MSS Accessories

Looking for an easy way to add Automatic Block Signaling (ABS) to your layout?  Involved in Free-Mo or another modular group and want to add signals to your module?  The Modular Signal System (MSS) is the answer.  Defined as a plug-and-play signal system, MSS allows you to add realistic signaling with no programming required!  Our cost-effective MSS modules come complete with everything you need: block detectors (DCC and optical), pre-programmed control logic, LED signal drivers, and a rugged and reliable MSS bus interface.


Modular Signaling System Debugger

Modular Signaling System Debugger

As a debugger for the Modular Signal System, the MSS-DEBUG monitors signals on the occupancy bus as ..

$25.00

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