The ideology behind “legacy” systems should be held with great importance given that security systems should be able to withstand the ever changing environment that it operates in. The terminology behind a “Legacy” system is described as a “vintage”  security system that has been in operation for over 10 years. Thus, it is key that the respective security system still adapts in order to meet the needs of a growing facility.

These key concepts were the talking points made by Charles Schnabolk in his text “Engineering Practices & Security Technology”. Schnabolk, who is a security pioneer, master electrician and engineer in the field, delves into the potential risks associated with an aging security system and provides alternatives in which to combat these problems during implementation. The excerpt below provides an in depth look into the realm of “legacy” systems.

“An effective access control security system possesses the capability to expand in the future. Its installer should be a factory trained and authorized to maintain the system. Most of the major manufacturers have a policy to support and protect a limited number of local installation firms, particularly if they have earned a good reputation from the end-users and were the firms that sold and installed the original systems. The facility will have to purchase additional components for expansion from the same installation firm unless a letter of complaint from the security director or engineering department is received by the manufacturer, requesting a new installation firm due to a lack of service and maintenance from the original installer. A letter like that will never happen.”

-Charles Schnabolk, Engineering Practices & Security Technology

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