The model of the traffic signal consists of a functional classification code, a mask specification, a light source type code, and a production unit's own code, namely the mouth-mouth-mouth four-part method.
The first part of the function code: motor vehicle signal lamp is JD; non-motor vehicle signal lamp is FJ; left-turn non-motor vehicle signal lamp is FJ/Z; crosswalk signal lamp is RX; lane indication signal lamp is CD; direction indication signal lamp is FX; flash warning signal lamp is SG; crossing signal light is TL; turn signal light is DT.
Note: The model of solar power supply signal is added with S before the function code, such as SJD300-3-XYZ
The second part of the mask specifications: 200; 300; 400.
The third part of the light source type code: 1 is an incandescent light source; 2 is a low-pressure halogen tungsten light source; 3 is a light emitting diode (led) light source; 4 is other light sources.
The fourth part is the production unit's custom code Note: This article is from sinowatcher.cn
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