Shanghai Metro Security Upgrade Shanghai Metro, the largest metro subway rail system in China, upgraded its security system utilizing 59 Infinova Networked Matrix Switchers, 70 PTZ dome cameras, over 1400 fixed and fixed minidome cameras, and fiber optic transceivers. This critical upgrade offered many challenges for the integrators including very large open spaces with multiple entrances and exits, a high volume of rail traffic and large crowds spread throughout many locations on metro lines 1, 2 & 3. The security integrators needed a system that met multiple requirements from the specification including very large scalability, high reliability, precise camera control and a robust architecture. Shanghai’s South railway station,

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