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- The Host should ACK every frame from the Module that is not an ACK frame or One of the Exception above.
- After the Host sends a frame to the Module, it should wait for an ACK or Response from the Module before proceeding with sending another frame.
- If the Host does not receive an ACK or Response from the Module within expected timeout periods (i.e. up to 15 seconds for a ZCL command that goes out over the network), it should retry.
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