Converter between USB and RS-485 serial transmission interfacesPowered directly from the USB socket of the PC - external power source is not requiredThe system can be used for bidirectional transmission (half duplex) at a speed of 0 ... 115.2 Kb/s
The interface provides automatic control of the direction of transmission on RS-485 linesBasically, the interface has been designed and tested to communicate with RACS (Roger) access control system devices, but it can also be used in other situations where there is a need to convert USB-RS485 signals