ArtAddress fixed packet length.

ArtCommand header size before payload.

Maximum ArtCommand payload bytes.

Maximum ArtCommand total packet length.

ArtDataReply header size before payload.

Maximum ArtDataReply payload bytes.

ArtDataRequest fixed packet length.

ArtDiagData header size before payload.

ArtDmx header size before payload.

ArtFirmwareMaster header size before data.

Maximum ArtFirmwareMaster block size.

ArtFirmwareReply fixed packet length.

Bit flag to disable the input port.

ArtInput fixed packet length.

ArtIpProg minimum packet length.

ArtIpProgReply fixed packet length.

Minimum Art-Net packet header: ID (8) + OpCode (2) + ProtVer (2).

Art-Net packet ID magic bytes (“Art-Net\0” as a byte array).

Length of Art-Net ID header in bytes.

ArtNzs header size before payload.

ArtPoll fixed packet length.

ArtPollReply fixed packet length.

ArtRdm header size before RDM payload.

ArtRdmSub header size before values.

Maximum ArtRdmSub payload bytes.

ArtTimeCode fixed packet length.

ArtTodControl fixed packet length.

ArtTodData header size before the UID list.

ArtTodRequest base packet length.

Maximum addresses in ArtTodRequest.

ArtTrigger header size before payload.

Map from ArtTrigger key code to keyword.

Map from keyword to ArtTrigger key code.

ArtTrigger fixed packet length.

Maximum ArtTrigger payload bytes.

VLC flag: beacon mode.

VLC flag: IEEE compliant data.

VLC flag: reply requested.

Mask for valid VLC flag bits.

ArtVlc header size (within ArtNzs payload).

Magic bytes identifying VLC frame payload.

Maximum VLC payload size.

Start code identifying VLC data in ArtNzs.

Map from ArtDataRequest code to keyword.

Map from keyword to ArtDataRequest code.

ESTA manufacturer ID reserved for prototyping (0x7FF0–0x7FFF range). Per ESTA: ‘reserved for prototyping and experimental use while waiting for an assigned ID.’

Map from firmware master type code to an info map.

Map from firmware reply code to status keyword.

Map from status keyword to firmware reply code.

Opcodes with undocumented field layouts that pass payloads through untouched.

Map from keyword to numeric Art-Net opcode.

Maximum DMX512 channels per universe.

Maximum RDM UIDs per ArtTodData packet.

Map from numeric Art-Net opcode to keyword.

Art-Net protocol version (14 for Art-Net 4).

Map from RDM command class code to keyword.

Map from keyword to RDM command class code.