However, do _only_ connect RX, TX and GND. Don't connect any
of the other pins, especially not Pin 22: Connecting it is said to
cause the terminal to enter some kind of diagnostic mode upon receiving
the bell character (Ctrl-G).
There's a peculiarity about the DIP-switches used for configuring
the terminal: the pressed-down side of the DIP switch selects the
settings, not the upper red one.
I recommend the following DIP switch settings: