C269-3404A - managed switch with ring support, designed to work as part of the equipment of Ethernet networks. The switch has five Ethernet ports 10Base-T/100Base-TX/1000Base-T and two optical ports (sockets for SFP modules), as well as three galvanically isolated inputs type "dry contacts" to connect external sensors.
Local equipment is connected via UTP copper cable not worse than CAT5.
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