This document is a special design instruction letter from Hangzhou Tuya Information Technology Co., Ltd, concerning the TYCH01 USB adapter plate. Dated February 5, 2025, it is addressed to the Federal Communications Commission for authorization and evaluation purposes.
The letter details a specific design characteristic of the adapter plate's USB interface. It clarifies that the actual operation inside the USB interface utilizes RS485 communication protocol, rather than the standard D+ and D-signals typically associated with USB. This design choice renders the adapter plate incompatible with the electrical interface of computers or tablets, preventing direct connection.
For any inquiries or further clarification, Linyun LI from Hangzhou Tuya Information Technology Co., Ltd is the designated contact person. Contact information, including the company address, email, and telephone number, are provided for ease of communication.
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The letter details a specific design characteristic of the adapter plate's USB interface. It clarifies that the actual operation inside the USB interface utilizes RS485 communication protocol, rather than the standard D+ and D-signals typically associated with USB. This design choice renders the adapter plate incompatible with the electrical interface of computers or tablets, preventing direct connection.
For any inquiries or further clarification, Linyun LI from Hangzhou Tuya Information Technology Co., Ltd is the designated contact person. Contact information, including the company address, email, and telephone number, are provided for ease of communication.
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