Paradyne Hotwire 8775 User Manual page 123

FTP File Transfer Protocol. A TCP/IP standard protocol that allows a user on one host to access
and transfer files to and from another host over a network, provided that the client supplies
a login identifier and password to the server.
A high-density DSLAM with advanced features such as an ATM transport and switching
GranDSLAM
system.
High Density Bipolar Three Zeros Substitution. A line coding technique used to
HDB3
accommodate the ones density requirements of E1 lines.
HDSL High-bit-rate Digital Subscriber Line. A technique for high bandwidth, bidirectional
transmission over copper wire for T1 and E1 services.
IP Internet Protocol. An open networking protocol used for internet packet delivery.
Internet Protocol address. The address assigned to an internet host.
IP address
Local Area Network. A privately owned and administered data communications network
LAN
limited to a small geographic area.
Light Emitting Diode. A light or status indicator that glows in response to the presence of a
LED
certain condition (e.g., an alarm).
Line Interface Unit. A physical layer data transmitter and receiver.
LIU
Line LoopBack. A test in which the received signal on the network interface is looped back
LLB
to the network without change.
A diagnostic procedure that sends a test message back to its origination point. Used to test
loopback
various portions of a data link in order to isolate an equipment or data line problem.
LOS Loss of Signal. The line condition where there are no pulses.
Line Termination Unit. The control unit on the network end of a link. (The NTU is on the
LTU
customer premises end.)
Management Communications Controller. The DSLAM circuit card used to configure and
MCC
monitor the DSLAM.
MCP Management Control Processor. The DSLAM circuit card that manages and provides
diagnostic connectivity to DSL cards.
MIB Management Information Base. A database of managed objects used by SNMP to provide
network management information and device control.
MIB II MIB Release 2. The current Internet-standard MIB, defined by RFC 1213.
MTSO Mobile Telephone Switching Office. A generic name for the main cellular switching center
which supports multiple base stations.
NMS Network Management System. A computer system used for monitoring and controlling
network devices.
NTU Network Termination Unit. The unit on the customer premises end of a link. (The LTU is on
the network end.)
OOF Out Of Frame. An error condition in which frame synchronization bits are in error.
PPP Point-to-Point Protocol. A protocol for packet transmission over serial links, specified by
Internet RFC 1661.
receiver A circuit that accepts data signals from a transmitter.
reset A reinitialization of the device that occurs at power-up or in response to a reset command.
8700-A2-GB25-10 February 2001
Glossary
GL-3