Нова версия на Mikrotik. Можете да си я свалите от тук.
http://mikrotik-bg.com/files/routeros-all-5.20.torrent
Новостите в 5.20 (2012-Aug-15 13:04):
*) manual upgrade to NEW beta poe controller firmware v2.0 for RB750UP and OmniTIK UPA;
more info at http://wiki.mikrotik.com/wiki/Manual:PoE-Out
*) fix RB951-2n wireless issues;
*) ups - fixed resource leak;