Nortel Remote Gateway 9110 Installation And Administration Manual page 298

Glossary
Open System Interconnection
A worldwide communications standard that defines a framework for
implementing protocols in seven layers.
OS
Operating Standard
OSI
Refer to Open System Interconnection.
OTM
Optivity Telephony Manager. This is a Nortel software application that is used to
administer the Meridian 1 PBX.
P
Packet Internet Groper
A protocol that can be used to test the Ethernet connection to devices on the
network (such as the RLC and its associated remote units).
packetized voice
Digital signal processors (DSPs), located in the Remote Gateway 9150 unit and
RLC, convert analog voice into digital data. The data is constructed as a UDP/IP
voice packet for transmission over an IP network.
parity
The quality of being either odd or even. The fact that all numbers have parity is
commonly used in data communications to ensure the validity of data.
parallel port
A type of interface used to connect an external device such as a printer to a PC.
Most personal computers have both a parallel port and at least one serial port.
PBX
Refer to Private Branch Exchange.
PC
Personal computer. A computer with an architecture that is compatible with the
IBM PC.
274 Remote Gateway 911x Series Installation and Administration Guide
Standard 3.0