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Nexans has launched the Iswitch G 1043E, an intelligent fast/Gigabit Ethernet switch system for harsh environment applications such as wind turbines.

This switch contains three fibre optic SFP (small form factor pluggable) uplink ports and eight TP (twisted pair) copper ports to realise multiple applications such as monitoring, service telephone, camera surveillance, diagnostics of rotor blades, access control and so on, via just one optical fibre.

Manageable Power over Ethernet (PoE) is also implemented as an optional feature to power equipment such as IP cameras, wireless access points, VoIP phones or multifunctional terminals directly via the switch system.

This technology meets the increasing demand for fibre-optic installations within wind turbines and, at the same time, reduces investment cost for new components, according to Nexans.

The internal construction of the Iswitch features special components for operating under demanding conditions.

The switch allows an early detection of changes on the optical link and a fast localisation of possible faults on the copper twisted pair cables links.

Supporting the Rapid Spanning Tree Protocol (RSTP), the Iswitch system will automatically change over to a redundant link in the event of transmission failure.

The switch systems inside the wind turbines can be monitored and managed through the NexmanV3 system interface.

This management software tool does not require any knowledge of complex management software systems.

All Iswitch systems are equipped with an integrated MMC card slot through which the complete system configuration may be saved as a back-up copy.

In the event of a failure, the maintenance personnel only need swap out the MMC card from the old switch, insert it into the new switch, and the configuration will automatically be mirrored to the new device.

This means that non-IT maintenance personnel can replace and reconfigure the switch quickly, which is ideal for offshore turbines.

Nexans is capable of outfitting an entire network through its Windlink range of cable solutions to ensure reliable wind turbine performance for manufacturers worldwide.

Nexans produces everything for a wind turbine from loop and nacelle cables to optical fibre cables and active equipment.

This means switches can be tested with cables under live conditions, ensuring compatibility and durability as a system.

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