RS422 interface, bidirectional communication. A B Y Z remote transmission of 1000 meters
This module has 15KV ESD protection.
A 100 ohm current limiting protection resistor has been added to the board.
This module has a TVS diode. Lightning protection and peak voltage protection.
This module has a 120 ohm terminating resistor, which can effectively reduce remote communication echo interference.
Power indicator light and data transceiver indicator light. The state of the data is accessible.
The TTL side of the module adopts a 5v DC power supply RXD TXD compatible with 5v logic signals.
This module uses a MAX490 chip, with a maximum of 2.5MBPS.
Module size: 5.0cm * 2.7cm
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