19Install the decoder in a rackRemove therubber feet.z Remove the rubber feet (4 pcs.) on the bottom of theunit.x Install the rack mounting brackets (Option: Refer to thefollowing.) on both sides of the unit. Using the mountingscrews (4 pcs.) for the rack mounting brackets, fix themfirmly.1. When installing one unit:Model No.: WV-Q204/1S• Rack mounting bracket (Small) x 1• Rack mounting bracket (Large) x 1• Bracket mounting screws (M3 x 8: 6 pcs.)2. When installing two units:Model No.: WV-Q204/2S• Rack mounting bracket (Small) x 2• Joint bracket x 3• Bracket mounting screws (M3 x 8: 6 pcs.)• Bracket mounting screws(Flat head, M3 x 6: 12 pcs.)c Install the unit in the rack.• Using the rack mounting screws, fix them firmly.Important:• When operating the units, keep the temperature insidethe rack surely below 45 °C {113 °F}.• Mount the unit into the rack with a space equivalent toapprox. 1 unit (44 mm) or more to separate from otherdevices.• To prevent the unit from overheating, do not block theventilation openings or slots in the cover.• Be sure to keep the temperature inside the rack below30 °C {86 °F} when operating the units. Installing venti-lation fan(s) in the rack is recommended especiallywhen the rack is covered with front lids.Rack mounting bracket (Small)Rack mounting bracket (Large)Bracket mountingscrewsJoint bracketFlat head screwsFlat head screwsRack mountingbracket (Small)(Remove two screws at the rear side,and fix the brackets with bracketmounting screws (Flat head, M3 x 6).Rack mountingbracket (Small) Bracket mountingscrewsRack mounting screws