GlossaryDMD15/DMD15L/DMD15/DMD15LL/DMD15/DMD15LIBS/IDR Satellite Modem

 

 

D

 

 

 

 

 

 

DAC

Digital to Analog Converter

 

 

 

 

 

 

dB

Decibels

 

 

 

 

 

 

dBc

Decibels Referred to Carrier

 

 

 

 

 

 

dBm

Decibels Referred to 1.0 milliwatt

 

 

 

 

 

 

DC

Direct Current

 

 

 

 

 

 

DCE

Data Communications Equipment

 

 

 

 

 

 

Demod

Demodulator or Demodulated

 

 

 

 

 

 

DPLL

Digital Phase Locked Loop

 

 

 

 

 

 

DTE

Data Terminal Equipment

 

 

 

 

 

 

DVB

Digital Video Broadcast

 

 

 

 

 

 

D&I

Drop and Insert

 

 

 

 

 

 

 

E

 

 

 

 

 

 

Eb/N0

Ratio of Energy per bit to Noise Power Density in a 1 Hz Bandwidth.

 

 

 

 

 

 

EEPROM

Electrically Erasable Programmable Read Only Memory

 

 

 

 

 

 

EIA

Electronic Industries Association

 

 

 

 

 

 

EMI

Electromagnetic Interference

 

 

 

 

 

 

ESC

Engineering Service Circuits

 

 

 

 

 

 

ET

Earth Terminal

 

 

 

 

 

 

 

F

 

 

 

 

 

 

F

Fahrenheit

 

 

 

 

 

 

FAS

Frame Acquisition Sync. A repeating series bits which allow acquisition of a

 

 

 

frame.

 

 

 

 

 

 

FCC

Federal Communications Commission

 

 

 

 

 

 

FEC

Forward Error Correction

 

 

 

 

 

 

FIFO

First In, First Out

 

 

 

 

 

 

FPGA

Field Programmable Gate Arrays

 

 

 

 

 

 

FW

Firmware

 

 

 

 

 

G

g

Force of Gravity

 

 

GHz

Gigahertz

 

 

GND

Ground

 

 

G-2

TM051 - Rev. 5.8

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Paradyne DMD15L operation manual Dac, Dce, Dpll, Dte, Dvb, Eeprom, Eia, Emi, Esc, Fas, Fcc, Fifo, Fpga

DMD15, DMD15L specifications

The Paradyne DMD15L and DMD15 are advanced digital modems designed to enhance communication in a variety of networking environments. As part of Paradyne's robust portfolio of networking solutions, these devices are engineered to deliver reliable and efficient data transmission over both copper and fiber optic connections.

One of the main features of the DMD15L and DMD15 is their capability to support Multiple Protocol Data Units (MPDUs), which enables them to handle a diverse range of network protocols seamlessly. This flexibility makes them suitable for different applications, from industrial automation to telecommunications.

These modems utilize advanced modulation techniques, such as Quadrature Amplitude Modulation (QAM), to maximize data throughput while maintaining signal integrity. This ensures that users benefit from high-speed connections, even in challenging signal environments. Furthermore, the DMD15 series incorporates Error Correction Codes (ECC) that enhance data reliability, effectively reducing packet loss and ensuring data coherence during transmission.

The DMD15L is particularly notable for its long-range capabilities, making it a go-to solution for users requiring extended distances without compromising data quality. It features built-in Adaptive Equalization, which automatically adjusts signal levels to optimize performance over varying transmission distances. This technology is crucial in maintaining consistent high-speed connectivity, especially in environments with variable conditions.

Both models are equipped with user-friendly interfaces that facilitate configuration and management. They support SNMP (Simple Network Management Protocol) for real-time network monitoring, allowing administrators to track performance metrics and identify potential issues before they impact users. The devices also include LED indicators for quick status checks, ensuring that users have immediate visibility of operational conditions.

In terms of physical characteristics, the DMD15 and DMD15L are designed for durability and ease of installation. They come in a compact form factor, making them suitable for deployment in constrained spaces. Additionally, their robust casing is built to withstand harsh environmental conditions, making them suitable for both indoor and outdoor installations.

Overall, the Paradyne DMD15L and DMD15 are high-performance modems that combine versatile technologies, reliability, and user-friendly features. They are excellent choices for organizations looking to enhance their communication capabilities and ensure robust data transmission across diverse networks. With their advanced functionalities and adaptability, these modems stand out as key components in modern network infrastructure.