MTBF (Mean Time Between Failures)

An indicator of component or system reliability based on the

known failure rate calculated as the average period of time, expressed in hours, between total breakdowns.

• logophobia
• LOH (Line OverHead)
• long distance
• long haul circuit
• longitudinal redundancy checking (LRC)
• long wavelength band (L-Band)
• long wavelength (LW)
• loop
• loop
• loopback address
• loopback address
• loopback test
• loop current
• loop start
• loose-tube cable
• LOS (Line-of-Sight)
• loss
• loss budget
• lossless compression
• lossy compression
• low delay code excited linear prediction (LD-CELP)
• low earth orbit (LEO)
• low frequency (LF)
• Low Income Consumers Program
• low-order mode