User InterfacesDMD15/DMD15L IBS/IDR Satellite Modem

Table 5-1. G.703 Interface Port (Balanced) 15-Pin Female “D” Connector (J7)

 

Pin No.

Signal Name

Signal

Direction

 

 

 

 

 

 

 

 

1

Send Data (-)

SD-A

Input

 

 

 

 

 

 

 

 

2

Ground

GND

---

 

 

 

 

 

 

 

 

9

Send Data (+)

SD-B

Input

 

 

 

 

 

 

 

 

7

External Clock A (-)

BAL EXC-A

Input

 

 

 

 

 

 

 

 

8

External Clock B (+)

BAL EXC-B

Input

 

 

 

 

 

 

 

 

3

Receive Data A (-)

RD-A

Output

 

 

 

 

 

 

 

 

4

Ground

GND

---

 

 

 

 

 

 

 

 

11

Receive Data B (+)

RD-B

Output

 

 

 

 

 

 

 

 

12

Drop Data Out (-)

DDO-A

Output

 

 

 

 

 

 

 

 

5

Drop Data Out (+)

DDO-B

Output

 

 

 

 

 

 

 

 

13

Insert Data In (-) EXC (-)

IDI-A

Input

 

 

 

 

 

 

 

 

6

Insert Data In (+) EXC (+)

IDI-B

Input

 

 

 

 

 

 

 

5.10 SYNC DATA (J8)

The Synchronous Data Interface Port is a 37-Pin Female “D” Connector. Refer to Table 5-2 for pinouts.

Table 5-2. Synchronous Data Port RS-422/RS-485/RS-232/V.35

37-Pin Female “D” Connector (J8)

 

Pin No.

Signal Name

 

Signal

Direction

 

 

 

 

 

 

 

 

 

3

Transmit Octet (-)

TXO-A

 

Input

 

 

 

 

 

 

 

 

 

21

Transmit Octet (+)

TXO-B

 

Input

 

 

 

 

 

 

 

 

 

4

Send Data A (-)

SD-A

 

Input

 

 

 

 

 

 

 

 

 

22

Send Data B (+)

SD-B

 

Input

 

 

 

 

 

 

 

 

 

5

Send Timing A (-)

ST-A

 

Output

 

 

 

 

 

 

 

 

 

23

Send Timing B (+)

ST-B

 

Output

 

 

 

 

 

 

 

 

 

6

Receive Data A (-)

RD-A

 

Output

 

 

 

 

 

 

 

 

 

24

Receive Data B (+)

RD-B

 

Output

 

 

 

 

 

 

 

 

 

7

Request to Send A (-)

RS-A

 

Input

 

 

 

 

 

 

 

 

 

25

Request to Send B (+)

RS-B

 

Input

 

 

 

 

 

 

 

 

 

8

Receive Timing A (-)

RT-A

 

Output

 

 

 

 

 

 

 

 

 

26

Receive Timing B (+)

RT-B

 

Output

 

 

 

 

 

 

 

 

 

9

Clear to Send A (-)

CS-A

 

Output

 

 

 

 

 

 

 

 

 

10

Mod Fault - Open Collector

MF

 

Output

 

 

 

 

 

 

 

 

5-4

TM051 – Rev. 5.8

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Paradyne DMD15L operation manual Sync Data J8
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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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