Download Title: NanoRacks External Platform (NREP) Standard Interface

NREP
Doc. No.:
ANA–EPP–IDD–0001
Issue:
7
Date:
03/24/14
Revision:
A
Date:
03/09/15
Page:
iii
6.2 Electrical Provisions - 28 VDC ........................................................................................6-1 6.2.1 Constraints - 28 VDC ..............................................................................................6-1 6.2.2 28 VDC Power Characteristics ................................................................................6-2 6.2.3 5 VDC USB Power ..................................................................................................6-2 6.2.4 Electrical Provisions - 120 VDC ...............................................................................6-3 7 Electromagnetic Compatibility ...............................................................................................7-1 7.1 Electrical Grounding .......................................................................................................7-1 7.2 Electrical Bonding of Equipment.....................................................................................7-1 7.3 Payload Surface Electrostatic Charging..........................................................................7-1 7.4 Insulated Materials .........................................................................................................7-1 7.5 Radiation Emissions .......................................................................................................7-1 8 Materials Compatibility and Safety.........................................................................................8-1 8.1 Materials and Processes ................................................................................................8-1 8.2 Safety Process...............................................................................................................8-1 8.3 Toxic Materials ...............................................................................................................8-1 8.4 Safe without Service ......................................................................................................8-1 9 Flight Operation ....................................................................................................................9-1 10 Payload Provider – Data Deliverables – if applicable ............................................................10-1 10.1 NREP-P drawings ......................................................................................................10-1 10.2 Thermal Math Model Requirements............................................................................10-1 10.2.1 Payload Thermal Mathematical Model (PTMM) ....................................................10-1 10.2.2 Thermal Model Information Requirements ...........................................................10-1 10.2.3 PTMM Software Format ......................................................................................10-2 11 Command and Data Interfaces ...........................................................................................11-1 11.1 Ground to Payload Communication Overview ............................................................11-1 11.1.1 Standard ISS Command and Data Handling .......................................................11-2 11.1.1.1 Overview ......................................................................................................11-2 11.1.1.2 File Transfer .................................................................................................11-2 11.1.1.3 Data Streaming ............................................................................................11-3 11.1.2 Emulated Network Communication Using STELLA..............................................11-4 11.1.2.1 STELLA Console Service; Payload Commanding .........................................11-4 11.1.2.2 STELLA File Transfer Service........................................................................11-6 11.1.2.3 STELLA IP Packet Forwarding .....................................................................11-7 11.2 NREP DHS to Payload Software Interface Overview...................................................11-8 11.2.1 USB Device Classes ...........................................................................................11-8 11.2.1.1 CDC Abstract Control Model (Serial Communication) ...................................11-8 11.2.1.2 CDC Ethernet Control Model (Networking) ...................................................11-9 11.2.1.3 Mass Storage Device Class..........................................................................11-9 11.3 NREP DHS Payload Services .....................................................................................11-9 11.3.1 Commanding ......................................................................................................11-9 11.3.1.1 S: Status Command..................................................................................11-10 ANA-EPP-IDD-0001_7A.docx
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