DMD15/DMD15L IBS/IDR Satellite ModemUser Interfaces

TerrClk Mask:

{Pass/Fail, No/Yes}

 

Indicates no Terrestrial Clock activity.

IntClk Mask:

{Pass/Fail, No/Yes}

 

Indicates no SCT Clock activity.

TxSatCk Mask:

{Pass/Fail, No/Yes}

 

Indicates no Tx Sat Clock activity.

Tx Data Mask:

{Pass/Fail, No/Yes}

 

Indicates no Tx Data activity.

TerrAIS Mask:

{Pass/Fail, No/Yes}

 

Indicates that AIS has been detected in the Tx Data

 

Stream.

Drop Alarms (menu):

 

Frm Lock:

{Pass/Fail, No/Yes}

 

Indicates if drop/insert data is frame locked.

Multiframe Lock:

{Pass/Fail, No/Yes}

 

Indicates if drop/insert data has multiframe lock.

CRC Lock:

{Pass/Fail, No/Yes}

 

Indicates if the Circular Redundancy Check is passing in

 

PCM30C and PCM31C Mode.

RS FIFO:

{Pass/Fail, No/Yes}

 

Indicates status of the Tx Reed-Solomon FIFO.

FllBack:

{Pass/Fail, No/Yes}

Minor Rx (menu):

Indicates Tx clock fallback.

 

BufUFLw Mask:

{Pass/Fail, No/Yes}

 

Indicates that a Doppler Buffer underflow has occurred.

BufOFLw Mask:

{Pass/Fail, No/Yes}

 

Indicates that a Doppler Buffer overflow has occurred.

Buf <10% Mask:

{Pass/Fail, No/Yes}

 

Indicates that the Doppler Buffer is about to underflow.

Buf >90% Mask:

{Pass/Fail, No/Yes}

 

Indicates that the Doppler Buffer is about to overflow.

Viterbi Lock:

{Pass/Fail, No/Yes}

 

Indicates that the Viterbi Decoder is not locked.

Eb/No Mask:

{Pass/Fail, No, Yes}

 

Indicates that the calculated Eb/No of the incoming

 

signal has fallen below the programmed threshold value.

Rx Activity (menu):

 

TM051 - Rev. 5.8

4-19

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Paradyne DMD15L operation manual RS Fifo, Indicates status of the Tx Reed-Solomon Fifo
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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.
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