Hardware Configuration of CPM
Control Processor Module
A Redundant Controller Rack contains two CPMs. Either CPM can be
primary.
The CPM is shown in the following figure:
Figure 3-3: Control Processor Module
As indicated in this figure, CPM includes:
Table 3-4: CPM Components
Item Description
1 Status LED indicator for the CPM. For more information, see CPM Indicators
section.
2 Role LED indicator for the CPM. For more information, see CPM Indicators
section
3 SD card slot: supports 32GB Class 6 / Class 10 industry standard, not hot-
swappable, maximum weight 3g (0.0066 lb, 0.1058 oz).
4 Mode switch. For more information, see CPM mode switch section.
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