BS ISO 20618:2015是规定航天器机载接口的一系列文件之一 服务（SOI）-为支持应用程序而提供的兼容服务。本文档的目的是定义 SOIS设备枚举服务（DES）。其范围是仅指定服务，而不是 指定提供服务的方法，尽管SOIS子网服务的使用是有限的 假设。本文件符合SOIS绿皮书中规定的原则（参考文献[D3]） 并打算与它一起使用。购买本文件时可获得的所有当前修订均包含在购买本文件中。

BS ISO 20618:2015 is one of a family of documents specifying the Spacecraft Onboard Interface Services (SOIS)-compliant service to be provided in support of applications.The purpose of this document is to define services and service interfaces provided by the SOIS Device Enumeration Service (DES). Its scope is to specify the service only and not to specify methods of providing the service, although use of the SOIS subnetwork services is assumed.This document conforms to the principles set out in the SOIS Green Book (reference [D3]) and is intended to be applied together with it.All current amendments available at time of purchase are included with the purchase of this document.