Gasboy CFN Series Diagnostic Manual - Manual (Page 127)

Island Card Reader
03/19/04 4-11
ISLAND CARD READER 2 CPU PCB (C05857)
The Island Card Reader 2 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 reader: mag, optical, or datakey (Islander or Islander gate only)
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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 (always enabled)
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reads Track 1 and Track 2 mag data
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has dual line display
Layout