service management system (SMS)

See SMS.

• line extender
• line finder
• line frequency
• line interface
• line number
• line of sight (LOS)
• Line Overhead (LOH)
• line powered
• line powered
• line powered
• line setup
• line sharing
• line side
• lines per inch (lpi)
• line status lamp
• line-switched ring
• link
• link access procedure, balanced (LAPB)
• link access procedure, D channel (LAPD)
• link access procedure for frame mode services (LAPF)
• link access procedure for modems (LAPM)
• Link Control Protocol (LCP)
• link-local address
• link rot
• link-state protocol