TRANSPLANT PROGRAM QAPI. Introduction to Transplant QAPI. A Regulatory Overview. QAPI Specialists/Quality Surveyor Educators (QSEs)/ Transplant Surveyors . James Ballard, MBA, CPHQ, CPPS, HACP. Eileen Willey, MSN, BSN, RN, CPHQ, HACP. 3
High-Level Data Link Control (HDLC) is a bit-oriented code-transparent synchronous data link layer protocol developed by the International Organization for Standardization (ISO). The original ISO standards for HDLC are: 1  ISO 3309 â Frame Structure.
This frame control field is subdivided into the following sub-fields: 1  Protocol Version: Two bits representing the protocol version. Currently used protocol version is zero. 2  Type: Two bits identifying the type of WLAN frame. Control, Data, and Management are various frame types defined in IEEE 802.11.