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Section 3 — Functional Description
The three processors do the following tasks:
Communications Processor 1:
■Sends status information to panel
■Controls modem port
■Controls diagnostic terminal port
The Head of State (HOS) Mezzanine Module
■Tracks switcher state information
■Controls Program, Preset, DSK operation
■Controls analog I/O configuration
■Communicates with panel
■Overall control of the system
M/E 1 Processor Mezzanine Module
■Controls M/E 1 operations
■Communicates with panel
The function, inputs, outputs and processor used on the Control Processor
1 Module are given below.
a few of the input signals:
■ Vertical sync from the Sync Generator Module
■Clock from the Sync Generator Module
■4X3/16X9 signal from the Sync Generator Module
■50Hz/60Hz from the Sync Generator Module
■Power supply voltages
Output signals:
■Address and data buses to all modules
■Reset signal to all the modules
■Module Select to all modules
■Two address and data buses between Control Module 1, Control
Module 2, and the communications Carrier Module