MANUFACTURER DOCUMENTS

Datasheets explain the product design and rated capabilities. Match every document to the exact configuration and revision. A datasheet is not proof of an individual unit’s condition.

SELLER RECORDS

Ask for serial numbers and hardware history, together with test records where available. Read the test method and date. A statement that a unit works is less useful than a record showing what was tested.

WHAT CARDINAL CHECKS

Cardinal reviews the documents supplied by the seller. We do not describe a unit as tested by Cardinal. Missing records and unresolved questions should be identified in the offer.

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