Chapter 1 Product Description

Hardware Features

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LED Indicators

Table 1-2summarizes the LED indicators that are located in the router bezel or chassis, but not in the interface cards installed in slot 0 or slot 1.

Table 1-2

Summary of Cisco 1805 DOCSIS Cable Router LED Indicators

 

 

 

 

 

 

LED

 

Color

Description

Location:

 

 

 

 

 

SYS PWR

 

Green

Router has successfully booted up and the software is functional.

Front

 

 

 

This LED blinks while booting or in the ROM monitor.

panel

 

 

 

 

 

SYS ACT

 

Green

Blinking when any packets are transmitted or received on any

Front

 

 

 

WAN or LAN, or during monitoring system activity.

panel

 

 

 

 

 

CF

 

Green

On when flash memory is busy. Do not remove the CompactFlash

Back

 

 

 

memory card when this light is on.

panel

 

 

 

 

 

FDX (FE 0/0)

 

Green

On indicates full-duplex operation. Off indicates half-duplex

Back

 

 

 

operation.

panel

 

 

 

 

 

100 (FE 0/0)

 

Green

On indicates a 100-Mbps link. Off indicates a 10-Mbps link.

Back

 

 

 

 

panel

 

 

 

 

 

Link (FE 0/0)

 

Green

On when the router is correctly connected to a local Ethernet

Back

 

 

 

LAN through Ethernet port 0.

panel

 

 

 

 

 

FDX (FE 0/1)

 

Green

On indicates full-duplex operation. Off indicates half-duplex

Back

 

 

 

operation.

panel

 

 

 

 

 

100 (FE 0/1)

 

Green

On indicates a 100-Mbps link. Off indicates a 10-Mbps link.

Back

 

 

 

 

panel

 

 

 

 

 

Link (FE 0/1)

 

Green

On when the router is correctly connected to a local Ethernet

Back

 

 

 

LAN through Ethernet port 1.

panel

 

 

 

 

 

AIM

 

Green

On indicates presence of an AIM in the internal AIM slot.

Back

 

 

 

 

panel

 

 

 

 

 

Chassis Ventilation

An internal three-speed fan provides chassis cooling. An onboard temperature sensor controls the fan speed. The fan is always on when power is applied to the router. Under most conditions, the fan operates at the slowest speed to conserve power and reduce fan noise. It operates at higher speeds when necessary in conditions of higher ambient temperature.

Real-Time Clock

On system power up, an internal real-time clock with battery backup provides the system software with time of day. This allows the system to verify the validity of a certification authority (CA) certificate. The backup battery is a socketed lithium battery. This battery lasts the life of the router under the operating environmental conditions specified for the router, and is not field replaceable.

Cisco 1805 DOCSIS Cable Router Hardware Installation Guide

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Cisco Systems CISCO1805-D, CISCO1805-E LED Indicators, Chassis Ventilation, Real-Time Clock, Color Description Location

CISCO1805-D/K9, CISCO1805-D, CISCO1805-E specifications

Cisco Systems has long been a leader in networking technologies, and the Cisco 1800 Series Integrated Services Routers (ISRs) exemplify this heritage. The models CISCO1805-D/K9, CISCO1805-E, and CISCO1805-D are designed to meet the demands of small to medium-sized businesses that require secure and reliable connectivity for their branch offices.

One of the primary characteristics of the Cisco 1800 Series is its comprehensive feature set designed for mixed-function use. These routers support a variety of applications, including data, voice, and video, facilitating a seamless network experience. With built-in security features, such as firewall capabilities and encrypted VPN tunnels, businesses can ensure that their data remains protected against unauthorized access and cyber threats.

The Cisco 1800 Series stands out due to its modular design. This modularity allows organizations to customize their routers according to specific network demands. The ISRs come with various interfaces and expansion slots, which provides the flexibility to add additional WAN or LAN modules as well as voice and data services. The ability to mix and match modules makes it an ideal choice for businesses with evolving needs.

Advanced technologies such as Quality of Service (QoS) are also featured in the Cisco 1800 Series. QoS ensures that critical applications receive sufficient bandwidth and low latency, which is essential for maintaining optimal performance in data-intensive environments. This is particularly important for businesses using Unified Communications solutions that require high-quality voice and video calls.

For organizations looking for robust connectivity options, the Cisco 1800 routers support a variety of WAN technologies, including DSL, Ethernet, and 3G/4G LTE connections, offering redundancy and resilience. This ensures that businesses can maintain connectivity even in instances of failure in their primary connection.

Furthermore, the Cisco 1800 Series ISRs are equipped with integrated wireless capabilities, providing flexibility for users who require wireless access at their locations. With the ability to support wireless LANs, these routers can easily extend network coverage, making them an excellent choice for businesses with mobile workforces.

In conclusion, the CISCO1805-D/K9, CISCO1805-E, and CISCO1805-D routers are engineered to provide solid performance while addressing the unique needs of small to medium-sized enterprises. Their modular design, advanced security features, support for mixed applications, and flexible connectivity options make them a reliable choice for businesses seeking to enhance their networking capabilities. As organizations continue to navigate the complexities of modern digital transformations, the Cisco 1800 Series serves as a trusted platform that can grow with their needs.