The 232CI optically isolates and protects the transmit and receive lines of your RS-232 port from ground loops and power surges up to 2500V RMS for one minute.
The data stream is converted from an electrical pulse to an optical beam, then back to an electrical pulse.
Because there is no electrical connection between the DTE and DCE sides of the isolator, the 232CI, unlike a surge suppressor, will not pass large sustained power surges through to your equipment.
This isolator will protect both the transmit and receive lines at baud rates up to 115.2kbps without the need of an external power supply.
Power is derived through the transmit and handshake lines.
Special circuitry allows the 232CI to be powered regardless of the state of the handshake lines. At least one handshake line must be connected on each side of the isolator.
Note that handshake line signals are not passed through the isolator.
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