The Cisco CRS-1 Carrier Routing System (PDF - 2.1 MB) is the industry's only carrier routing system offering continuous system operation, unprecedented service flexibility, and system longevity. Powered by Cisco IOS XR Software, it is designed for always-on operation while scaling system capacity up to 92 Tbps.
The CRS-1 marks a new era in carrier IP (Internet Protocol) communications by powering the foundation for IP Next-Generation Networks (IP NGNs) today while protecting investments for decades to come.
The Cisco CRS-1
Supports an integrated IP over dense wavelength-division multiplexing (DWDM) transponder with flexible 10 Gbps and 40 Gbps options that extends up to 2000 km without regeneration.
Supports standalone configurations of 320-Gbps, 640-Gbps, and 1.2-Tbps systems enabling 40-Gbps per slot capacity in all form factors.
Supports multichassis configurations of 1.2 to 92 Tbps with the use of up to 72 line card shelves and eight fabric shelves all operating as a single system.
Supports both fixed and modular line cards usable across all configurations. The fixed cards feature the world’s first 40-Gbps (OC-768/STM-256) tunable WDMPOS and POS interfaces. The Cisco I-Flex (PDF - 2.1 MB) design offers a portfolio of modular interfaces featuring shared port adapters (SPAs) and SPA interface processors (SIPs).
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