matrix

See matrix switch and switch matrix.

• Data Link Layer (DLL)
• Data over Cable Service Interface Specification (DOCSIS)
• DataPhone
• data service unit (DSU)
• data set or dataset
• data terminal equipment (DTE)
• Data Under Voice (DUV)
• dB (decibel)
• dB/km (deciBels per kilometer)
• dBm (deciBels referenced to a milliWatt)
• DBS (Direct Broadcast Satellite)
• DCCH (Digital Control CHannel)
• DCCS (Digital Cross-Connect System)
• DC (Direct Current)
• DCE (Data Communications Equipment)
• D channel (Delta channel or Data channel)
• D channel (Delta channel or Data channel)
• DCS 1800 (Digital Cellular System 1800)
• DCS 1800 (Digital Cellular System 1800)
• DCT (Discrete Cosine Transform)
• DCTE (Data Circuit Terminating Equipment)
• DDD (Direct Distance Dialing)
• DDN (Defense Data Network)
• DDS (Digital Data Service)
• decibel (dB)