Paradyne 3162 DSU/CSU - Manual (Page 180)

Glossary
GL-6 3162-A2-GB20-30 March 1999
Line LoopBack. A test in which the received signal on the network interface is looped back
to the network without change.
Loss of Frame. Occurs when a DS1 terminal is unable to synchronize on the DS1 signal
for some interval.
Loss Of Frame Count. The number of LOFs declared.
A test that verifies a device’s operation by connecting the device’s output to the device’s
input.
Loss of Signal. The T1 line condition where there are no pulses.
Local Loopback branch of the CSU menu tree.
Link Quality Reports.
Megabyte or megabytes. A unit of memory measurement equal to approximately one
million bytes (typically 1,048,576 bytes).
Megabits per second. One megabit is 1,048,576 (1024 2 ) bits.
The structure containing the menu hierarchy starting at a Top-Level menu and extending
down to various device functions.
Management Information Base. A database of managed objects used by SNMP to provide
network management information and device control.
MIB Release 2. The current Internet-standard MIB, defined by RFC 1213.
A compact assembly functioning as a component in a larger system or unit.
Maximum Request Unit.
A configuration of data processing devices used 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 security technique that requires a user password for
access to a system.
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 dial network.
Personal Computer.
Protocol Data Unit. A message containing protocol-specific information.
Pulse Density Violation. The number of ones (marks, pulses) is not adequate for the line
requirement.
LLB
LOF
LOFC
loopback test
LOS
Lpbk branch
LQR
MB
Mbps
menu tree
MIB
MIB II
module
MRU
network
network interface
NMS
node
object (SNMP)
OOF
option
PAP
parity
payload
PBX
PC
PDU
PDV