PDU Items and Sub-items (pynetdicom.pdu_items)

ApplicationContextItem An Application Context Item.
PresentationContextItemRQ A Presentation Context (RQ) Item.
PresentationContextItemAC A Presentation Context (AC) Ttem.
UserInformationItem A User Information Item.
AbstractSyntaxSubItem An Abstract Syntax Sub-item.
TransferSyntaxSubItem A Transfer Syntax Sub-item.
MaximumLengthSubItem A Maximum Length Sub-item.
ImplementationClassUIDSubItem An Implementation Class UID Sub-item.
ImplementationVersionNameSubItem An Implementation Version Name Sub-item.
SCP_SCU_RoleSelectionSubItem An SCP/SCU Role Selection Sub-item.
AsynchronousOperationsWindowSubItem An Asynchronous Operations Window Sub-item.
UserIdentitySubItemRQ A User Identity (RQ) Sub-item.
UserIdentitySubItemAC A User Identity (AC) Sub-item.
SOPClassExtendedNegotiationSubItem A SOP Class Extended Negotiation Sub-item.
SOPClassCommonExtendedNegotiationSubItem A SOP Class Common Extended Negotiation Sub-item.
PresentationDataValueItem A Presentation Data Value Item.

The encoding of DICOM Upper Layer PDU Items and Sub-items is always Big Endian byte ordering [1].

References

  1. DICOM Standard, Part 8, Section 9.3.1