The QuEST Non-vital 64 input controller (NV6400) is designed to provide a serial-to- discrete non-vital input interface for industry standard railway interlocking controllers. With 64 inputs, RS-232, RS- 485, Current Loop, Ethernet, and multiple communication protocols, the NV6400 is the perfect cost-effective non-vital input solution for any railway signaling application that uses industry standard interlocking controllers. Through its Ethernet port, the NV6400 provides expansion up to 256 inputs when using a single serial interface to the interlocking controller.

QuEST Part Number (QPN): 800-200309-1010