As part of a local safety contract that was drawn up in 2001, a video surveillance system was introduced in the city of Cannes.
A dedicated analog network was set up, using fiber optics for information support. But by 2005, the network was overloaded. It needed to be upgraded, and this was the perfect opportunity to integrate new services such as telecommunication, traffic control and centralized time recorders. The solution selected entailed the installation of a digital multiservice network called a MAN (Metropolitan Area Network), featuring very high speed connections.
We are gradually evolving from cities equipped with video surveillance cameras into smart cities. Data networks combine more services more reliably and economically for the city while roviding increased benefits for the inhabitants and the environment. The multiservice network in Cannes was implemented by SATELEC, an organization tasked with systems integration in the Electricity, Electronics and IT Division of the FAYAT Group. This network integrates video surveillance, time recorders, traffic flow management, traffic signs, access systems, and will soon be expanded to include public lighting. The city of Cannes has already set at least one record: it is the first municipality in France to monitor the operation of its time recorders. This information is used by the police, the gendarmerie, the fire services, public transport operators and the city's Environment, Infrastructure and Transportation authority.
The main problem has been knowing how to utilize the networks of different network technologies that already existed (fiber optic, copper cabling for traffic control...)
SATELEC set up a 4-layer architecture with a Gigabit ETHERNET network backbone to which the various services are connected. A redundant loop consisting of 12 Telecom racks is connected to the backbone. Each of these racks combines an average of 12 video surveillance racks, which in turn are used to connect the other services on the network via an RS20 switch. The PowerMICE switches preserve the modularity of a network that has already evolved and will undoubtedly tend towards an even higher degree of integration. In all, more than 250 Hirschmann devices were included in the creation of this network.