Automatic bi-directional conversion: automatically convert RS232 and RS485 signals, automatic direction recognition, no need to manually control the send/receive, simple operation ^^
Industrial-grade chip program: SP3232 SP3485 chip program, support up to 2Mbps baud rate, stable and reliable transmission ^^
Multi-protection design: with DC power isolator and digital isolation chip, RS232 and RS485 side overcurrent with surge protection, RS485 side additional lightning protection ^^
Interface and indicator: DB9 (RS232) + 5.08 mm terminal (RS485), 2 LEDs real-time display of data reception status, reserved 120 termination resistor access pads ^^
Rugged housing: aluminum alloy oxidized frosted shell, 5V single power supply (RS485 requires external power supply), suitable for industrial scenarios