how to work with bandwidth limits and ACL tabs

hi i am very new to mikrotik250gs switch and would like to know more about bandwidth limits for each port and ACL tools

plan is to setup 3 ports first port is from the router second port is for my Unifi access points switch . third port is for my VOIP phones connected switch

Port 1>>connects to >>BT HUB(for internet)
Port2>>connects to>>Access points switch
Port3>>connects to>>VOIP phones switch

port 2 (vlan 2) and port 3(vlan 3)
so i what to limit the bandwidth for two ports as equal EG. 5Mbps each
VOIP needs to be priority on ACL
please help .thanks in advance

hi.
you can create 3 queue in queue list and limit each interface withe your traffic request.
you can up priority of phone port above for reach good performance.
see it:http://wiki.mikrotik.com/wiki/Manual:Queue