Installation Guide

Troubleshooting
LEGACY WIRING
ACU LEDS
READER LED
PROVISIONING THE ACU
RESETTING THE ACU
LEGACY WIRING
Sometimes legacy wiring (unshielded and straight through, rather than shielded twisted pair, often
22-6) results in slower connections and dropped packets between the Openpath Reader and Smart
Hub. To remedy this, you can switch GND and VIN with +B and -A connections on the ACU and
readers to ensure the data pair (+B and -A) are using the alternate pair of legacy wires.
ACU LEDS
The Openpath ACU has several LEDs that indicate the following:
POWER LEDs indicate that the ACU is connected to power
Version 1.5
©
Openpath 2019
Page 14