Digital key dialing operation, digital tube display/fault code display prompt, can automatically encode command operation for floor room number/equipped with network controller, digital to analog signal conversion function, isolator interface provides RJ45 interface and P-line interface for easy use, with call indoor unit testing function for easy debugging.
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T201
Digital key dialing operation, digital tube display/fault code display prompt, can automatically encode command operation for floor room number/equipped with network controller, digital to analog signal conversion function, isolator interface provides RJ45 interface and P-line interface for easy use, with call indoor unit testing function for easy debugging
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