The 21 MTC adapter board 2 is also suitable for digitizing a loco without interface, or wish to use more than four function outputs on your decoder.
On the output side, the adapter offers soldered cables (appr. 20cm length) . There are amplifiers (appr. 250mA each) for function AUX3 and AUX4 so that ESU decoders can have up to 6 available physical functions.
