Black Box IC521A-M

<b>Description</b>
Async RS-232 2-Wire RS-485 Interface Line Driver

<b>Quick Facts</b>
Operates over 2-wire half-duplex asynchronous point-to-point.
Data rates up to 115.2Kbps.
Up to 4000 feet range.

<b>Further Details</b>
- Passes transmit and receive data only.
- No AC or batteries needed.
- Operates with or without echo.
- No RS-232 control signal is needed to turn around the line.
- Silicon Avalanche Diodes provide 600 watts per wire of protection against harmful data line transient surges.
- The RS-232 DB25 is fixed DCE (no switch for DTE/DCE).

This is a high-speed 2-wire only point-to-point line driver. It gets power from the DTE device to run or from an add on external power supply (PS576).