C H A P T E R 11

Installing and Upgrading Internal Modules in Cisco 1800 Series Routers (Modular)

This chapter describes how to install or upgrade modules that are located internally within the Cisco 1800 series integrated services routers (modular): memory modules and advanced integration modules (AIMs). You need to remove the cover from the router to install or remove any of these items. The chapter contains the following sections:

Safety Warnings, page 11-1

Modules Internal to the Cisco 1841 Router, page 11-2

Note To see translations of the warnings that appear in this publication, see the Regulatory Compliance and Safety Information for Cisco 1840 Routers.

Safety Warnings

Warning Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord. Statement 1

Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. Statement 43

Warning During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly touch the backplane with your hand or any metal tool, or you could shock yourself. Statement 94

Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement 1001

Warning Read the installation instructions before you connect the system to its power source. Statement 1004

Cisco 1800 Series Routers (Modular) Hardware Installation Guide

 

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Cisco Systems CISCO1841-HSEC/K9-RF manual Safety Warnings, 11-1

CISCO1841-HSEC/K9-RF specifications

The Cisco Systems CISCO1841-HSEC/K9-RF is a versatile and robust router designed to meet the demands of small to medium-sized businesses and branch offices. This model is part of the Cisco 1800 Series Integrated Services Routers, which are known for their performance, security features, and scalability, making them ideal for organizations seeking to enhance their network infrastructure.

One of the main features of the CISCO1841-HSEC/K9 is its modular architecture. This design allows businesses to customize and expand their networks according to changing needs by adding various modules and interfaces. The router supports multiple WAN interfaces, which include serial, Ethernet, and DSL, providing flexible connectivity options to accommodate various networking scenarios.

The CISCO1841-HSEC/K9 also boasts an integrated security architecture. This router is equipped with advanced security features, including firewall capabilities, VPN support, and intrusion prevention systems. These technologies ensure that data is protected while being transmitted across the network. The built-in security features help organizations safeguard sensitive information against potential threats and cyberattacks.

In terms of performance, the CISCO1841-HSEC/K9 is powered by a high-speed processor and dynamic routing capabilities, which allow it to efficiently handle high volumes of traffic without compromising performance. The router supports various routing protocols, including EIGRP, OSPF, and BGP, facilitating seamless data flow and efficient route management.

Another noteworthy characteristic of the CISCO1841-HSEC/K9 is its support for voice and video services. This capability enables businesses to deploy unified communications applications, such as VoIP and video conferencing, enhancing collaboration among team members and improving overall productivity.

Moreover, the router is designed for easy management and monitoring. Cisco’s IOS software provides a user-friendly interface, allowing network administrators to configure, operate, and troubleshoot the network with ease. The router also supports Cisco’s Smart Install feature for simplified deployment and management.

In summary, the Cisco Systems CISCO1841-HSEC/K9-RF is a powerful and adaptable router that combines security, flexibility, and performance. Its modular design, robust security features, support for various routing protocols, and capabilities for multimedia applications make it a compelling choice for businesses looking to enhance their network infrastructure while addressing current and future demands.