2.OMR-6520
2.1.Overview
What is OMR-6520 ?
OMR-6520 is a RS-232 to RS-422/RS-485 converter, it converts the RS-232 signal to the RS-422/RS-485 signals. The OMR-6520 can be considered as an extension RS-422/RS-485 serial port for the host computer. A standard 9-pin D-type connector is used to connect the host computer and the OMR-6520. Hence, the OMR-6520 can connect with all kinds the PC, IPC or Notebook PC, which install a standard RS-232 interface.
Features of OMR-6520
∙RS-422/RS-485 transceiver
∙Differential 2-wire half-duplex RS-485
∙Easily setup and installation
∙Auto direction flow control
∙Maximum 128 OMR on a bus without using repeaters
∙Maximum 256 addressable OMR modules
∙High transfer speed
∙High isolation voltage
∙Lower power consumption
OMR-6520 2-1