# ACS X300 # Connection fail # Synchronization
1. Installation case
- Installed access control system inside a large-sized business building
2. Symptom
- Frequent connection fail, system stops when synchronizing the controller and the system
3. Cause
- Confusion of the controller switch direction, communication speed setting error
. Up↑ : switch off, Down ↓ : switch on
[#6, 7 DIP switch off : Not recommended]
4. Measures
- Apply recommended WACS setting
value, and be careful for DIP switch
‘ON’ direction
. Baud rate : 38,400bps
- Refer to the product User manual
www.hanwhavision.com (Website – Search product – Download – User manual)
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