Polycom DOC2237A - Manual (Page 82)

Chapter 4 - Hardware Description
4-10
Main Control Module
The Main Control Module performs the functions of conference setup,
conference teardown, and resource allocation in both the MGC-100 and the
MGC-50. The Main Control Module has an Intel-based Pentium processor, a
hard disk drive and 256 MB of memory. To enable 2000 reservations, the
MCU Main Control Module must contain at least 128 MB of memory.
The front LED’s indicate the status if the module is in operation and
functioning properly.
Figure 4-9 shows a block diagram of the Main Control Module.
Figure 4-9: Block diagram of MCM