... layouts4*4 key, waterproof and dustproofOptional RS232 and USB connector, separate power supply, side key connectorEasy integrationHighly competent software support,support Standard XFS 2.0 ... data ECB/CBC encryption/decryptionDES MAC calculation3DES MAC calculationDES PIN encryption3DES PIN encryptionMultiple PIN Block formats: ANSI, ISO0, ISO1, ECI2, ISO3, IBM3624, DIEBOLD ...