Cisco 1812j Manual

 
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Safety Warnings 

 
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AvisoINSTRUÇÕES 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...

 
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Related Documentation
Related Documentation
The Cisco IOS software that runs your Cisco 1800 series fixed-configuration router provides extensive 
features and functionality. For information that is beyond the scope of this document, or for additional 
information, use the resources listed in 
Ta b l e 2.
TimesaverMake sure that you have access to the documents listed in Ta b l e 2. Some of these...

 
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Cisco reserves the right to refund the purchase price as its exclusive warranty remedy.
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. 
Product warranty terms and other...

 
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CH A P T E R
 
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Overview
The Cisco 1800 series fixed-configuration routers are part of the new line of integrated services routers 
that are optimized for secure, fast, high-quality delivery of multiple, concurrent services for 
small-to-medium-sized businesses and small enterprise branch offices. The Cisco
 1811 and Cisco 1812 
routers offer an 8-port 10/100Base-T switch, dual 10/100Base-T WAN ports, two...

 
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  Hardware Features
Hardware Features
This section describes the basic features of the Cisco 1800 series fixed-configuration routers, including 
product identification, built-in interfaces, memory, LED indicators, chassis ventilation, and the internal 
clock.
Product Serial Number Location
On the Cisco 1800 series fixed-configuration routers, the serial number label is located on the...

 
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  Hardware Features
Memory
Cisco 1800 series fixed-configuration routers contain the following types of memory:
Ta b l e 1-1 Summary of Cisco 1800 Series Fixed-Configuration Built-In Interfaces 
FeatureDescription
Managed 8-port 10/100 Fast Ethernet 
switchProvides connection to 10/100BASE-T (10/100-Mbps) Ethernet networks. 
Compatible with 10/100-Mbps devices.
10/100 Fast Ethernet...

 
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  Hardware Features
 DRAM—Stores the running configuration and routing tables and is used for packet buffering by the 
network interfaces. Cisco
 IOS software executes from DRAM memory.Cisco 1800 series 
fixed-configuration routers contain 128 MB of internal DRAM memory by default. Cisco
 1800 
series fixed-configuration router models also contain a single 200-pin DDR Small Outline...