Description :
Interface Machine Automation 9 PIN RS-232 to RS-485 Bi-directional Converter
Specifications :
RS-232 to RS-485 turn, able to convert the RS-232 serial port TXD and RXD signals into two balanced half-duplex RS-485 signals. No external power supply directly from the 3-pin RS-232 port of stealing, while the 7-pin request to send (RTS), 4-pin Data Terminal Ready (DTR) to RS-232 to RS-485 auxiliary power supply, automatic flow control so you do not reset,hardware and software installation is very simple to use.
Package Included :
1 x RS232 To RS485 Bi-directional Converter
Details pictures :