HALJIA RS422 Mutual Transfer TTL Bi directional Signal Module Full duplex 422 Single chip Microcomputer MAX490
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RS422 interface, two-way communication. A B Y Z ultra-long transmission 1000 meters. 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. The module has 120 ohm terminating resistance, can reduce long-distance communication echo interference effectively. 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 uses high-quality MAX490 chip, stability and communication speed is extremely high, up to 2.5MBPS.
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Description
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RS422 interface, two-way communication. A B Y Z ultra-long transmission 1000 meters. 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. The module has 120 ohm terminating resistance, can reduce long-distance communication echo interference effectively. 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 uses high-quality MAX490 chip, stability and communication speed is extremely high, up to 2.5MBPS.
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