Setting Up Putty for USB Connection
Download and install Putty (http://www.putty.org/).
Connect to PuTTY using the correct USB COM port at a speed of 115200.
Click "Open" and then his the "Enter" key to start a new line
Enter login credentials. This should be the User Name and Password currently configured in the RediGate, as shown in the "System" object of the ACE configuration
When you have successfully connected, you should see the following screen: