Boards By Functions; Control Board; Table 2.5 Boards By Functions - Samsung OfficeServ 7070 System Description

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2.3 Boards by Functions

OfficeServ7070 has Base board and eight slots to mount daughter board. Each slot can
mount the daughter boards that can perform the following function depending on the
configuration type of OfficeServ 7070.
Function
Main Control Part
Voice Trunk
Voice Station
Data
Voice Application
Power and Fan

2.3.1 Control Board

The Basic Main Processor (BMP) board is composed of the MAIN part and B8S part.
The main control block of the system is located in the MAIN part. The subscriber block is
located in the B8S part.
2.3.1.1 BMP (MAIN Part)
The BMP (MAIN part) is the control board that controls the main functions of the
OfficeServ 7070 and is installed in the system by default. It performs the voice switching,
signal processing, subscriber terminal management, VoIP processing, and VM/AA
processing functions, etc. In addition, it performs the system booting and data management
functions and directly controls various option boards. The BMP (MAIN part) runs various
applications through the LAN interface. The connector (RJ45) for physical Ethernet
connection is provided from the LAN port installed on the right side of the system.
Main Functions
The BMP (MAIN part) provides the following functions:

Runs various applications through the LAN interface.

VM/AA processing

Controls the secondary storage device (NAND memory).

Provides a Universal Asynchronous Receiver and Transmitter (UART) port

Internal/External Music On Hold (MOH), loud/common bell

Sets and displays the time.

Codec processing (MGI/VM/AA)

Time Switch function
2-6

Table 2.5 Boards by Functions

BMP: Controls the overall system.
PRM (for PRI lines), 4TRM (for analog trunks) , 2BRM (for BRI Lines)
4SL2 (for regular phone lines), 4DLM (for digital phone lines), E8S
Modem (optional)
None (Embedded in the system. Controlled by the software.)
PSU and Fan (Shipped with installed by default)
Board
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