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Rapidport Installation Guide (90000665 Rev. B) – Page 4

Interpreting the Status Lights

Interpreting the System Status Light

Red This light signifies a loss of USB communication with the host. If the loss is due to unplugging the unit,

when it is reconnected the light will blink red a few moments before turning green. Otherwise, the light

indicates a problem with the drivers, which may need to be reinstalled. The red light will also blink during

installation until the installation is complete.

Amber This light signifies serial port activity on the Rapidport. The yellow light may also flash briefly during

installation.

Green This light indicates that the serial ports have been successfully set up and the Rapidport is operating

normally.

Interpreting the HUB Port Status Light

Green When on, this light indicates that the downstream connection has power.

Interpreting the Modem Status Lights

RD Receive Data. This light flashes when data is sent to your computer from the modem. At high speeds light

may appear continuously on.

TD Transmit Data. This light flashes whenever data or commands are sent to the modem from your computer.

CD Carrier Detect. This light indicates that the Data Carrier Detect (DCD) signal from the modem to your

computer is on.

TR Terminal Ready. This light indicates that your computer is ready to send or receive data. It also shows the

Data Terminal Ready (DTR) signal status from your computer.

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