Island card reader cpu pcb (c05375), Layout, Des encryption option - icr – Gasboy CFN Series Diagnostic Manual User 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:
•
processes all ICR data
•
controls data sent to the LCD display
•
controls the beeper
•
monitors data from the keypad
•
monitors the intrusion switch
•
monitors the mag or optical reader
•
sends and receives the RS-485 data to and from the site controller
•
provides diagnostic LEDs to monitor operation of the RS-485 lines
•
provides a diagnostic switch for testing of various unit functions
•
allows for DES encryption of data with optional hardware
Layout
DES Encryption Option - ICR
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