Replaceable units
Each system consists of several replaceable units, such as cables, SFP transceivers,
canisters, power supply units, batteries, drives, and enclosure chassis. The part numbers vary
depending on the model of the control enclosures or expansion
enclosures .
Control enclosure replaceable units Most replaceable parts of IBM® Storage FlashSystem 5300 are customer-replaceable units (CRUs), unless they have an extended service agreement, that is expert care. The parts that have an extended service agreement are field-replaceable units (FRUs) and are replaced by IBM trained service technicians. 2U expansion enclosure replaceable units You might have to replace a part on a 2U expansion enclosure. Unless otherwise noted, all parts are customer-replaceable units (CRUs). If a part is described as a field replaceable unit (FRU), it is only replaceable by IBM trained service technicians. High density expansion enclosure replaceable units On 5U expansion enclosures, all replaceable parts are customer-replaceable units (CRUs).