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

Maintenance

 

 

 

 

 

 

 

 

 

 

 

 

Figure 6-10. IBS Alarm Concept

Table 6-4. IBS Fault Conditions and Actions (includes Drop and Insert)

Fault Detected on

Action In Earth

Action to Terrestrial

Action to Satellite

Terrestrial Link

Station

(Across Interface H)

(Across Interface D)

(Across Interface A)

 

 

 

 

FA1 - Loss of

AS1, 2 - IBS Prompt,

AH2 - ‘1’ in Bit 3 of

AD1 - AIS in Relevant

Terrestrial Input

Service Alarm

NFAS TSO, Yellow

TS’s

 

 

 

Alarm

 

FA2 - Loss of

AS1 -

- IBS Prompt

AH2 - ‘1’ in Bit 3 of

AD3 - ‘1111’ in

Terrestrial Signaling

Alarm

 

NFAS TSO, Yellow

RelevantTS16’s

 

 

 

Alarm

 

FA3 - Loss of

AS1 -

- IBS Prompt

AH2 - ‘1’ in Bit 3 of

AD1 - AIS in Relevant

Terrestrial Frame

Alarm

 

NFAS TSO, Yellow

TS’s

 

 

 

Alarm

 

FA4 - Loss of

AS1 - IBS Prompt

AH2 - ‘1’ in Bit 3 of

AD3 - ‘1111’ in

Terrestrial Multiframe

Alarm

 

NFAS TSO, Yellow

Relevant TS16’s

 

 

 

Alarm

 

FA5 - BER of 1x 10-3

AS1 - IBS Prompt

AH2 - ‘1’ in Bit 3 of

AD1 - AIS in Relevant

or Greater on

Alarm

 

NFAS TSO, Yellow

TS’s

Terrestrial Input

 

 

Alarm

 

FA6 - Alarm Indication

---

 

---

AD2 - ‘1’ in Bit 3 of

Received on

 

 

 

Byte 32

Terrestrial Input

 

 

 

 

Fault Detected From

 

 

 

 

Satellite

 

 

 

 

(Across Interface E)

 

 

 

 

FA1 - Loss of Satellite

AS1,2 - IBS Prompt,

AH1, 3 - AIS in TS’s,

AD2 - ‘1’ in Bit 3 of

Signal Input

Service Alarm

‘1111’ in TS16

Byte 32

 

 

 

 

 

TM051 - Rev. 5.8

6-5

Page 171 Page 173
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Image 172
Paradyne DMD15L operation manual Fault Detected From Satellite Across Interface E
Page 171 Page 173

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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