Sealed New NIM-2MFT-T1/E1 Cisco ISR 4000 Voice and WAN Network Interface Module

(Nãota: O desconto da Cisco e o estoque sempre mudaram, tentaremos o maior esforço para segui-lo, mas não podemos garantir que todos os sites sejam alterados de acordo. Assim, o nosso serviço de produtos entrará em contato com você após o pedido, se atender a essa condição especial.)

Os Cisco® Fourth-Generation 1-, 2-, 4-, and 8-Port T1/E1 Multiflex Trunk Voice and WAN Network Interface Modules (NIMs) suportam aplicativos de dados e voz nos Cisco 4000 Integrated Services Routers. Essas placas combinam funções WIC (WAN-interface-card), VIC, PRI (Primary Rate Interface, interface de taxa primária), integração de acesso discado e funções CE1T1 (canalizated-data) para fornecer flexibilidade, versatilidade e proteção de investimento superiores por meio de seus muitos usos. Os clientes que optam por integrar dados e voz em várias etapas preservam seu investimento em uma interface WAN T1/E1.

Especificação rápida

* channel-group refers to bonding of one or more time slots into a single High-Level Data Link Control (HDLC)-framed serial connection for IP data traffic connectivity. This connection is used for HDLC, Frame Relay, and Multilink PPP (MLPPP) serial WAN connections. 

** ds0-group refers to bonding of one or more time slots into a single TDM voice connection using CAS such as ear and mouth (E&M), foreign exchange station (FXS), or foreign exchange office (FXO). This connection is used for TDM PBX or PSTN connections and typically is deployed only on T1. 

*** pri-group refers to bonding of two or more time slots into a single TDM connection using ISDN signaling. This connection is typically used for TDM PBX or PSTN voice connections on T1 and E1, and also for data WAN connections on E1. Each call on the PRI is individually indicated as being a voice or data call with the ISDN bearer capability delivered with the call. Signaling is done on the D-channel, which is always channel 24 on a T1 and channel 31 on an E1. 

**** tdm-group refers to cross-connecting one or more time slots from one TDM interface to another. This connection is used to groom channels from different access points onto a combined T1 or E1 uplink. Because the router merely cross-connects and does not interpret or route the traffic from the ingress interface to the egress interface, the traffic type (voice and data) is transparent to the router.

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