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Chapter 3:
CCM Overview
All modules installed in an OCM node communicate with the Common Control Module (CCM).
The CCM in turn communicates with the TMS network controller or OCM Controller and accepts
and stores downloaded software. The CCM also provides the multiplexer clocking. The CCM stores
all downloaded OCM software and configuration information, and controls the configuration on all
other modules in the node. The CCM module provides:
•
An LSI System Communications Manager (SCM) that controls all supervisory
communications to other modules and Status/Alarms information.
•
Self test on power-up.
•
A Maintenance Console port for use with a local terminal to validate status and perform local
diagnostics. (Refer to GDC 036R611-000.)
•
Control of diagnostics when commanded by the TMS Controller.
The Common Control Module with expanded memory (CCM-10) is used by the OCM-1000 and
OCM-2000, and can support future releases of both systems. Table 3-2 through Table 3-5 list the
technical characteristics and pinouts.
CCM Model
CCM-4
CCM-5
CCM-6
CCM-7
CCM-10
Note
Previous version of the CCM (CCM-4, CCM-5, CCM-6, CCM-7) have limited support and availability. The
CCM-4 and CCM-5 cannot support later releases of the OCM systems.
036R340-000
Issue 16
Common Control Module
GDC Part No.
Front Panel Label
036M400-004
COMM CTRL
036M400-005
PT-PT COMM CRTL
036M400-006
COMM CTRL+
036M400-007
PT-PT COMM
CRTL+
036M404-001
CCM10
Office Connunications Manager OCM-1000/OCM-2000
Installation & Operation
Expanded Memory Used with
NO
OCM-2000
NO
OCM-1000
YES
OCM-2000
YES
OCM-1000
YES
OCM-1000
OCM-2000
3-1
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