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Overall System Control
LEDs: There is an LED for each microprocessor in the Model 2200. These
LEDs light to indicate correct operation of the microprocessor. The LED
labeled COMP lights to indicate that all of the installed processors are
operating correctly. All processors may not be installed. There are LEDs for
the +5.0V and –5.2V.
Reset Switch: Resets all of the processors in the Model 2200.
Programming switch: This switch enables the +12V necessary to program
flash memory. A yellow LED indicates this switch is in the program
position; a red LED indicates the flash memory is being programed.
Diagnostic Port connectors: two connectors for connecting a terminal to the
switcher for diagnostics.
Control Processor 2 Module (064806) (Slot A2)
The Control Processor 2 Module has two processors, one on the processor
module and the other on the mezzanine module. This module contains the
global RAM that all the processors use. This is the primary method used for
the various processors to communicate with each other.
LEDs: There are two LEDs on this module. One LED for +5.0 V and the
other for –5.2V.
The Control Processor 2 Module has two processors that have the
following tasks:
Communications Processor 2:
■ Controls GPI communications
■ Controls remote aux communications
■ Controls tally communications
■ Controls editor communications
M/E 2 Processor Mezzanine
■ Controls M/E 2 operations
■ Communicates with panel