C H A P T E R 2

Overview of Cisco 1800 Series Routers (Modular)

Cisco 1800 series integrated services routers (ISR) (modular) are modular routers with LAN and WAN connections that can be configured by means of interchangeable interface cards and advanced integration modules (AIMs). The modular design of the routers provides flexibility, allowing you to configure or reconfigure your router according to your needs.

The Cisco 1841 router is a data-only device for desktop use.

Figure 2-1shows the Cisco 1841 router.

Figure 2-1 The Cisco 1841 Router

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The Cisco 1861 ISR, which is part of the Cisco 1800 series ISR family, is a unified communications solution for small- to medium-sized businesses and enterprise small branch offices that provides voice, data, voice-mail, automated attendant, video, and security capabilities while integrating with existing desktop applications such as calendar, e-mail, and customer relationship management (CRM) programs and with built-in security. It has the following core components:

Integrated Cisco Unified Communications Manager Express or Survivable Remote Site Telephony for call processing for up to 12 users

Optional Cisco Unity Express for voice messaging and automated attendant

Integrated LAN switching with Power over Ethernet (POE) expandable via Cisco Catalyst Switches

Optional support for a range of WAN interface cards

Figure 2-2and Figure 2-3show the Cisco 1861 ISR.

Cisco 1800 Series Routers (Modular) Hardware Installation Guide

 

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Cisco Systems CISCO1841-HSEC/K9-RF manual Overview of Cisco 1800 Series Routers Modular

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.