Wireless / Cell Backhaul

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Example of Two (2) Cellular/Wireless Service Providers (“Alpha” and “Victor”) on Two (2) Separate CWDM Channels Typical Hub/Tower Ring Network Design: Ch-12 BLUE (1491 nm dedicated to “Victor”) and Ch-16 ORANGE (1571 nm dedicated to “Alpha”)

 

Historically, Mobile Telephone, and Wireless, Towers have been connected via copper landlines (T1/E1) or Microwave Links. As 3G and 4G Wireless Systems roll out, the bandwidth requirements for these “Backhaul” Links are growing dramatically. Mobile Service Providers are seeking broadband connections to handle this increased traffic, at the same time that they continue their migration to all- IP based, Ethernet networks. Virtually every existing, and planned, Cell Tower location is within easy access of an existing MSO Network. SFC has the capability to support any envisioned SONET signal rate, as well as, Gigabit Ethernet, over a
Single Fiber connection, providing a clear, cost effective upgrade path for Wireless Service Providers via the MSO Backhaul Networks.

Above is a close-up view of a Backhaul Network section where the Towers are connected to the Secondary Hub using a Ring Topology formed by SFC Transceivers and Passives. Each Service Provider is allocated a specific ITU Channel (Zonu-Color) Wavelength for complete isolation from other SPs to maintain signal integrity and security. Only a single fiber is required to provide a fully redundant, “wrappable” Ring. With direct connection to Alcatel-Lucent TSS-5/100/320 systems, full compatibility with Cisco Systems, and seamless operation other OEM Switches and Routers, SFC is the most efficient and cost-effective CWDM approach for Backhaul applications. Where needed, our RFoF Links bring even the most remote Antenna/Tower into range.

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