The main function of the TD312P485 / TD512P485 series is to convert a logic level signal into isolatedRS485 diferential level signals. The special integrated lC technology of the RS485 transceiverachieves isolation between the power supply and the signal lines isolation, does RS485communication and protects the bus all in one and the same module. The product's isolated powersupply withstands a test voltage of up to 2500VDC. Products can achieve function of RS485 two-portnetwork connection. Also, they can easily be embedded in the user's end equipment, to achieve fullyfunctionalRS485 network connections