Magtek mDynamo Programmer's Manual page 132

Appendix B - EMV Message Formats (EMV Only)
Data><len><val>
in the clear*/
multiple of 8 bytes>
If the device is configured to prefer MSD data, it includes that data in additional TLV data objects in TLV
data object FC.
mDynamo| OEM Secure Card Reader Authenticator | Programmer's Manual (COMMANDS)
DFDF43 <Magneprint Status
DFDF50(MSR KSN Data)<len><val> /*sent
DFDF51(MSR EncryptionType)<len><val>
<Padding to force DFDF59 plus padding to be a
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