1 - 6 2020/4820/4820 i User’s GuideConnecting the Base with RS-232 Serial Port1. Turn off power to the terminal/computer.2. Connect the appropriate interface cable to the base. Make sure the cablesare secured in the wireways in the bottom of the base and that the base sitsflat on a horizontal surface.Note: For the base to work properly, you must have the correct cable for yourtype of terminal/computer.3. Plug the serial connector into the serial port on your computer. Tighten thetwo screws to secure the connector to the port.4. Once the image scanner has been fully connected, power up the computer.Connecting the Base with RS-232 WedgeThe 2020 uses TTL signal levels to wedge into an RS-232 serial network. Useonly 2020 serial wedge cables to prevent damage to the base. Refer to RS-232Baud Rate on page 2-15 to set the baud rate and communications protocol.1. Turn off power to the computer.2. Disconnect the existing serial cable from the computer.
