Optical Cloud Router Switch CRS310-1G-5S-4S+IN is a suitable solution for a table or 19" rack and at the same time a smaller central optical switch, which offers 5× SFP 1G speed, 4× SFP+ with 1G/10G speeds, 1× Gigabit Ethernet port with passive PoE power supply support and console RJ45 port, computing power is ensured by a modern ARM CPU v7, 256 MB RAM, which complements the active cooling on the back. The switch can be powered both via a DC connector and via an Ethernet port supporting passive PoE with a voltage of 18 - 57 VDC.