Optical line amplification and density

Light signals require amplification every ~100km to compensate for attenuation over long fiber spans. But Optical Line Amplification (OLA) sites are power and space constrained to efficiently manage 100+ rails for Multi-Pbps capacity.

Shared Resource Pooling

New multi-rail line systems centralize and dynamically allocate common optical resources including optical amplification, channel monitoring, and pump lasers. This enables multiple rails to share resources in a single high-density line card, reducing hardware duplication and power consumption.

Cisco Open Transport 3000 Multi-rail Open Line System can manage 4 rails per line card (128 rails per rack), resulting in 75% less power per rail and 80% less space per rail.

Operational simplification

Integrating functionality like optical channel monitoring on multi-rail system line cards enables operators to scale and simplify real-time spectrum monitoring. They can visualize power levels, detect signal quality and spectral interference to enhance network visibility and signal assurance across multiple rails.