3820 UG.book - Finn-ID

Connecting the Base with Serial WedgeThe 2020-5B uses TTL signal levels to wedge into an RS-232 serial network.Use only 2020-5B serial wedge cables to prevent damage to the base. Refer toConnecting the Base with RS-232 Serial Port on page 2-8 to set the baud rateand communications protocol.1. Turn off power to the computer.2. Disconnect the existing serial cable from the computer.3. Connect the appropriate interface cable to the base.Note: For the base to work properly, you must have the correct cable for yourtype of computer.Other device5464. Plug the serial connector into the serial port on your computer. Tighten thetwo screws to secure the connector to the port.5. Plug the other serial connector into the other device connection and tightenthe two screws.6. Plug the power supply barrel connector to the base, and plug the powersupply into the AC source.7. Once the base has been fully connected, power up the computer.2020/3820 User’s Guide 1 - 27