Introducing the RouterBOARD 250GS.
The RB250GS is a small SOHO switch in a plastic case. It has five Gigabit ethernet ports powered by an Atheros Switch Chip.
It is powered by a new operating system designed specifically for MikroTik Switch products - SwOS.
SwOS is configurable from your web browser. 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.
Power over Ethernet: 9-28V DC on Ethernet port 1
(Only on pins 4,5,7,8. Passive PoE. Non 802.3af).
Jack: 9-28V DC