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Black Box - ME890A-R2
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Async RS232 Extender over CATx DB9 w/Control Signals to TB

Model: ME890A-R2

  • Signals include RD, TD, RTS, CTS, GND, plus DTR (or DSR) asserted.
  • Local and remote units can be up to 4000 feet (1250 m) apart.
  • Fixed DCE local and DTE remote
  • Operates point-to-point in full-duplex mode
  • Provides 1000-VDC isolation between RS-232 interface and RS-485 interface
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  • Use long-distance CATx links to communicate with serial devices.
  • Control presentations remotely.
  • Transfer data between computers.
  • Ideal for a wide variety of applications.
  • Optical isolated.
  • Maximum speed of 250 K.
  • Easy installation. The driver provides full-duplex transmission and hardware handshake signals. There's no need for setup or configuration.

  • These CATx Line Drivers enable the user to place a receiving device up to 4000 feet away from the sending device. The local unit has a DB9 female connector and is configured as a DCE device; the remote unit has a DB9 male connector and is configured as a DTE device. This allows the local/remote pair to function as a long extension cable between two RS-232 devices. There are no user-configurable settings. These units pass TXD, RXD, RTS, and CTS signals to allow application to use hardware handshake signals if necessary.
    • Signals include RD, TD, RTS, CTS, GND, plus DTR (or DSR) asserted.
    • Local and remote units can be up to 4000 feet (1250 m) apart.
    • Fixed DCE local and DTE remote
    • Operates point-to-point in full-duplex mode
    • Provides 1000-VDC isolation between RS-232 interface and RS-485 interface
    • Requires one external power supply (included) at each end.
    • Supports data pair plus one control pair, and asserts one additional control line
     
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