Paradyne 317x E1 manual Pdu

ACCULINK 317x E1 DSU/CSU

Lpbk branch	Local Loopback branch of the E1 DSU/CSU menu tree.
LQR	Link Quality Reports.
manager (SNMP)	The device that queries agents for management information, or receives unsolicited
	messages (traps) indicating the occurrence of specific events.
MB	Megabytes. A unit of memory measurement equal to approximately one million
	bytes (typically 1,048,576 bytes).
Mbps	Megabits per second (million bits per second).
menu tree	A display of E1 DSU/CSU functions that are accessed by selecting various
	branches (Status, Test, etc.).
MIB	Management Information Base. A database of managed objects used by SNMP to
	provide network management information.
MIB II	MIB Release 2. The current Internet-standard MIB.
MRU	Maximum Request Unit.
mobile switching center	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.
network	A configuration of data processing devices for information exchange.
NETWORK interface	The network interface connectors on the rear panel of the E1 DSU/CSU.
NMS	Network Management System. A computer system used for monitoring and
	controlling network devices.
node	A connection or switching point on the network.
object (SNMP)	A specific item within a Management Information Base (MIB).
OOF	Out Of Frame. An error condition in which frame synchronization bits are in error.
option	A hardware or software function that can be selected or enabled as part of a
	configuration process.
PAP	Password Authentication Protocol.
parity	A way of checking data accuracy by counting the number of bits that have a value
	of one.
payload	The information bits in a frame.
PBX	Private Branch Exchange. Telephone switching equipment dedicated to one
	customer. A PBX connects private telephones to each other and to the public
	network.
PC	Personal computer. In this document, references to a PC imply an IBM PC or an
	IBM-compatible PC.
PDU	Protocol Data Unit. Used when adding routes in the Internet.
PDV	Pulse Density Violation. The number of ªonesº (marks, pulses) is not adequate for
	the line requirement.
Perf branch	Performance Report branch of the E1 DSU/CSU menu tree.
PLB	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.
port	An access point for data entry or exit.
PORT (1±4) interface	The synchronous data port interface on the E1 DSU/CSU.
POWER connector	The power input connector on the E1 DSU/CSU.

Glossary-6 December 1996 3170-A2-GB20-20