Paradyne 3172 Operator's Manual page 169

port
PORT (1– 4) interface
POWER connector
power-up self-test
PPP
PRBS
primary clock
PRM
protocol
Ptrns branch
pulse density
QRSS Test
RAI
RAM
register
Rel branch
reset
RFC
RIP
RJ48C
RLB
Rlpbk branch
router
RS-232
RS-232-like MIB
RS-449
RTS
RX
RXC
3170-A2-GB20-30
An access point for data entry or exit.
The synchronous data port interface on the E1 DSU/CSU.
The power input connector on the E1 DSU/CSU.
A test that checks most hardware components when power is applied to the device
or a reset is initiated.
Point-to-Point Protocol. A link layer protocol used by SNMP.
Psuedo-Random Bit Sequence. A test pattern containing any possible combination
of digital ones and zeros for a given string length.
The primary timing source used to synchronize all of the E1 and data port interfaces
on the E1 DSU/CSU.
Performance Report Message. A message indicating performance data such as
errored seconds, unavailable seconds, etc.
A set of rules that determines the behavior of functional units in achieving
communication.
Test Patterns branch of the E1 DSU/CSU menu tree.
A measure of the number of "ones" (marks, pulses) in relation to the total number
of bits transmitted.
Quasi-Random Signal Test. A test pattern simulating a random pattern of digital
ones and zeros used to simulate normal transmission.
Remote Alarm Indication. A remote alarm on an E1 line.
Random-access memory. Read/write memory that is volatile and loses its contents
when power is removed.
A part of the device's memory that holds stored values.
Release branch of the E1 DSU/CSU menu tree.
A reinitialization of the E1 DSU/CSU that occurs at power-up or in response to a
reset command.
Request for Comments. The set of documents that describes the standard
specifications for the TCP/IP protocol suite.
Routing Information Protocol. A protocol used to add routes in the Internet.
An 8-position modular connector.
Repeater Loopback. Loops the signal being sent to the network back to the DTE
Drop/Insert and data ports after it has passed through the framing circuitry of the E1
DSU/CSU.
Remote Loopback branch of the E1 DSU/CSU menu tree.
A device that connects LAN segments.
An EIA standard for a low-speed, 25-position, DCE/DTE interface.
Defines objects for managing RS-232-type interfaces (e.g., RS-422, RS-423, etc.)
and supports synchronous data ports and management communication ports on the
E1 DSU/CSU.
An EIA standard for a general-purpose, 37-position, DCE/DTE interface.
Request-to-Send. V.24 circuit 105.
Receive. To obtain signals that have been transmitted.
Receive Clock. V.24 circuit 115.
March 1999
Glossary
Glossary-7