duplex

transmission in both directions. See also half-duplex, full-duplex, and simplex. 2. A fiber optic system physical configuration that employs two fibers, one for transmission in each direction. Passive optical network (PON) standards, for example, include a duplex configuration option. See also PON and simplex.

• country code Top Level Domain (ccTLD)
• coupler
• coupling efficiency
• coupling loss
• Coy, George W.
• CPE (Customer Premises Equipment)
• CPIM (Common Profile for Instant Messaging)
• cps (chips per second)
• CPU (Central Processing Unit)
• cracker
• CRC (Cyclic Redundancy Check)
• CRC (Cyclic Redundancy Check)
• critical angle
• critical angle
• crossbar
• cross-connect
• crossreed
• cross-talk
• crosstalk (XT)
• CRTC (Canadian Radio-television and Telecommunications Commission)
• cryptography
• cryptology
• crystal oscillator (XO)
• CSA (Carrier Serving Area)
• CS-ACELP (Conjugate Structure-Algebraic Code Excited Linear Prediction)