232TO485 CONVERTER RS232 TO RS485

To RS-232 serial port’s TXD and TXD signals into balanced
two lines of half duplex RS-485 signals
No external power supply, can be directly from
the RS232 port of the 3 foot breaking point,
from 7 feet at the same time send a request (RTS),
4-pin data terminal ready (DTR) to HEXIN-III auxiliary power supply,
automatic flow control so that you do not have to re-setup,
hardware and installation is very simple