MWE232-A Type RS-232 Serial Port Isolation ProtectorDetailed product description：

The MWE232-A RS-232 serial port isolation protector achieves full signal passive isolation protection for RS-232, isolates all serial port signals, uses serial port power theft technology, does not require external power supply, and can be equipped with hot swapping.
Standard DB9 hole/DB9 needle structure
Up to 95% serial port power theft technology, no external power supply required
Isolate all serial signals of TX, RX, CTS, RTS, DTR, DSR, GND
Signal isolation, transparent transmission, adaptive baud rate, no need to modify user protocol
Built in 600W/ms lightning protection and 15KV electrostatic protection
Avoid damage to equipment caused by circuit voltage, surges, induced lightning strikes, static electricity, and hot plugging

MWE232-A RS-232 serial port isolation protector industrial grade design, optimized for imported components, all surface mount technology