2-1
Chapter
2
System Boards
This Chapter describes the types of boards available for the SMG-400, and the functions and
features of each board.
Types of Boards
There are
two types of board available for the SMG-400: the
MCU board and LOOP board.
MCU Board
MCU (Main Control Unit) boards
must
be installed in the SMG-400. MCU board controls
the entire operation of the system and VoIP Gateway function and provides SLC subscriber
ports. MCU boards include the following three parts.
☞
MGCB (Media Gateway Control Block) Part
☞
VOIP (Voice over Internet Protocol) Part
☞
SLC (Subscriber Line Circuit) Part
LOOP Board
LOOP (Loop Start Trunk) board may be installed depending on the user’s need. LOOP board
provides 4 loop start ports.