About the description of SmartLogger1000 and SmartLogger2000, which is incorrect? (Multiple Choice)

About the description of SmartLogger1000 and SmartLogger2000, which is incorrect? (Multiple Choice)
A . You can connect to SmartLogger via Bluetooth using SUN2000APP
B . The SmartLogger1000 supports up to 80 inverters, and the SmartLogger2000 supports up to 100 inverters.
C . Both SmartLogger1000 and SmartLogger2000 support PLC communication and optical fiber ring network
D . Both SmartL1000 and SmartLogger2000 can access third-party devices using the standard Modbus-RTU protocol.

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Answer: ABC