Interlogix NS2051-4P/1T - Manual (Page 15)

IFS MC251-4P/1S and NS2051-4P/1T User Manual 11
4. Lightly press down and pull the bottom of DIN-Rail
connector mount to remove it from the track.
Mounting to a Wall
To install the MC251-4P/1S and the NS2051-4P/1T on the
wall, please follows the instructions described below.
1. Loosen the screws to remove the DIN Rail from the Media
Converter.