The brand Roco offers a Z21 digital decoder under reference 10837.
Additional features of the module under reference 10837,
The Z21 digital module is inuniversal DCC switching, allowing several complex light signals to be managed at the same time.
Management of the number of light signals, can vary according to the complexity of the signal (varying from 2 to 4):
2 signals: 8 outputs can be used for each signal.
3 signals: 1 signal with 8 outputs can be used. As well as 2 additional signals with 4 outputs can be used.
4 signals: 4 outputs can be used for each signal.
Multiple functions can be added and configured.
Compatible with the RailCom module.
Can be updated to add various functionalities, and ensure smooth operation of the system.