Main Board; Power Supply Module; Control Board; Mp10 Board - Samsung OFFICESERV 7100 Service Manual

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2.2 Main Board

The main board receives the power of -54 V, - 5 V. +3.3 V, +5 V nd +12 V from the power
supply module and distributes the powers to each slot and functions as a path to transmit
various bus signals, clock signals and PCM conversion voice signals of the MP10/11 or LCP.
Power Distribution
Each slot of the OfficeServ 7100 receives the power from the power supply module mounted
on the cabinet and distributes the power to each slot.
Slot Mounted
The boards mounted on each slot receive the power and various signals of the main board
via the 30-pin connector and exchanges data with other boards.

2.3 Power Supply Module

The 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 charge
when there is no remaining current due to battery discharge.

2.4 Control Board

The control board to control the entire system operation is mounted on the control board
slot of the OfficeServ 7100 system. The control board is divided into two types: MP10 and
MP11. The type of the control board to be mounted is selected depending on the user's
request. The types of the control board for the OfficeServ 7100 system are as follows:

MP10 Board

MP11 Board
2.4.1 MP10 Board
The MP10 board controls the entire OfficeServ 7100 system operation. It is mounted on
only the dedicated slot for the MP10/11 board of the cabinet.
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