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Everything in the data center must be seen clearly as it is a safety regulation to avoid any dangerous situation.
light is preferable to be measured by lux as lux equals lumen over the area so lux is more general than lumen.
there are three standards for lighting in the data centers: EN 12464-1, CIBSE, and DIN-5035.
most standards advise:
rooms: minimum 500 lux, recommended 600 lux. that is a bright light to avoid any possible mistakes.
corridors: minimum 200 lux, recommended 300 lux.
service area: minimum 150 lux, recommended 200 lux.
choose the type of fixture that protect the light bulb. the fixtures should be located at regular intervals, they must be in all aisles, and the back of the rack is more important than the front of the rack.
connect fluorescent light to the raw power (not the output of the ups) as it makes a lot of electronic distortion and may affect the IT equipment performance. in case of emergency and loss of raw power, the light is energized by the generator set.
emergency lights must be placed in a place that can be seen in the dark so they shouldn't be placed on the ceiling because the smoke will cover them. the recommended strength is 15 lux but 1 lux is acceptable in many standards like (BS5588/5266, BS/EN-50172, and BS/EN-1838).
the place of emergency lights will be in switchboards, UPS, standby generators, and cooling equipment. torch light's batteries must be checked and changed on a regular basis and glow sticks can be used also.
there are two types of emergency lights which are incandescent and fluorescent. also, there are two types of power supply systems which are standalone and centralized. each emergency light has its battery in the standalone that requires regular maintenance. but in the centralized system, there is a battery bank for all the emergency lights so it is easy to maintain.
light is preferable to be measured by lux as lux equals lumen over the area so lux is more general than lumen.
there are three standards for lighting in the data centers: EN 12464-1, CIBSE, and DIN-5035.
most standards advise:
rooms: minimum 500 lux, recommended 600 lux. that is a bright light to avoid any possible mistakes.
corridors: minimum 200 lux, recommended 300 lux.
service area: minimum 150 lux, recommended 200 lux.
choose the type of fixture that protect the light bulb. the fixtures should be located at regular intervals, they must be in all aisles, and the back of the rack is more important than the front of the rack.
connect fluorescent light to the raw power (not the output of the ups) as it makes a lot of electronic distortion and may affect the IT equipment performance. in case of emergency and loss of raw power, the light is energized by the generator set.
emergency lights must be placed in a place that can be seen in the dark so they shouldn't be placed on the ceiling because the smoke will cover them. the recommended strength is 15 lux but 1 lux is acceptable in many standards like (BS5588/5266, BS/EN-50172, and BS/EN-1838).
the place of emergency lights will be in switchboards, UPS, standby generators, and cooling equipment. torch light's batteries must be checked and changed on a regular basis and glow sticks can be used also.
there are two types of emergency lights which are incandescent and fluorescent. also, there are two types of power supply systems which are standalone and centralized. each emergency light has its battery in the standalone that requires regular maintenance. but in the centralized system, there is a battery bank for all the emergency lights so it is easy to maintain.
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