Module Description: 1, RS422 interface, two-way communication. A B Y Z ultra-long transmission 1000 meters. 2, the module has 15KV ESD protection. 3, increase the board 10 ohm current limiting overcurrent protection resistor. 4, the module with TVS diode. Anti-lightning, anti-spike voltage. 5, the module has 120 ohm termination resistance, can effectively reduce long-distance communication echo interference. 6, a power indicator and data transceiver indicator. Data status panoramic view. 7, the module TTL side using 5v DC power supply RXD TXD compatible 5V logic signal. 8, The module uses high-quality MAX490 chip, stability and communication speed is extremely high, up to 2.5MBPS. 9, the module size: 5.0cm * 2.7cm. Package Included: 1 * RS422 Mutual transfer TTL bi-directional signal module If you for any reason are not happy with any product supplied , please do not hesitate to contact us and we will do our best to solve your problem .

The module uses high-quality MAX490 chip, stability and communication speed is extremely high, up to 2.5MBPS. A power indicator and data transceiver indicator. Data status panoramic view. The module TTL side uses 5V DC power supply RXD TXD compatible 5V logic signal. The module has 120 ohm terminating resistance, can reduce long-distance communication echo interference effectively. The module has 15KV ESD protection. Add 10 ohm overcurrent protection resistor to the board. The module comes with TVS diodes. Anti-lightning, anti-spike voltage. RS422 interface, two-way communication. A B Y Z ultra-long transmission 1000 meters.