Meridian Digital Telephone IP Adapter Installation and Administration Guide 205
October 2001 Glossary
megahertz
One million cycles per second.
MHz
See megahertz.
RLC
An abbreviation for Reach Line Card. The RLC is installed on the host PB X and
relays voice and signaling information from the digital telephones connect ed at a
remote site to the host PBX.
motherboard
The principal board that has connectors for attaching devices to the bus.
Typically, the motherboard cont ai ns the CPU, memory, and basic controllers for
the system. On PCs, the motherboard is often called the system board.
MTBF
Mean time between failures.
Mu-law
A companding method for encoding and decoding audio signals in 24-channel
pulse-code-modulated (PCM) systems. Mu-law is the method used in North
America and Japan See also A-law.
multiuser ports
A Remote Office 9150 unit port feature that allows multiple stations to time-
share a single port on the host PBX. All stations that use a multiuser port are
always assigned to the same port number (TN) on the host PBX.
N NetBeui
See NetBIOS enhanced user interface.
NetBIOS
See Network Basic Input Output System.