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Section 3 — Functional Description
Remote Aux Panel
Each of the Remote Aux Control Panels contains two printed circuit
modules. The Switch Module, which is different for each Remote Aux
system, and the CPU Module, which is identical in each system.
■068965 a one rack unit Remote Aux Switch Module
■068963 a two rack unit Remote Aux Switch Module
■068964 a three rack unit Remote Aux Switch Module
■068966 a Remote Aux CPU Module
The CPU module contains the back panel setup switches, switch decoders,
the communications interface, and the lamp and switch interface. The CPU
Module contains the power supply for both modules in the system. The
input +12 Volts uses a 2 Amp fuse, and a 5 Volt regulator. The +5 Volts
powers the processor module, and the +5 and +12 Volts power the Switch
Module.
The Switch Module contains the switch and lamp decoding circuitry.
Tally Expansion
The Tally Expansion frame contains a power supply sled with two
(redundant) Power supplies and one, two, or three Tally Modules.
■068932 Tally Module