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Chapter 2
System Boards
Common Boards
Common boards of the SMG-3200 system include the MGCB board and VOIP board. This section
describes the features of each board.
MGCB Board
MGCB (Media Gateway Control Board) board controls the entire operation of the SMG-3200
system, and is installed in the MGCB system slot.
Three memories are installed in the MGCB board.
*512KB Flash Memory : Booting program is stored.
*8MB Flash Memory : Database used by the SMG-3200 system is saved in.
*16MB SDRAM : The place where the system software is run.
The features and functions of the MGCB board are as follows.
y Operational control of installed boards in the system
y Detection and generation of 16 DTMF
y Generation of 7 call progressing tones
y Offering 256x256 channel time slot
y Providing digital station interfaces and R2 signaling
y Offering a 10/100Mbps LAN port, and RS232C port