Q: When multiple A20s are daisy-chained, the indicator of the second A20
turns yellow and does not function correctly.
A: Check if all A20 units' firmware versions are the same.
Q: Why do remote participants hear continuous distractions during meet-
ings?
A: Check if the conference room has any ultrasonic, infrared, or other sensors. If so, turn
them off and try again.
Q: When multiple A20s are connected with daisy chain technology, the
second one is not activated.
A: Check if the following two occurred:
1. The primary A20 is not connected to the power source;
2. The order of the network cable connections is incorrect. Refer to Chapter 2.1.2 for more
information.
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