HWIC-ADSL-B/ST

  • Marca: Cisco
  • Modelo: HWIC-ADSL-B/ST
Classificação:
80%
4/5.0
List Price: 1 250,00 US$
40% OFF
748,00 US$
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    Vista Geral

    Cisco HWIC-ADSL-B/ST Vista Geral

    Os HWICs ADSL fornecem conectividade ADSL de 1 porta para uma WAN. Esses HWICs, combinados com o Cisco 1941 Integrated Services Router (ISR), o Cisco 1861 Integrated Services Router, os Integrated Services Routers da série Cisco 2900, os Integrated Services Routers (ISRs) da série 3900, 1841 ISR, 2800 e 3800 ISRs fornecem alta velocidade digital transmissão de dados entre o equipamento nas instalações do cliente (CPE) e um escritório central. Isso permite que os provedores de serviços e revendedores ofereçam serviços adicionais com recursos de suporte para segurança de nível empresarial, integração de voz, classes diferenciadas de serviço (CoS) e acesso gerenciado à rede com o Cisco IOS ® Software. Esses recursos de valor agregado, junto com a capacidade de gerenciamento e confiabilidade da tecnologia Cisco IOS Software, fornecem a rede de missão crítica que as empresas exigem.

    As placas HWIC de 1 porta e 2 portas são suportadas nos ISRs Cisco 1841, 1861, 2801, 2811, 2821, 2851, 3825, 3845, 1941, 2901, 2911, 2921, 2951, 3925 e 3945. Os HWICs de 1 porta são suportados a partir do Cisco IOS Software Release 12.4(4)T e os HWICs de 2 portas são suportados a partir do Cisco IOS Software Release 12.4(6)T no Cisco 1841, 1861, 2801, 2811, 2821, 2851, 3825, 3845 ISR. Os HWICS de 1 porta e 2 portas são suportados a partir do Cisco IOS Software Release 15.0(1)M para 1941, 2901, 2911, 2921, 2951, 3925 e 3945 ISRs.
    A ITU aceitou o padrão ADSL2 em julho de 2002 e o padrão ADSL2+ em janeiro de 2003. O padrão ADSL2 (ITU G.992.3) adiciona novos recursos e funções destinados a melhorar o desempenho e a interoperabilidade do ADSL. Além disso, o padrão adiciona suporte para novos aplicativos, serviços e cenários de implantação. Entre as mudanças estão melhorias na taxa de dados e desempenho de alcance, adaptação de taxa, diagnósticos aprimorados e aprimoramentos de energia. O padrão ADSL convencional (ITU G.992.1) fornece taxas de dados downstream de até 8 Mbps e taxas de dados upstream de até 0,8 Mbps, e ADSL2 oferece taxas downstream mais altas de até 12 Mbps e taxas de dados upstream de até 1 Mbps. O padrão ADSL2+ (ITU G.992.5) dobra a largura de banda usada para transmissão de dados downstream, dobrando efetivamente as taxas máximas de dados downstream e alcançando taxas de dados downstream de até 24 Mbps e taxas de dados upstream de até 1,5 Mbps. As taxas de dados exatas variam dependendo da distância do multiplexador de acesso DSL (DSLAM), tipo DSLAM, placa de linha e chipset e firmware, perfil de ruído, qualidade do cobre, etc. O padrão ADSL2 de alcance estendido (G.992.3) Anexo L aumenta o desempenho em comprimentos de loop superiores a 16.000 pés do escritório central. O Anexo M para G.992.3 (ADSL2) e G.992.5 (ADSL2+) foi aprovado em outubro de 2003. O Anexo M para G.992.3 (ADSL2) e G.992.5 (ADSL2+) contém Máscaras PSD para o novo serviço ADSL2 sobre POTS isso aumenta as taxas de dados upstream dobrando o número de tons dos EUA para 64. Como resultado, o Anexo M fornece velocidades de upload mais altas para usuários dobrando a taxa de dados upstream (quando comparado ao Anexo A) sob certas condições de loop e ruído.

    Certificações de qualidade

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    • ISO 9001
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    Especificação

    Cisco HWIC-ADSL-B/ST Especificação

    Informações gerais
    Fabricante: Cisco
    ID do produto: HWIC-ADSL-B/ST
    Descrição do produto: HWIC de 2 portas com ADSLoPOTS de 1 porta e ISDN BRI-S/T de 1 porta
    Tipo de Produto: HWIC
    Informações de marketing

    Os roteadores de serviços integrados da Cisco oferecem uma ampla variedade de módulos de conectividade WAN para acomodar a variedade de necessidades de aplicativos nas redes dos clientes. O novo Cisco ADSL sobre POTS e ISDN BRI High-speed WAN Interface Card (HWIC) oferece serviços DSL assimétricos (ADSL) de classe empresarial para clientes que variam de pequenas a médias empresas a filiais corporativas.

    Informação técnica
    Aplicação/Uso: Rede de área ampla
    Interfaces/Portas
    Interfaces/Portas:

    1 x RJ-11 ADSLoPOTS
    1 x ISDN BRI

    Diversos
    Compatibilidade: Roteadores de serviços integrados Cisco série 1800

    Certificações de qualidade

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