Quantum QR5 Installation And Programming Manual - page 11
Manual is about: telephone entry system
of
97
INSTALLATION AND PROGRAMMING MAN
file:///C|/PACH%20&%20COMPANY/QUANTUM%20MANUAL%202009/Quantum%20QR5-1/Quantum%20QR5.htm[5/6/2010 3:12:40 PM]
AUXILIARY INPUT, DOOR SENSOR, RS-485 AND WIEGAND DIAGRAM
Wiring requirements:
See manufacturers specification
RS-485 requires 2-conductors category 5 or 2-conductors 18 gauge stranded