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Field Service Manual
Glossary

Installed Base (IB)

Installed Base (IB) is equipment installed at customer site. Also referred to as “As Built” or “As Installed.” 

In the case of organizations that sell directly or resell equipment, situations may arise where the original organization does not know where the equipment actually is installed, nor the modifications or add-ons that have been made, nor service history. This can impact service on these machines.