SMC Networks VDSL2 - Manual (Page 86)

G
LOSSARY
Glossary-4
IEEE 802.3x
Defines Ethernet frame start/stop requests and timers used for flow
control on full-duplex links. (Now incorporated in IEEE 802.3-2005.)
IEEE 802.3z
Defines CSMA/CD access method and physical layer specifications for
1000BASE Gigabit Ethernet. (Now incorporated in IEEE 802.3-2005.)
LAN Segment
Separate LAN or collision domain.
Layer 2
Data Link layer in the ISO 7-Layer Data Communications Protocol. This
is related directly to the hardware interface for network devices and passes
on traffic based on MAC addresses.
LED
Light emitting diode used for monitoring a device or network condition.
Local Area Network (LAN)
A group of interconnected computer and support devices.
Main Distribution Frame (MDF)
The hardware at a facility where external and internal lines terminate and
are cross connected.
Management Information Base (MIB)
An acronym for Management Information Base. It is a set of database
objects that contains information about the device.