PAC 212 Install Manual page 3

Legend for Wiring Diagram
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PAC 212 Access Controller Install Guide
RS-485 connection
Dipswitch for Reader voltage selector (12/24V or 5V, default = 12/24V)
RS-485 status LEDs
RS-232 status LEDs
Serial Number and Barcode
Door 1 LEDs
Reader
SIGA/SIGB
0V (tamper/DC - door contact)
0V (sounder)
Fail-Safe Lock
Request to Exit
Door 2 LEDs
One-Touch™ button
System status LED
Power Access
Battery Backup
DO NOT USE
12V/24V Power Supply Unit
(Battery) +
(Battery) -
USB
The USB pen must be compatible and FAT16 or FAT32 format (see TB224)
Future enhancement
Tamper Switch
LCD Display
Keypad
+V 1 Red
LED 2 Brown
3 White
4 Blue
5 Yellow
0V 6 Black
RTE 1 Blue
0V 2 Black
VIN 1 Orange
0V 2 White
MSTAT 3 Pink
4 Red
5 Black
EARTH 6 Green/Yellow
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