APPC (Advanced Program-to-Program Communications)

In the IBM Systems Network Archi-

tecture (SNA), Logical Unit (LU) 6.2. See also LU.

• 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
• low-pass filter
• Low-Power Radio Service (LPRS)
• Low-Power Radio Service (LPRS)
• low-tier
• low-tier
• low voltage (LV)
• low-water-peak fiber (LWPF)
• LPC (Linear Predictive Coding)
• lpi (lines per inch)
• LPRS (Low-Power Radio Service)
• LRC (Longitudinal Redundancy Check)