描述

Brand: STEP

Classification:

SM.02/H standard protocol

SM.02/H SM.02/H special protocol

SM.02/H-A standard protocol (new national standard)

SM.02/H-A special protocol (new national standard)

SM.02/H-C


Decoration and construction content: Installation works

SM-02-H is the old model, SM-02-H-A is compatible with SM-02-H in the new national standard, the old JP8 is a 2-position plug, and the new national standard JP8 is a 6-position plug. If the new national standard is used to replace the old one, it is redundant The 4-bit outlet can be left unplugged.