CHAPTER 12. Error! Use the Home tab to apply 제목 1,장 제목 1 to the text that you want to appear here.2-4 © SAMSUNG Electronics Co., Ltd.2.2 Main BoardThe main board receives the power of -54 V, - 5 V. +3.3 V, +5 V nd +12 V from the powersupply module and distributes the powers to each slot and functions as a path to transmitvarious bus signals, clock signals and PCM conversion voice signals of the MP10/11 or LCP.Power DistributionEach slot of the OfficeServ 7100 receives the power from the power supply module mountedon the cabinet and distributes the power to each slot.Slot MountedThe boards mounted on each slot receive the power and various signals of the main boardvia the 30-pin connector and exchanges data with other boards.2.3 Power Supply ModuleThe power supply module supplies power to the cabinet of the OfficeServ 7100.This module operates by AC input power or battery power, and supplies the powers of -54 V,-5 V, +3.3 V, +5 V, and +12 V to the cabinet.If the system operates with the AC power, the module supplies 0.4 A for battery chargewhen there is no remaining current due to battery discharge.2.4 Control BoardThe control board to control the entire system operation is mounted on the control boardslot of the OfficeServ 7100 system. The control board is divided into two types: MP10 andMP11. The type of the control board to be mounted is selected depending on the user’srequest. The types of the control board for the OfficeServ 7100 system are as follows:y MP10 Boardy MP11 Board2.4.1 MP10 BoardThe MP10 board controls the entire OfficeServ 7100 system operation. It is mounted ononly the dedicated slot for the MP10/11 board of the cabinet.
