... and cable management more clearly after constructionThe entire structure plastic panel + steel base plate to guarantee the mechanical strengthPerfected and clear ... spraying process on the surface6, Front cover: PC+ABS,Black7, Back cover fire-retardant PC8, Sliding block flame retardant PBT9, Storage ... ~60°C11, Operating temperature -10°C~60°C UTP Telephone Panel, 25 Ports