| Name | Value | Support | Description | Documentation |
|---|---|---|---|---|
| osdp_POLL | 0x60 | Yes | Poll | None |
| osdp_ID | 0x61 | Yes | ID Report Request | IdReport |
| osdp_CAP | 0x62 | Yes | PD Capabilities Request | DeviceCapabilities |
| osdp_LSTAT | 0x64 | Yes | Local Status Report Request | LocalStatus |
| osdp_ISTAT | 0x65 | Yes | Input Status Report Request | InputStatus |
| osdp_OSTAT | 0x66 | Yes | Output Status Report Request | OutputStatus |
| osdp_RSTAT | 0x67 | Yes | Reader Status Report Request | ReaderStatus |
| osdp_OUT | 0x68 | Yes | Output Control Command | OutputControl |
| osdp_LED | 0x69 | Yes | Reader Led Control Command | ReaderLedControl |
| osdp_BUZ | 0x6A | Yes | Reader Buzzer Control Command | ReaderBuzzerControl |
| osdp_TEXT | 0x6B | Yes | Text Output Command | ReaderTextOutput |
| osdp_COMSET | 0x6E | Yes | PD Communication Configuration Command | CommunicationConfiguration |
| osdp_BIOREAD | 0x73 | Yes | Scan and Send Biometric Data | ScanAndSendBiometricData |
| osdp_BIOMATCH | 0x74 | Yes | Scan and Match Biometric Template | ScanAndMatchBiometricTemplate |
| osdp_KEYSET | 0x75 | Yes | Encryption Key Set Command | EncryptionKeySet |
| osdp_CHLNG | 0x76 | Yes | Challenge and Secure Session Initialization Rq. | None |
| osdp_SCRYPT | 0x77 | Yes | Server Cryptogram | None |
| osdp_ACURXSIZE | 0x7B | Yes | Max ACU receive size | ACUReceivedSize |
| osdp_FILETRANSFER | 0x7C | Yes | Send data file to PD | FileTransfer |
| osdp_MFG | 0x80 | Yes | Manufacturer Specific Command | ManufacturerSpecificCommand |
| osdp_XWR | 0XA1 | No | Extended write data | |
| osdp_ABORT | 0XA2 | Yes | Abort PD operation | AbortCurrentOperation |
| osdp_PIVDATA | 0XA3 | Yes | Get PIV Data | GetPIVData |
| osdp_GENAUTH | 0XA4 | No | Request Authenticate | |
| osdp_CRAUTH | 0XA5 | No | Request Crypto Response | |
| osdp_KEEPACTIVE | 0XA7 | Yes | PD read activation | KeeprReaderActive |
| Name | Value | Support | Description | Documentation |
|---|---|---|---|---|
| osdp_ACK | 0x40 | Yes | Command accepted, nothing else to report | None |
| osdp_NAK | 0x41 | Yes | Command not processed | |
| osdp_PDID | 0x45 | Yes | PD ID Report | |
| osdp_PDCAP | 0x46 | Yes | PD Capabilities Report | |
| osdp_LSTATR | 0x48 | Yes | Local Status Report | |
| osdp_ISTATR | 0x49 | Yes | Input Status Report | |
| osdp_OSTATR | 0x4A | Yes | Output Status Report | |
| osdp_RSTATR | 0x4B | Yes | Reader Status Report | |
| osdp_RAW | 0x50 | Yes | Reader Data � Raw bit image of card data | |
| osdp_FMT | 0x51 | No | Reader Data � Formatted character stream | |
| osdp_KEYPPAD | 0x53 | Yes | Keypad Data | |
| osdp_COM | 0x54 | Yes | PD Communications Configuration Report | |
| osdp_BIOREADR | 0x57 | Yes | Biometric Data | |
| osdp_BIOMATCHR | 0x58 | Yes | Biometric Match Result | |
| osdp_CCRYPT | 0x76 | Yes | Client's ID, Random Number, and Cryptogram | None |
| osdp_RMAC_I | 0x78 | Yes | Initial R-MAC | None |
| osdp_BUSY | 0x79 | Yes | PD is Busy reply | None |
| osdp_FTSTAT | 0x7A | No | ||
| osdp_PIVDATAR | 0x80 | Yes | PIV Data Reply | |
| osdp_GENAUTHR | 0x81 | No | Authentication response | |
| osdp_CRAUTHR | 0x82 | No | Response to challenge | |
| osdp_MFGSTATR | 0x83 | No | MFG specific status | |
| osdp_MFGERRR | 0x84 | No | MFG specific error | |
| osdp_MFGREP | 0x90 | Yes | Manufacturer Specific Reply | |
| osdp_XRD | 0xB1 | No | Extended Read Response |