L2F Layer 2 Forwarding
L2TP Layer 2 Tunneling Protocol
LAN Local Area Network
LANCES LAN Resource Extension and Services (IBM Corp.)
LANE Local Area Network Emulation
LAPB Link Access Procedure-Balanced
LAT Local Area Transport (Digital Equipment Corp.)
LATA Local Access and Transport Area
LBO Line Build Out
LCD Liquid Crystal Display
LCN Local Channel Number
LCP Link Control Protocol
LD Laser Diode
LEC Local Exchange Carrier
LED Light Emitting Diode
LEO Low-earth-orbit
LF Low Frequency (30 KHz to 300KHz)
LI Length Indicator
LIPS Lightweight Internet Person Schema
LLC Logical Link Control
LMDS Local Multipoint Distribution System
LMS Location and Monitoring Service
LNP Local Number Portability
LOM LAN on Motherboard
LSAPI Licensing Service Application Programming Interface
LSI Large Scale Integration
LTG Line Trunk Group
LU Logical Unit (IBM Corp.)
LVD Low Voltage Differential
