Dahua ASA2212A User Manual

5 FAQ
Step 1. Invalid card, cannot pass attendance.
A: Confirm if user of the card is added to attendance list.
Step 2. Bell cannot work.
A: Confirm wiring is normal, meantime make sure relay mode has selected bell.
Step 3. I cannot update device via USB.
A: Check if USB is recognized, meantime name sure update file is named
“update.bin”.

Dahua ASA2212A Specifications

General

Brand	Dahua
Model	ASA2212A
Category	IP Access Controllers
Language	English