MikroTik’s RB-CRS1128P is an eight port Gigabit PoE switch, that offers different power output options: autosensing 802.3af/at PoE/PoE+ and Passive PoE, and four SFP ports provide optical fibre connectivity options to support uplinks of up to 1 Gbps. The RB-CRS1128P is equipped with 12 independent switching ports. 28V 3.4A power supply is already included in the box. There is a secondary DC jack on the back of the enclosure that supports 48-57V power supply which is not included. MikroTik’s RB-CRS1128P is an eight port Gigabit PoE switch, that offers different power output options: autosensing 802.3af/at PoE/PoE+ and Passive PoE, and four SFP ports provide optical fibre connectivity options to support uplinks of up to 1 Gbps.