Dynamic Service Change 
Dynamic Stability Control 
Document Structuring Conventions 
Data Separator Card 
DECT Standard Cipher 
Dedicated Signal Conditioner 
Digital Signaling Converter 
Digital Still Camera 
Digital Subscriber Controller 
Data Satellite Channel 
Data Systems Center 
Deep Space Communications 
Depot Support Contract 
descrambler 
Digital Service Channel 
Digital Subscriber Carrier 
Digital-to-Synchro Converter 
Distributed Statistical Computing 
District Switching Centre 
Double Silk Covered 
Data Source Control 
Data Stabilization Computer 
Data Storage Controller 
DATA STREAM COMPATABILITY 
Data Stream Compatibility 
Data Stream Compatible 
Data Support Center 
Data Systems Controller 
Declaration Subset Close 
Defence Shipping Council