This OID reports the total number of cabinets, up to four, that make up this server complex, returning zero if the value cannot be determined. An admin uses this count to confirm the expected physical footprint of a complex, comparing it against cpqSeCabinetUnitIndex entries to ensure every cabinet is actually being reported. For example, a complex reporting a total of 3 cabinets but only 2 distinct cabinet index entries would alert the admin that one cabinet is not being detected or reported correctly.