3pcs RS422 to TTL Transfers Module Bidirectional Signals Full Duplex 422 to Microcontroller MAX490 TTL Converter Module

Manual Click here to openDescription RS422 interface two way communication A B Y Z ultra long transmission 1000 meters The module has 15KV ESD protection Add 10 ohm current limiting overcurrent protection resistor to the board The module comes with TVS diodes Anti lightning anti spike voltage The module has 120 ohm terminal resistance it can reduce long distance communication echo interference effectively With power indicator and data transceiver indicator Easy to watch the Data status The module TTL side uses 5V DC power supply RXD TXD compatible 5V logic signal The module uses high quality MAX490 chip stability and communication is extremely high up to 2 5MBPS Size approx 50 x 27mm Package Included 3 x RS422 to TTL Transfers Module