DS-3 (Digital Signal Level Three)

The signal level for a digital carrier system operating at level three

of the North American digital signal hierarchy. A DS-3 corresponds to a T3 in the North American hierarchy. See also digital signal hierarchy and T3.

• SDR (Software-Defined Radio)
• SDSL (Symmetric Digital Subscriber Line)
• SDSL (Symmetric Digital Subscriber Line)
• SDSL (Symmetric Digital Subscriber Line)
• SDTV (Standard Definition TeleVision)
• seamless
• search engine
• SECAM (Séquential Couleur Avec Mémoire)
• SECBR (Severely Errored Cell Block Ratio)
• second
• secondary domain
• Second Computer Inquiry
• secret-key encryption
• Section Overhead (SOH)
• section terminating equipment (STE)
• Secure European System for Applications in a Multivendor Environment (Sesame)
• Secure Hypertext Transport Protocol (S-HTTP)
• Secure Multipurpose Internet Mail Extension (S/MIME)
• Secure Sockets Layer (SSL)
• security
• security
• security
• security management
• seed rod
• segment