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OMR-6520 2-1
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