Nortel Remote Gateway 9150 Installation And Administration Manual page 535

June 2005
megahertz (MHz)
One million cycles per second.
RLC
An abbreviation for Reach Line Card. The RLC is installed on the host PBX at
the host location and relays voice and signaling information from the digital
telephones connected at a remote site to the PBX at the host site.
motherboard
The principal board that has connectors for attaching devices to the bus.
Typically, the motherboard contains 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. Refer also to A-law.
Multi-user ports
A RLC port feature that allows multiple stations to time-share a single port on
the host PBX. All stations that use a multi-user port are always assigned to the
same port number (TN) on the host PBX.
N
network interface card
An expansion board that enables a PC to be connected to a local area network
(LAN).
NIC
Refer to network interface card.
node
A device connected to the network capable of connecting to other network
devices. For example, the RLC and Remote Gateway 9150 unit are both nodes
on the network.
Remote Gateway 9150 Installation and Administration Guide
Glossary
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