C2 + Two M1s

Some C2 devices can be connected to two M1 Tibbits simultaneously. The most obvious example is "C" Tibbit #20 (nine terminal blocks). This is a very generic Tibbit that mixes well with various "M" devices. For example, "M" Tibbits #03-1 (two relays) can be connected to the outside world through the terminal block connector: