NAOS is the solution offered by CAF Signalling for multifuction, Intergrated Operations Control centres for signalling systems.

Based on the PCCI technology developed by the company, NAOS approach to railway operations control centres emphasises the intergration and coordination of different systems into a common platform to provide optimised management of railways operaiton and exploitation.

The NAOS Intergrated Control Centre performs an operator-friendly interface that helps the management of complex railway systems, enhancing both operations and maintenance of different, heterogenous but intergrated subsystems.