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Some of the controllers on the RS-485 LAN cannot communicate., Integrated Security Solutions, Access Control System, Car Parking, Biometric, Fingerprint, Proximity Reader, Desfire Smart Card, Integration, Turnstile, Swing Gate, Drop bolt, Magnetic Lock; Keyking Group, Israel Technology

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Some of the controllers on the RS-485 LAN cannot communicate.

Possible Cause:
1. Duplicate addresses
2. The data in the RAM of the controller is corrupted.
3. RS485+ and RS485- reversed

Remedy:
1. Make sure controllers have unique addresses
2. Download the configuration again by using the software.
3. Use the correct connections

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Some of the controllers on the RS-485 LAN cannot communicate.

Possible Cause:1. Duplicate addresses 2. The data in the RAM of the controller is corrupted. 3. RS485+ and RS485- reversed

Remedy:1. Make sure controllers have unique addresses 2. Download the configuration again by using the software. 3. Use the correct connections

Possible Cause:
1. Duplicate addresses
2. The data in the RAM of the controller is corrupted.
3. RS485+ and RS485- reversed

Remedy:
1. Make sure controllers have unique addresses
2. Download the configuration again by using the software.
3. Use the correct connections