For DCC operation remove the DNDP and replace with a decoder. Lets you run locos as DC or DCC.
Heljan 19850002 21 Pin PCB With Dummy Plug OO Gauge
Heljan 19850003 OO Gauge 8 Pin PCB with Dummy Plug
Plug for ECOS, Lokprogrammer and ESU boards DCC 2-WAY CONNECTOR PLUG
OO9/009 Dummy Chassis for KATO 11-109 including wheels HOe Loco Locomotive Kit
NCE power plug for PowerCab connection board (PCP)
2 pin terminal plug for Dynamis, Lokprogrammer and ESU Ecos DCC
