ISO INTERNATIONAL STANDARD 20205 First edition 2015-08-15 Space data and information transfer systems Spacecraft Onboard Interface Systems Low Data- Rate Wireless Communications for Spacecraft Monitoring and Control Systemes de transfert des informations et données spatiales Services d'interfaces a bord des vehicules spatiaux - Communication sans fil a faible debit de données pour la surveillance et le controle des véhiculesspatiaux Reference number IS0 20205:2015(E) SO International Organization for Standardization @ IS0 2015 dardization 5956617 vided by IHS under ed without license from IHS IS0 20205:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Intenatinair PrganizationforStandardization etworking permitted without license from IHS ISO 20205:2015(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies non-governmental, in liaison with isO, also take part in the work. IsO collaborates closely /with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote rights. isO shall not be held responsible for identifying any or all such patent rights. ISO 20205 was prepared by the Consultative Committee for Space Data Systems (CCSDS) (as CCSDS 882.0-M-1, May 2013) and was adopted (without modifications except those stated in clause 2 of this International Standard) by Technical Committee ISO/TC 2o, Aircraft and space vehicles, Subcommittee SC 13, Space data and information transfer systems. ii