1 Introduction1.1 Objective1.2 Scope1.3 System Identification1.4 Working Agreement You can use this interface control document template to describe the relationship between system components with respect to data elements and messages transmitted, logs observed, and synchronization and sequencing of events. Interface control documents (ICDs) are a key part of system engineering because they define and control the interface(s) of a system and thus link its requirements. The templates are in Microsoft Word (.doc) and can be downloaded online for as little as $4.99. The template package contains the following document:. . 3. Interface Requirements3.1 Interface # Requirements3.2 Interface # Requirements 2. interface definition2.1 system overview2.2 interface overview2.3 operation2.4 data transmission2.5 transaction types2.6 data exchange2.7 priority and criticality2.8 communication methods2.9 performance requirements2.10 security. . .
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