Chapter 2 Overview of Cisco 1800 Series Routers (Modular)

Hardware Features

Interfaces on the Cisco 1841 Router

The following interfaces exist on the Cisco 1841 router:

Two Fast Ethernet ports (RJ-45 connectors)

High-speed console and auxiliary ports, up to 115.2 kbps each (RJ-45 connectors)

One USB port (version 1.1), intended for future use

Interfaces on the Cisco 1861 Integrated Services Router

The Cisco 1861 Integrated Services Router comes with various possible configurations, based on built-in ports and other hardware features of the Cisco 1861 Integrated Services Router and organized by model.

Table 2-1lists the labels and descriptions for the WAN, LAN, voice interface card (VIC), and other interfaces, along with the values for these interfaces in the preconfigured router software configuration.

Note In Table 2-1, all slots/ports are numbered right to left, unless otherwise noted.

Table 2-1

Cisco 1861 Integrated Services Router: Interfaces

 

 

 

 

 

Description

 

Label

Value in Software Configuration

 

 

 

Console/Aux port

CONSOLE

 

 

 

Fast Ethernet 10/100 expansion

EXPANSION

FastEthernet0/1/8

port

 

 

 

 

 

 

Fast Ethernet 10/100 WAN port

WAN

FastEthernet0/0

 

 

 

Fast Ethernet 10/100 Power over

Power over Ethernet, and

FastEthernet0/1/0 to 0/1/7

Ethernet (PoE) ports

ACT 0 LNK to ACT 7 LNK

 

 

 

 

FXS (Foreign Exchange Station)

FXS, and

port 0/0/0 to 0/0/3

ports

 

0-3

 

 

 

 

FXO (Foreign Exchange Office)

FXO, and

port 0/1/0 to 0/1/3

ports

 

0-3

 

 

 

 

ISDN BRI ports

B0 - B1

Top-to-bottom, port 0/1/0 to

 

 

 

0/1/1

 

 

 

VLAN number for data network

Vlan1

 

 

 

VLAN number for voice network

Vlan100

 

 

 

Music-on-Hold (MoH) port

 

voice-port 0/4/0

 

 

 

Compact Flash slot

COMPACT FLASH

flash

 

 

 

(Factory Option) VIC: BRI*

VIC2-2BRI-NT/TE

port 0/2/0 to 0/2/1

 

 

and 0-1

 

 

 

 

 

Cisco 1800 Series Routers (Modular) Hardware Installation Guide

2-4

OL-5876-03

 

 

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Cisco Systems CISCO1841-HSEC/K9-RF manual Interfaces on the Cisco 1841 Router, Description Label

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.