Paradyne 8310 MVLt User Manual

Page 104

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Glossary

GL-4

8000-A2-GB26-10

January 1999

Network Time Protocol.

Non-Volatile RAM.

A proprietary network management program used with HP OpenView that helps a network
administrator manage SNMP devices.

A group of control and data characters that are switched as a unit within a communications
network.

Protocol Data Unit. A message containing protocol-specific information.

Packet InterNet Groper. Used for testing and debugging networks, PING sends an echo
packet to the specified host, waits for a response, then reports the results of its operation.
Used as a verb, to PING means to use the program to verify the accessibility of a device.
The PING program is supported from both the DSL and MCC cards.

Plain Old Telephone Service. Standard telephone service over the PSTN with an analog
bandwidth of less than 4 Hz.

A device that filters out the DSL signal and allows the POTS frequencies to pass through.

Point-to-Point Protocol. as specified by Internet RFC 1661.

Proxy Address Resolution Protocol (ARP). A technique for using a single IP address for
multiple networks. A device responds to ARP requests with its own physical address, then
routes packets to the proper recipients.

Public Switched Telephone Network. A network shared among many users who can use
telephones to establish connections between two points. Also know as dial network.

Rate Adaptive Digital Subscriber Line. A technique for the use of an existing twisted-pair
line that permits simultaneous POTS and high-speed data communication at adaptive
symmetric and asymmetric rates.

The ability to automatically adapt when the port speed is lower than the line speed.

A device that connects LANs by dynamically routing data according to destination and
available routes.

A table used by a node to route traffic to another node in the multiplexer network.

Round Trip Time.

Remote Termination Unit. A DSL device installed at the customer premises.

Interface name of a DSL card’s DSL port #1.

Interface name of a DSL card’s DSL port #2.

Interface name of a DSL card’s DSL port #3.

Interface name of a DSL card’s DSL port #4.

SN. Endpoint modem at the customer premise, also known as a Remote Termination Unit
(RTU). There are two model types. See RADSL and MVL.

Simple Network Management Protocol. Protocol for open networking management.

An application level program that facilitates communication between an SNMP
management system and a device.

See NMS.

A message sent to an SNMP manager to notify it of an event, such as a device being
reset.

NTP

NVRAM

OpenLane DCE
Manager

packet

PDU

PING

POTS

POTS Splitter

PPP

proxy ARP

PSTN

RADSL

rate adaption

Router

Routing Table

RTT

RTU

s1c

s1d

s1e

s1f

Service Node

SNMP

SNMP agent

SNMP trap

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