Glossary

LED

Light Emitting Diode. A light or status indicator that glows in response to the presence of a

 

certain condition (e.g., an alarm).

LLB

Line Loopback. A test in which the received signal on the network interface is looped back

 

to the network without change.

loopback

A diagnostic procedure that sends a test message back to its origination point. Used to

 

test various portions of a data link in order to isolate an equipment or data line problem.

LOS

Loss of Signal. The T1 line condition where there are no pulses.

LTU

Line Termination Unit. The control unit on the network end of a link. (The NTU is on the

 

customer premises end.)

Mbps

Megabits per second. One megabit is 1,048,576 (10242) bits.

MCC

Management Communications Controller. The DSLAM circuit card used to configure and

 

monitor the DSLAM.

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.

M/SDSL

Multirate SDSL.

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.

reset

A reinitialization of the device that occurs at power-up or in response to a reset command.

RLB

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 device.

router

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

 

available routes.

RTS

Request to Send. A signal from the DTE to the device, indicating that the DTE has data to

 

send. V.24 circuit 105.

RXD

Received Data. Pin 3 of the EIA-232 interface that is used by the DTE to receive data from

 

the modem. Conversely, the modem uses Pin 3 to transmit data to the DTE.

SDSL

Symmetrical Digital Subscriber Line. A technique for the use of an existing twisted pair line

that permits high bandwidth, bidirectional transmission.

SES

Severely Errored Seconds. Usually defined as a second during which a specific number of

 

CRC errors was exceeded, or an OOF or other critical error occurred.

SNMP

Simple Network Management Protocol. Protocol for open networking management.

TCP/IP

Transmission Control Protocol/Internet Protocol. The dominant protocol suite in the

 

worldwide Internet, TCP allows a process on one machine to send data to a process on

 

another machine using the IP. TCP can be used as a full-duplex or one-way simplex

 

connection.

7975-A2-GB20-40

December 1998

GL-3

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Paradyne 7975 manual Loopback, Mbps, Reset, Router

7975 specifications

The Paradyne 7975 is a robust and versatile product that has made significant strides in the realm of data communications. This device primarily facilitates high-speed data transmission, leveraging advanced technologies designed to optimize performance and reliability. One of its standout features is its ability to handle both analog and digital signals, making it an essential tool for various networking environments.

One of the key technologies employed in the Paradyne 7975 is the use of digital signal processing (DSP). This technology enhances the quality of signals transmitted over long distances, reducing the impact of noise and other interferences that can degrade performance. The integration of DSP allows for improved error correction techniques, ensuring data integrity during transmission.

Another notable feature of the Paradyne 7975 is its compatibility with a range of communication protocols. This inclusivity allows users to connect the device seamlessly with existing infrastructure, facilitating a smooth transition to higher data rates without the need for extensive upgrades. The product supports both T1 and E1 lines, catering to various network structures and requirements.

In terms of performance, the Paradyne 7975 boasts data rates of up to 2.048 Mbps for E1 and 1.544 Mbps for T1, allowing for efficient bandwidth utilization. Its architecture is designed for scalability, enabling businesses to expand their networks without encountering significant bottlenecks. Additionally, the device features built-in diagnostics and monitoring capabilities, which provide administrators with real-time insights into network performance and health.

The physical design of the Paradyne 7975 is also noteworthy. It typically comes in a compact form factor that can easily fit into standard telecommunications racks, making it a space-saving solution for data centers and offices. Its rugged construction ensures longevity and reliability, even in demanding environments.

Moreover, the device includes an intuitive user interface that simplifies configuration and maintenance processes, reducing the overall burden on IT staff. Additionally, its adaptive capabilities enable the device to automatically adjust to varying line conditions, ensuring optimal performance at all times.

Overall, the Paradyne 7975 stands out as a comprehensive solution for businesses seeking to enhance their data communication infrastructures. With its advanced features, compatibility, and user-friendly design, it continues to be a preferred choice for organizations looking to leverage high-speed data transmission technologies.