TM-9-1200-215-34-P
AUTOMATIC FIRE CONTROL SYSTEM (AFCS)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
FEBRUARY 1999
TM-9-1200-215-34-P - Page 257 of 266
TM 9–1200–215–34&P
GLOSSARY
Backplane
Provides connectors for mating with the CCAs and distributes
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signals and power among the CCAs and connections going to
the EMI/EMP filter component.
Cable Assembly
Connects the Circuit Card Assembly receptacles to the J1 and
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J2 receptacles
Central Processing Unit Circuit Card
Assembly (CCA)
Performs all computations of projectile ballistics.
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Connector Descriptions
Connectors J1, J5, and J8 are the 28 Vdc power input ports to
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the ACU.
Display Panel
An electro–optical assembly consisting of a 4 x 8 inch thin–film
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electroluminescent panel, control circuitry and a power supply.
DRU Controller
Provides control of the interface with the navigation processor.
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Electrical Connector
A standard 41 pin cylindrical connector marked J1.
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EMI Filter
Prevents external power and noise from entering the system.
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Expanded Memory Board
Stores program instructions and data.
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Loopback Function
Allows the looping of transmitted signals to the receiver.
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LRU Interface
Provides the operational interface with the VMS Modem CCA
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and its cable
Memory Board
Stores various relevant data, including operating instructions,
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test instructions, variable values, system constants, calculations
results and target data.
Nuclear Event Detector
Conducts current when exposed to gamma radiation.
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Power Supply Module
Converts conditioned vehicle power to local system voltage
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levels.
Power–up Relays
Provides emergency output power.
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Servo Controller Interface CCA
Supplies operating current to azimuth and elevation
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electrohydraulic servo valves.
Provides a link between the CPU
module and the servo controller module.
Solenoid Relay
Provides power to the Hydraulic Solenoid Valve and the Bypass
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Valve.
Status Monitor Circuit
Monitors the vehicle battery and back–up battery voltages and
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generates the vehicle battery status and back–up battery status.
Switch Panel
An electro–mechanical assembly which contains 23 push button
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switches, three toggle switches and two indicator lights.
TCIM CCA
Allows direct connection between the ACU single–board
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computer CCA and the SINCGARS.
Test Interface
The J2 connector provides the VMS Modem CCA test interface.
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Trainer Controller
Provides control of the interface with an external training device.
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Transient Voltage Suppressors
Cuts off voltage spikes to less than 100 volts.
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Glossary–1/(Glossary–2
blank)
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