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Used Cisco CRS-1 Multishelf Carrier Routing System

Part # CRS-1

Product Description: Cisco CRS Series - The Cisco CRS-1 Carrier Routing System provides carrier IP communications by powering the foundation for network and service convergence today while protecting investments for decades to come. The Cisco CRS-1 Multishelf System delivers the service flexibility, continuous system operation, and system longevity of the Cisco CRS-1 platform, scaling from 640 Gbps to 92 Tbps while in service with no service disruption.

The Cisco CRS-1 Multishelf System consists of 2 to 72, 40-Gbps-per-slot line-card shelves and 1 to 8 fabric shelves for a total switching capacity of up to 92 Tbps. It also supports in-service upgrade from single-shelf to multishelf configuration with the addition of 1 to 8 fabric shelves, as well as protects investments by using modular services cards (MSCs) and physical layer interface modules (PLIMs) that are fully interchangeable across the entire CRS-1 product family. The Cisco CRS-1 Multishelf System supports up to 1152 slots for MSCs, PLIMs, and distributed route processors. It's feature line-card shelves are connected only to the fabric-card shelves where Stage 2 of the three-stage switching process is performed supporting true fabric shelf redundancy, service-intelligent fabric queuing, and massive multicast replication scale. 

The CRS-1 (different from a GSR or a 7600), is built around a midplane. Each "line card" (Modular Services Card) has a part that goes into the back and a part that goes in the front, called Physical Layer Interface Module (PLIM). The MSCs are all the same and work with any kind of PLIM which are available for different kinds of transmission media.

When purchasing one of used Cisco Carrier Routing System, part number CRS-1 from GGI Networks, expect high-quality used network equipment. All of our reconditioned, refurbished, pre-owned, and used network accessories are tested and guaranteed.

If you have questions regarding our Cisco Carrier Routing System part number CRS-1 email or call one of our Sales Representatives at: 1-800-908-9665.


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