Gasboy CFN Series Diagnostic Manual - Manual (Page 401)

CFN Islander
12/26/02 13-33
ISLAND CARD READER 2 CPU PCB (C05857)
The Island Card Reader 2 CPU PCB controls the reader terminal functions of the Islander. 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
•
monitors the datakey receptacle(s)
•
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 (always enabled)
•
reads Track 1 and Track 2 mag data
•
can also interface to a dual line display
Layout
See section 4 of this manual for a detailed view, LED indicators functions, switch and jumper
settings, and connector pinouts for this board.