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RS-485 Wiring using the ADC-ACC1-17 Door Controller
UP TO EIGHT TOTAL EXPANSION MODULES MAY
BE WIRED. THE LAST EXPANSION MODULE ON THE
ADC ACX2 MODULES AND J4 INSTALLED FOR
USE TWISTED PAIR
24 AWG, 120 OHM
IMPEDANCE
CABLE WITH DRAIN AND
SHIELD WIRES. 2,000 FT.
(609 M) MAXIMUM
TOTAL LENGTH.
For ease of install, daisy chain expansion modules together. Wire each
expansion module to the next module instead of wiring directly back to
the controller.
4
|
Single Reader Expansion Module
BUS MUST HAVE JUMPER J5 INSTALLED FOR
ADC ACX1 MODULES.
GND
TR-
TR+
ADC-ACC1-17
ADC-ACX1
TR+
OR
TR-
ADC-ACX2
GND
ADC-ACX1
TR+
OR
TR-
GND
ADC-ACX2
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