Telecom Equipment and Personel must be protected
A good protection is a must to supply network high availability figures.

Electrical Overvoltage and Surge Protection

Fall Protection system

Gas detection units

Constant supervision of gases and flammable or toxic fumes like Hydrogen, Carbon Monoxide and Dioxide.
Constant supervision of the risk of oxygen deficiency.

Water and Humidity Detection

Fire Suppression Systems

Enclosures Protection