Loading... Please wait...The OfficeServ 7100 cabinet has three slots to mount boards, an AC to DC power supply, cooling fan, a battery backup connector and power on/off switch. The cabinet is designed to be rack mounted in a 19 inch rack, wall mounted with a wall-mounted bracket or placed on a table top. Slot 0 is exclusively used for the MP10 processor card, and slots 1 and 2 are 64 channel universal slots that the UNI cards or other OfficeServ 7200/OfficeServ 7400 station/trunk cards can be installed in.