RECOMMENDATION ITU-R F.1104 - REQUIREMENTS FOR POINT-TO-MULTIPOINT RADIO SYSTEMS USED IN THE LOCAL ... ANNEX 1 - Configuration of point-to-multipoint systems used in the local grade portion of an ISDN connection 1. Introduction 2. Local grade portion of an ISDN connection 3. Position of point-to-multipoint systems in the network 4. ISDN applications - System capacity 4.2 Effect on the system capacity ANNEX 2 - Examples of methods for demand assignment, multiple access of ISDN links on a point-to-multipoint system 1. Introduction 2. First method: P-MP system seen as an ISDN repeater 2.1 Advantages 2.2 Disadvantages 3. Second method: P-MP system seen as an ISDN concentrator 3.1 General description 3.2 Transmission of signalling data and the D packet between the central station and remote stations 4. Summary