Rack mount sliding rails for FG-1000C/-DC FG-1200D FG-1500D/DC FG-3040B/-DC FG-3140B/-DC FG-3240C/-DC FG-3000D/-DC FG-3100D/-DC FG-3200D/-DC FG-3700D/-DC FG-3700DX FG-3810D/-DC and FG-3950B/-DC