YAG/LED (Yttrium Aluminum Garnet/Light-Emitting Diode)

A light source used at one time

in fiber optic transmission systems (FOTS). See also FOTS, LED, and yttrium.

• DDS (Digital Data Service)
• decibel (dB)
• decibels per kilometer (dB/km)
• decimal notation
• DECT (Digital Enhanced Cordless Telecommunications)
• dedicated circuit
• dedicated circuit
• dedicated circuit
• DE (Discard Eligible)
• de facto
• Defense Advanced Research Project Agency Network (DARPANET)
• Defense Data Network (DDN)
• de jure
• delay
• delay skew
• delay spread
• delta modulation
• demand assigned multiple access (DAMA)
• demarcation point
• demarc (demarcation point)
• demod/remod (demodulation/remodulation)
• demodulate
• dense wavelength division multiplexing (DWDM)
• DES (Data Encryption Standard)
• deterministic