Gasboy CFN Series Diagnostic Manual - Manual (Page 126)

GASBOY CFN Series
4-10 03/19/04
ISLAND CARD READER CPU PCB (C05375)
The island card reader CPU PCB is the heart of the GASBOY ICR. This CPU PCB:
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processes all ICR data
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controls data sent to the LCD display
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controls the beeper
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monitors data from the keypad
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monitors the intrusion switch
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monitors the mag or optical reader
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sends and receives the RS-485 data to and from the site controller
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provides diagnostic LEDs to monitor operation of the RS-485 lines
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provides a diagnostic switch for testing of various unit functions
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allows for DES encryption of data with optional hardware
Layout
DES Encryption Option - ICR