1. System issues System decomposition / Product tree System specification: function, performance, interfaces, budget Work-breakdown structure

2. SXC system overview2 Block diagram

3. SXC system overview3 System levels SYSTEM SUBSYSTEM UNIT SPACECRAFT CONSORTIUM

4. SXC system overview4 SXC system Detector Ground segment Spectrum-X Calorimeter UNIT Telescope UNIT

5. SXC system overview5 SXC product tree (1) 1SXC instrument 1.1SXC detector 1.1.1detector subsystem hardware 1.1.1.1IDC 1.1.1.2cryostat 1.1.1.2.1FEA 1.1.1.2.2ADR 1.1.1.2.3ST 1.1.1.2.4ST/JT 1.1.1.3AAC 1.1.1.4CDE 1.1.1.5PSU 1.1.1.6radiator 1.1.1.7calorimeter array 1.1.1.8in-flight calibration source 1.1.1.9CAP 1.1.1.10CDP 1.1.1.11flight harness 1.1.2 detector subsystem software 1.1.2.1IDC-software 1.1.2.2CDP-software 1.1.2.3cmd/hk database 1.1.3Ground support equipment

6. SXC system overview6 SXC product tree (2) 1SXC instrument 1SXC instrument 1.2SXC telescope 1.2SXC telescope 1.2.1telescope subsystem hardware 1.2.1telescope subsystem hardware 1.2.1.1Tube 1.2.1.1Tube 1.2.1.2Mirror module 1.2.1.2Mirror module 1.2.1.3cover 1.2.1.3cover 1.2.1.4TAC 1.2.1.4TAC 1.2.1.5heaters 1.2.1.5heaters 1.2.1.6thermistors 1.2.1.6thermistors 1.2.1.7flight harness 1.2.1.7flight harness 1.2.2 telescope subsystem software 1.2.2 telescope subsystem software 1.2.2.1cmd/hk database 1.2.2.1cmd/hk database 1.2.3Ground support equipment 1.2.3Ground support equipment

7. SXC system overview7 System issues System decomposition / Product tree System decomposition / Product tree System specification: function, performance, Interfaces, budget System specification: function, performance, Interfaces, budget Work-breakdown structure Work-breakdown structure

8. SXC system overview8 SXC and SC systems Spectrum-X Calorimeter SPACECRAFT IF specificatie Budgets Function specificatie Performance

9. SXC system overview9 SXC and SC subsystems SPACECRAFT Detector Telescope Ground segment

10. SXC system overview10 Controlled documents Controlled: agreed between two or more parties. Subsystem requirements specification Subsystem to subsystem interface specification Electrical Electrical Mechanical Mechanical Alignment Alignment Software Software Resources (mass, power) Resources (mass, power) etc etc Technical planning D&V-plan D&V-plan EMC-plan EMC-plan AIV-plan AIV-plan etc etc

11. SXC system overview11 Technical plans follow product tree SYSTEM SUB UNIT SPACECRAFT SYSTEM EMC plan SUBSYSTEM EMC plan SUBSYSTEM EMC plan SUBSYSTEM EMC plan SPACECRAFT requirements

12. SXC system overview12 System issues System decomposition / Product tree System decomposition / Product tree System specification: function, performance, Interfaces, budget System specification: function, performance, Interfaces, budget Work-breakdown structure, project organization Work-breakdown structure, project organization

13. SXC system overview13 SXC: work breakdown structure

14. SXC system overview14 Position of SET in SXC-project Detector Ground segment Spectrum-X Calorimeter TelescopeSpacecraft SET: PA/QA Electrical Mechanical Thermal Software AIV

15. SXC system overview15 System engineering The subsystem teams are responsible for their own System Engineering, PA issues, configuration control etc. The subsystem teams are responsible for their own System Engineering, PA issues, configuration control etc. The SXC-system engineering team will support subsystem reviews at best-effort base. The SXC-system engineering team will support subsystem reviews at best-effort base. The SXC-system engineering will control interfaces and budgets external to the subsystems. The SXC-system engineering will control interfaces and budgets external to the subsystems.