Port-powered Interface Converter

Key Specifications/Special Features of Port-Powered Interface Converter:

Can convert a 3 wires (RX, TX, GND) RS-232 serial port signal to a semi-duplex RS-485 signal
It use technology of stealing current from serial port, no need external power supply
Main function:
Port-powered opto-isolation between the RS-232 and RS-485/422 signal
Particular protecting circuit for the serial port, hot-swap
Automatically transmit with no delay, no need for CTS flow control
Capability parameters:
Power supply: technology of stealing current from serial port, no need for external power supply
Working current: <10mA
Baud rate: 300bps to 115.2Kbps
Communication distance: RS-485 1.5km (9.6Kbps)
Maximum node: 128 nodes
Isolation protection: 15kV static protecting and 600W/ms lightning protecting
Weight: 36g (with the terminal block)
Dimension: 87 x 33 x 17mm (with the terminal block)
Working temperature: -40a to 85a