VWIC-2T1/E1-RAN
Cisco Systems VWIC-2T1/E1-RAN
Today's mobile wireless operators need a flexible radio access network (RAN) to efficiently support multiple generations of radio technologies and quickly adapt as their network characteristics and business needs evolve, but must reduce operating expenditures while expanding their networks and providing new services. The Cisco RAN Optimization solution is a comprehensive family of IP-based solutions to optimize RAN architectures to significantly reduce operating costs and provide new revenue-generating opportunities for both Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications Service (UMTS) mobile wireless operators. The solution includes a bit-transparent technology that integrates smoothly into an existing RAN, providing optimized RAN transport over IP to increase bandwidth efficiency of GSM/GPRS/Enhanced Data for Global Evolution (EDGE) and UMTS/high-speed downlink packet access (HSDPA) backhaul. The solution also provides cell-site IP points of presence (POPs) to enable profitable new services and applications, and alternative RAN backhaul support to economically transport high-throughput cell-site traffic, such as circuit-switched UMTS data and HSDPA traffic.
The Cisco 2-Port T1/E1 Protection Switching RAN VWIC is an integral part of the Cisco RAN Optimization solution. This 2-port T1/E1 card supports traditional T1/E1 communications and features advanced processing for applications such as the Cisco RAN Optimization solution and circuit or pseudo wire emulation over IP.
- Two independent T1/E1 or fractional T1/E1 ports with RJ-48C physical connectors
- T1/E1 interface loopbacks, 75-ohm and 120-ohm impedances (balanced and unbalanced), framing (SF and ESF), and line codes (AMI, B8ZS, HDB3)
- LEDs for data carrier detect (DCD), loopback (LP), and alarm (AL)
- Integrated T1/E1 protection switching relays
- Integrated Channel Service Unit/Data Service Unit (CSU/DSU)
- Specialized high-performance hardware
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