Paradyne 3150 Operator's Manual page 159

ACCULINK 315x CSU
module
MRU
network
network interface
NMS
node
object (SNMP)
OOF
option
PAP
parity
payload
PBX
PC
PDU
PDV
Perf branch
PLB
port
POWER connector
power-up self-test
PPP
PRM
protocol
PSTN
Ptrns branch
pulse density
QRSS Test
RAM
Glossary-6
A compact assembly functioning as a component in a larger system or unit.
Maximum Request Unit.
A configuration of data processing devices for information exchange.
The T1 network interface connector on the rear panel of the CSU.
Network Management System. A computer system used for monitoring and
controlling network devices.
A connection or switching point on the network.
A specific item within a Management Information Base (MIB).
Out Of Frame. An error condition in which frame synchronization bits are in error.
A hardware or software function that can be selected or enabled as part of a
configuration process.
Password Authentication Protocol.
A way of checking data accuracy by counting the number of bits that have a value
of one.
The information bits in a frame.
Private Branch Exchange. Telephone switching equipment dedicated to one
customer. A PBX connects private telephones to each other and to the public
network.
Personal computer. In this document, references to a PC imply an IBM PC or an
IBM-compatible PC.
Protocol Data Unit. Used when adding routes in the Internet.
Pulse Density Violation. The number of "ones" (marks, pulses) is not adequate for
the line requirement.
Performance Report branch of the CSU menu tree.
Payload Loopback. Loops the received signal on the network interface back to the
network after it has passed through the framing circuity of the CSU.
An access point for data entry or exit.
The power input connector on the CSU.
A test that checks most hardware components when power is applied to the device
or a reset is initiated.
Point-to-Point Protocol. A link layer protocol used by SNMP.
Performance Report Message. A message indicating performance data such as
errored seconds, unavailable seconds, etc.
A set of rules that determines the behavior of functional units in achieving
communication.
Public Switched Telephone Network.
Test Patterns branch of the CSU menu tree.
A measure of the number of "ones" (marks, pulses) in relation to the total number
of bits transmitted.
Quasi-Random Signal Source Test. A test pattern simulating a random pattern of
digital ones and zeros used to simulate normal transmission.
Random-access memory. Read/write memory that is volatile and loses its contents
when power is removed.
February 1998 3150-A2-GB21-80