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Cisco CRS-1 4-Slot Single-Shelf System

Compact, Affordable Carrier Routing System

The Cisco CRS 4-Slot Single-Shelf System is a compact 140-Gbps router. It extends the network core to regional Class 3 and 4 central offices, multi-system operator (MSO) hub locations, and data center peering sites. The 4-slot system represents a smaller, more cost-effective configuration of the Cisco Carrier Routing System.

Features and Capabilities

  • Consists of a single 4-slot, 140-Gbps-per-slot line-card shelf for a total switching capacity of 1120 Gbps
  • Protects investments by supporting all CRS physical layer interface modules (PLIMs) and 40G and 140G modular services cards (MSCs)
  • Offers you the service flexibility, continuous system operation, and system longevity of the CRS in a smaller and more cost-effective configuration
  • Features a midplane design for a space-efficient form factor
  • Contains slots for four MSCs, four PLIMs, and two route processors in the front of the chassis

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