The MikroTik CRS112-8P-4S-IN is an eight Gigabit RJ45 ports PoE switch, that offers different power output options: autosensing 802.3af/at PoE/PoE+ and Passive PoE, and four SFP ports provide optical fiber connectivity options to support uplinks of up to 1 Gbps.
CRS112-8P-4S-IN is equipped with 12 independent switching ports.
28 V 3.4 A power supply is already included in the box.
There is secondary DC jack on the back of the enclosure that supports 48-57 V power supply (not included).
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 The MikroTik CRS series combines a fully functional router and a managable switch with L3 features, its powered by the familiar RouterOS.
All the specific Switch configuration options are available in a special Switch menu, but if you want, ports can be removed from the switch configuration, and used for routing purposes.
It gives you all the basic functionality for a managed switch, plus more: allows to manage port-to-port forwarding, apply MAC filter, configure VLANs, mirror traffic, apply bandwidth limitation and even adjust some MAC and IP header fields.
