Polycom DOC2238A - Manual (Page 84)

Chapter 4 - Hardware Description
4-4
Figure 4-3 shows the top view of the inside of the MGC+100. The Main
Control Module, Functional Modules, and I/O cards are all connected to the
Backplane. The Power Supply Modules, located underneath the Main Control
Module and the Functional Modules, are connected to the Powerplane.
Figure 4-3: MGC+100 top (internal) view
Functional Modules
Backplane
C.U. I/O
I/O Cards
REAR
FRONT
CU