... structure, Widely used in Network Communication, PDS wiring System. Wall Mount Cabinet:Features:Simple structure, easy operating and exquisite designRemovable ... maintain, lock and cooling fan optionalAluminum mounting rails make firm structureStanding or wall mounting installationCable entry on both of top cover ... -WM*5412540*400*57012UBX-WM*5512540*500*57012U Wall Mount Cabinet,indoor/outdoor cabinet