4.2 Ethernet Connection

For all SDEC-3000 installations you will need either a crossover Ethernet cable or the SDEC will need to be connected to an Ethernet hub (figure 3). For all SDEC-4000 installations both the SDEC-4000P and SDEC-4000X, as well as your computer must be connected to an Ethernet hub and on the same network (figure 4).

NOTE: The below instructions assume you will be using an Ethernet hub or router. If you are using the SDEC-3000 you can optionally use a crossover cable and not use a hub.

Figure 3. SDEC-3000

Figure 4. SDEC-4000

4.2.1Initial Network Connection

Plug router in to AC and make sure it is powered ON

Begin with PC OFF, SDEC UNPLUGGED (no power). Connect PC to Ethernet router and boot PC. It should acquire a network address. This can be verified in Start Menu ￿ Control Panel

￿Network Connections ￿ Local Area Network ￿ Support Tab. Prior to getting the SDEC-3000 or 4000 On-line and working turn it may be necessary to turn off your Windows internet firewall on your computer so that you can talk to the EQ (you do this from the “Control Panel”).

Figure 5.

Connect the SDEC to an Ethernet router and plug in to AC (there is no power button). The unit will boot up and acquire a network address. This can be verified by watching the front panel display. It will display the boot up message and then scroll through product ID, Network Address and current time

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JBL SDEC-3000, SDEC-4000 manual Ethernet Connection, Initial Network Connection
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SDEC-4000, SDEC-3000 specifications

The JBL SDEC-4000 is an advanced digital signal processor designed for professional audio applications, offering a range of features tailored for optimizing sound quality in both live and installation settings. This powerful device is equipped with cutting-edge technologies that elevate the audio experience through precise control and manipulation of audio signals.

One of the standout features of the SDEC-4000 is its high-performance 32-bit DSP engine, which allows for complex audio processing tasks to be executed seamlessly. This means sound engineers can utilize precise adjustments without any degradation in audio quality. The processor supports various crossover types, making it versatile for different speaker configurations and ensuring proper frequency distribution across audio systems.

The SDEC-4000 comes with comprehensive networking capabilities, supporting both Ethernet and USB connections. This enables easy integration into larger systems while allowing for remote control and monitoring via a user-friendly interface. The device also supports various audio protocols, including AES/EBU and analog inputs, providing flexibility for connecting with multiple sources.

A vital aspect of the SDEC-4000 is its extensive array of built-in algorithms for equalization, compression, limiting, and delay. These tools empower sound engineers to tailor the audio output precisely to their requirements, whether it’s for a concert, a theater production, or a permanent audio installation. With up to 20 channels of processing, users have the freedom to fine-tune each element of their sound system individually.

In addition, the SDEC-4000 features a robust and intuitive graphical user interface that simplifies programming and adjustments. Users can visually represent their audio setups, making it easier to manage complex configurations. The processor also includes comprehensive diagnostic tools, ensuring that any issues can be quickly identified and resolved, thereby maintaining optimal performance.

Furthermore, the device is built with durability in mind. Its rugged construction ensures reliability even in demanding environments, making it a trustworthy choice for both touring applications and fixed installations. The JBL SDEC-4000 is not just a technical marvel, but a comprehensive solution designed to meet the diverse needs of audio professionals, setting a new standard in digital signal processing technology.
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