R. Stahl
9721/13-42-x4 Unmanaged switch
For operation of up to four inherently safe "op is" fibre optic cables according to IEC 60079-28
The 9721 unmanaged switch is used to link electrical Ethernet networks (TX) and networks based on fibre optic cables (FX). The fibre optic cables are designed for operation in hazardous areas of Zones 0, 1, 2, 20, 21 and 22 with the "Ex op is" type of protection (IEC/EN 60079-28). Therefore, conventional fibre optic cables can also be used in hazardous areas and may be connected and disconnected during operation (i.e. hot swap).The unmanaged switch has 2 TX ports and 4 FX op is ports. A redundant power supply can be provided. Compatible with: R. STAHL IS1+ Remote I/O, HMI and IP cameras
• For operation of up to four inherently safe "op is" fibre optic cables according to IEC 60079-28
• For 100 Mbit/s Industrial Ethernet
• Transmission range up to 5 km (multi-mode) or up to 30 km (single-mode)
• Extended temperature range from -30 to +70 °C
• Redundant power supply
• Installation in Zone 2 or in safe areas
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