MikroTik CRS112 8-Port 4-SFP Cloud Router SwitchMikroTikCRS112, CRS112 8P 4S IN, is a Cloud Router Switch equipped with 12 independent switching ports with a 28V 3. 4A power supply included in the box. With a secondary DC jack on the back of the enclosure that supports 48V 57V power supply (not included, can be purchased separately) the CRS112 8P 4S IN can power 802. 3af at devices if 48 V DC input is used (unit will automatically detect and provide correct power to devices). This Cloud Router