What is the MINIMUM lighting requirement (or telecommunications spaces?

50 lux (4.6 toot-candles) of lighting in the horizontal plane and 20 lux (1.9 fool-candles) of lighting in the vertical plane measured al at 1 meter (3.28 feet) above the finished floor

200 lux (18 6 fool-candles) of lighting In the horizontal plane and 500 lux (46 foot-candles) of lighting In the vertical plane measured at at 1 meter (3.28 feet) above the finished floor

500 lux (46 foot-candles) of lighting in the horizontal plane and 200 lux (18 6 foot-candles) of lighting in the vertical plane measured at at 1 meter (3 28 feet) above the finished floor

500 lux (46 foot-candles) of lighting in the horizontal plane and 500 lux (46 foot-candles) of lighting in the vertical plane measured at at 1 meter (3 28 feet) above the finished floor