This post is official DFX knowledge base content. Do not modify without approval.
Below is the official breakdown of the DFX serial number format, how to interpret it, and best practices for its use. The DFX serial number follows a 18-character alphanumeric structure: dfx serial number
def validate_dfx_serial(serial: str) -> bool: # Remove dashes, ensure length 18, check prefix raw = serial.replace("-", "") if not raw.startswith("DFX") or len(raw) != 18: return False # Extract checksum (last char) and run Luhn mod 10 # (Implementation simplified here) return True # Placeholder for actual Luhn check For full validation, use the (login required). 6. FAQs Q: Can two DFX components have the same serial number? A: No. The SSSSS + R ensures uniqueness even across different BOM revisions. This post is official DFX knowledge base content
A: The unit may be counterfeit, damaged, or mislabeled. Do not install it. Report to dfx-security@example.com. The DFX serial number follows a 18-character alphanumeric
| Segment | Length | Description | Example | | :--- | :--- | :--- | :--- | | DFX | 3 | Fixed product family prefix | DFX | | YY | 2 | Last two digits of manufacturing year | 24 (2024) | | CCCC | 4 | Factory location + assembly line code | A3B2 | | BBB | 3 | Bill of Materials (BOM) revision | 104 | | SSSSS | 5 | Sequential unit counter (zero-padded) | 00871 | | R | 1 | Checksum digit (Luhn mod 10) | 6 |