CRS112-8P-4S-IN is eight Gigabit RJ45 ports PoE switch, that offers different power output options: autosensing 802.3af/at PoE/PoE+ and Passive PoE
Four SFP ports provide optical fiber connectivity options to support uplinks of up to 1 Gbps
There is secondary DC jack on the back of the enclosure that supports 48-57 V power supply (not included, can be purchased separately)
CRS112-8P-4S-IN can power 802.3af/at devices if 48-57 V DC input is used (unit will automatically detect and provide correct power to devices)
Max current is 1 A per port if input voltage is 18-28 V, 450 mA if 48-57 V. Total limit is 2.8A@24V and 1.4A@48-57V