OfficeServ 7400 INSTALLATIONTECHNICAL MANUAL PART 3 MAY 20103.1PART 3. INSTALLING AND REPLACING BOARDSThis section describes how to install and replace various boards of the OfficeServ 7400 system.3.1 CABINET CONFIGURATIONThe main and expansion cabinets of the OfficeServ 7400 system have 12 slots each. The slotsare numbered 0~11 as shown below. Slot 0 in EVERY cabinet is reserved ONLY for the LP40 card. Slot 3 in the main cabinet is reserved ONLY for the MP40 card. In the main cabinet, slots 1, 2, 4~11 are universal slots. The main cabinet has 10 universalslots. In OfficeServ 7400 expansion cabinets, slots 1~11 are universal slots. Each OfficeServ 7400expansion cabinet has 11 universal slots. A three-cabinet OfficeServ 7400 system has a maximum of 32 universal slots. All universal slots in the main cabinet are 64 channel slots. All universal slots in the OfficeServ 7400 expansion cabinet are 32 channel slots. All universal slots in the OfficeServ 7200 expansion cabinet are 16 channel slots.Figure 3.1 Front Panel ConfigurationExpansionCabinet 2ExpansionCabinet 1MainCabinetSLOT 0-LP40 SLOT 1 SLOT 2SLOT 3 SLOT 4 SLOT 5SLOT 6 SLOT 7 SLOT 8SLOT 9 SLOT 10 SLOT 11SLOT 0-LP40 SLOT 1 SLOT 2SLOT 3 SLOT 4 SLOT 5SLOT 6 SLOT 7 SLOT 8SLOT 9 SLOT 10 SLOT 11SLOT 0-LP40 SLOT 1 SLOT 2SLOT 3-MP40 SLOT 4 SLOT 5SLOT SLOT SLOT 8SLOT SLOT 10 SLOT 11