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Introduction to Cisco 3800 Series Routers 
Hardware Documentation
This introduction discusses the objectives, audience, and conventions of hardware documentation for 
Cisco 3800 series integrated services routers, and describes related documents where you can find 
additional information. It contains the following sections:
• Objectives and Organization, page 1
 Audience, page 2
 Conventions, page 2
 Safety Warnings, page 3
 Related Documentation, page 9
 Cisco 90-Day Limited Hardware War
                    
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                        Audience    Installing CompactFlash Memory Cards in Cisco 3800 Series Routers  Installing and Upgrading Internal Components in Cisco 3800 Series Routers For software configuration information, see the Cisco 3800 series software configuration documents and  the Cisco IOS configuration guides and command references. These publications are available online on  Cisco.com. See the “Obtaining Documentation” section on page 11 for more information. For warranty, service, and support information, see 
                    
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                        Safety Warnings   Tip Means the following information will help you solve a problem. The tips information might not be  troubleshooting or even an action, but could be useful information, similar to a Timesaver. Caution Means reader be careful. In this situation, you might do something that could result in equipment  damage or loss of data. Safety Warnings Safety warnings appear throughout these documents in procedures that, if performed incorrectly, may  harm you. A warning symbol precedes each
                    
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                        Safety Warnings   Attention IMPORTANTES INFORMATIONS DE SÉCURITÉ  Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant  entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez  conscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédures  couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des  avertissements figurant dans les consignes de sécurité t
                    
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                        Safety Warnings   ¡Advertencia! INSTRUCCIONES IMPORTANTES DE SEGURIDAD Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular  cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los  procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el  número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña  a este dispositivo.  GUARDE ESTAS INSTRUCCIO
                    
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                        Safety Warnings   Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões  corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os  circuitos elétricos e familiarize-se com as práticas padrão de prevenção de acidentes. Use o  número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de  segurança traduzidos que acompanham o dispositivo. 
                    
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                        Safety Warnings   Introduction to Hardware Documentation OL-5965-01 7                                                                                                                                                                                                                                                                                                                                                                                                                                               
                    
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                        Safety Warnings   Introduction to Hardware Documentation OL-5965-01 8                                                                                                                                                                                                                                                                                                                                                                                                                                               
                    
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                        Related Documentation   Related Documentation The Cisco IOS software that runs on your Cisco 3800 series router includes extensive features and  functionality. For information beyond the scope of these hardware documents, see the resources listed  in Table 2.  Timesaver Make sure that you have access to the documents listed in Table 2. Some of these documents are  available in print, and all are on the World Wide Web at Cisco.com, http://www.cisco.com. If you need  to order printed documents, se
                    
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                        Cisco 90-Day Limited Hardware Warranty Terms   Cisco 90-Day Limited Hardware Warranty Terms There are special terms applicable to your hardware warranty and various services that you can use  during the warranty period. Your formal Warranty Statement, including the warranties and license  agreements applicable to Cisco software, is available on Cisco.com. Follow these steps to access and  download the Cisco Information Packet and your warranty and license agreements from Cisco.com. 1. Launch you
                    
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                        Obtaining Documentation   To Receive a Return Materials Authorization (RMA) Number Contact the company from whom you purchased the product. If you purchased the product directly from  Cisco, contact your Cisco Sales and Service Representative.  Complete the information below, and keep it for reference:  Company product purchased from Company telephone number Product model number Product serial number Maintenance contract number Obtaining Documentation Cisco documentation and additional literatur
                    
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                        Documentation Feedback   Documentation Feedback You can send comments about technical documentation to bug-doc@cisco.com. You can submit comments by using the response card (if present) behind the front cover of your  document or by writing to the following address: Cisco Systems Attn: Customer Document Ordering 170 West Tasman Drive San Jose, CA 95134-9883 We appreciate your comments. Obtaining Technical Assistance For all customers, partners, resellers, and distributors who hold valid Cisco se
                    
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                        Obtaining Additional Publications and Information   To open a service request by telephone, use one of the following numbers: Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227) EMEA: +32 2 704 55 55 USA: 1 800 553 2447 For a complete list of Cisco TAC contacts, go to this URL: http://www.cisco.com/techsupport/contacts Definitions of Service Request Severity To ensure that all service requests are reported in a standard format, Cisco has established severity  definitions. Severity 1 (S1)—Yo
                    
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                        Obtaining Additional Publications and Information    iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies  learn how they can use technology to increase revenue, streamline their business, and expand  services. The publication identifies the challenges facing these companies and the technologies to  help solve them, using real-world case studies and business strategies to help readers make sound  technology investment decisions. You can access iQ Magazi
                    
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                          Overview of Cisco 3800 Series Routers Cisco 3800 series integrated services routers are part of a new generation of routers that incorporate  high-performance integrated data, voice, video, and virtual private network (VPN) capability, including  hardware-based VPN encryption acceleration, in a modular design that provides the flexibility to  configure your router according to your needs. These routers provide built-in Gigabit Ethernet LAN  interface ports, and you can add a wide variety of LA
                    
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                        NMD- FastEthernet Ports ESW- 35x 18x Ext 36 Pwr GE1 -48V GE0 10/100/ 1000 Base-Tx EN 10/100/1000 Base-Tx 17x 0x 35x 17x 34x 16x 33x 15x 32x 14x 31x 13x 30x 12x 29x 11x 28x 10x 27x 9x 26x 8x 25x 17 24x 6x 23x 5x 22x 4x 21x 3x 20x 2x 19x 1x 18x 0x R 1 COMPACT FLASH SYS AUX ACT RPS IP PWR AIM0 AIM1 PVDM0 PVDM1 PVDM2 0 PVDM3 NM- FastEthernet Ports ESW- 15x 8x Ext Pwr 16 -48V GE 10/100/ 1000 - Base Tx EN 7x 0x 15x 7x 14x 6x 13x 5x 12x 4x 11x 3x 10x 2x 9x 1x 8x 0x Router Descriptions   Figure 1 Front 
                    
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                        Router Descriptions   Figure 4 Rear Panel of Cisco 3825 Router 1 2 NMD- FastEthernet Ports ESW- 35x 18x Ext 36 Pwr GE1 -48V GE0 10/100/ 1000 Base-Tx EN 10/100/1000 17x 0x Base-Tx 2 35x 17x 34x 16x 33x 15x 32x 14x 31x 13x 30x 12x 29x 11x 28x 10x 27x 9x 26x 8x 25x 17 24x 6x 23x 5x 22x 4x 21x 3x 20x 2x 19x 1x 18x 0x NM- FastEthernet Ports CONSOLE SPD GE 0/1 LNK ESW- 15x 8x H H Ext W W 16 Pwr I I C C -48V GE 3 2 Cisco 3825 10/100/ 1000 Base-Tx H H EN W W I I 7x 0x C C 0 SPD LNK 1 1 AU AUX X GE 0/0 S
                    
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                        Router Descriptions   Figure 6 Front Panel of Cisco 3845 Router 1 2 3 4 1 LED indicators 3 Power connector (AC shown) 2 Power switch 4 Location of optional second power supply Figure 7 Rear View of Cisco 3845 Router Overview of Cisco 3800 Series Routers OL-5966-01 4 117774 116843                                                                                                                                                                                                                            
                    
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                        NMD- FastEthernet Ports ESW- 35x 18x Ext 36 GE1 Pwr -48V GE0 10/100/ 1000 Base-Tx EN 10/100/1000 17x 0x Base-Tx 35x 17x 34x 16x 33x 15x 32x 14x 31x 13x 30x 12x 29x 11x 28x 10x 27x 9x 26x 8x 25x 17 24x 6x 23x 5x 22x 4x 21x 3x 20x 2x 19x 1x 18x 0x SN: XXXNNNNXXXX NM- FastEthernet Ports ESW- 15x 8x Ext 16 Pwr -48V GE 10/100/ 1000 Base-Tx EN 7x 0x 15x 7x 14x 6x 13x 5x 12x 4x 11x 3x 10x 2x 9x 1x 8x 0x Product Identification   Figure 8 Rear Panel of Cisco 3845 Router 3 4 15 5 7 1 2 8 9 6 GE 0/1 CONSOL
                    
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                        SN: XXXNNNNXXXX NM- FastEthernet Ports ESW- 15x 8x Ext Pwr 16 -48V GE 10/100/ 1000 Base-Tx EN 7x 0x 15x 7x 14x 6x 13x 5x 12x 4x 11x 3x 10x 2x 9x 1x 8x 0x Built-In Ports   Figure 10 Cisco 3845 Router Serial Number Location  SN: XXXNNNNXXXX Note The serial number for Cisco 3825 and Cisco 3845 routers is 11 characters long.  Cisco Product Identification Tool The Cisco Product Identification tool provides detailed illustrations and descriptions showing where to  locate serial number labels on Cisco