineAccess Multiplexer (DSLAM)InteroperabilityThe Cisco 1801 is interoperable with thefollowing DSLAMs: Cisco 6130 and Cisco 6260 IP DSLswitches Alcatel (ASAM 1000 and 7300) Lucent Stinger (24- and 72-port linecards) ECI HiFocus (16- and 32-port linecards)The Cisco 1802 is interoperable with thefollowing DSLAMs: Cisco 6260 Alcatel (ASAM 1000 and 7300) Siemens (XpressLink 2.0 andXpressLink 2.1) Lucent Stinger (48-port line cards) ECI HiFocus (16- and 32-port linecards)G.SHDSL PortOne G.SHDSL port on Cisco 1803 supports either 2-wire mode or 4-wire mode. The Cisco1803 supports the same standards as the Cisco G.SHDSL WIC and is based on ITURecommendation G.991.2 (accepted worldwide).G. SHDSL DSLAMInteroperabilityThe Cisco 1803 in 2-wire mode isinteroperable with the following DSLAMs: Cisco 6000 Series IP DSL switches Alcatel ASAM 7300 (12- and 24-port linecards) ECI HiFocus SAM 2401 (16-portMetalink-based line cards) Lucent Stinger FS (32- and 48-port linecards) CopperEdge 200 DSLAM (24-port linecards)The Cisco 1803 in 4-wire mode isinteroperable with the followingDSLAMs: Alcatel ASAM 7300 (12- and 24-portline cards) CopperEdge 200 DSLAM (24-portline cards)10/100 WAN Ports 10/100BASE-T ports for WAN connection supporting DSL and cable modems andEthernet access services. (One port is available on Cisco 1801, 1802, and 1803. Twoports are available on Cisco 1811 and 1812.)10/100 LAN Switch Eight 10/100BASE-T fully managed switch ports with 802.1Q VLAN and 802.3af PoEsupportUSB PortsTwo (USB 2.0) on Cisco 1811 and 1812 only. The Cisco 1801, 1802, and 1803 do notoffer USB support.ISDN S/T BRI Port One ISDN S/T BRI port on Cisco 1801, 1802, 1803, and 1812V.92 Analog Modem Port One analog modem port on Cisco 1811Console PortOne-up to 115.2 kbpsAll contents are Copyright © 1992–2007 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 9 of 15
Page 1 and 2: Data SheetCisco 1800 Series Integra
Page 3 and 4: Data SheetNetwork ApplicationsSecur
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Page 7: Data SheetFeatureSite-to-Site VPNDy
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Page 13 and 14: Data SheetTable 5.Ordering Informat
Page 15: Data SheetService and SupportLeadin

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