Paradyne 3172 Operator's Manual page 168

ACCULINK 3172 and 3174 E1 DSU/CSU
LOFC
loopback test
LOS
Lpbk branch
LQR
manager (SNMP)
MB
Mbps
menu tree
MIB
MIB II
MRU
mobile switching center
network
NETWORK interface
NMS
node
object (SNMP)
OOF
option
PAP
parity
payload
PBX
PC
PDU
PDV
Perf branch
PLB
Glossary-6
Loss Of Frame Count. A count of 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 E1 line condition where there are no pulses.
Local Loopback branch of the E1 DSU/CSU menu tree.
Link Quality Reports.
The device that queries agents for management information, or receives unsolicited
messages (traps) indicating the occurrence of specific events.
Megabytes. A unit of memory measurement equal to approximately one million
bytes (typically 1,048,576 bytes).
Megabits per second (million bits per second).
A display of E1 DSU/CSU functions that are accessed by selecting various
branches (Status, Test, etc.).
Management Information Base. A database of managed objects used by SNMP to
provide network management information.
MIB Release 2. The current Internet-standard MIB.
Maximum Request Unit.
A facility that provides overall control for a wireless communication system. Cell
sites are linked to the public telephone network through a mobile switching center.
A configuration of data processing devices for information exchange.
The network interface connectors on the rear panel of the E1 DSU/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 E1 DSU/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 E1 DSU/CSU.
March 1999 3170-A2-GB20-30