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3 Installing the Power over LAN Midspan

3.1Background Information

As shown in Figure 3-1, the Midspan is connected in series to an Ethernet switch/Hub. The data outputs from the switch are connected to the Midspan. The Midspan delivers power over spare twisted pairs (pins 7/8 and pins 4/5) of the Category 5 cabling without degrading the quality of data communications.

Figure 3-1: Typical Installation

3.2Connecting Cables

The ports on the front panel of the Midspan are configured as "route through" ports for all eight conductors of the RJ-45 connectors. Use Category 5 cabling in making connections.

1.Connect cables from the Ethernet Switch to the Data ports (bottom row on Midspan).

2.Connect the cables from the IEEE 802.3af ready terminals (PDs) to the corresponding Data & Power ports (top row on Midspan).

Power over LAN Solutions

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Cat. No.: 06-6831-056

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PowerDsine PD-3012, PD-3006 manual Background Information, Connecting Cables

PD-3006, PD-3012 specifications

PowerDsine, a leading provider of Power over Ethernet (PoE) solutions, offers a range of innovative products designed to deliver reliable power and data connectivity over existing Ethernet infrastructure. Among its notable offerings are the PowerDsine PD-3012 and PD-3006 series, which are known for their advanced features, robust performance, and versatile applications.

The PowerDsine PD-3012 is a midspan PoE injector that supports IEEE 802.3af and IEEE 802.3at standards, allowing it to deliver up to 12 watts of power per port. This makes it ideal for powering mid-range devices such as IP cameras, VoIP phones, and Wi-Fi access points. It features eight output ports, enabling users to connect multiple devices simultaneously, which helps streamline installation and reduce cable clutter.

One of the main characteristics of the PD-3012 is its intelligent power management feature. This technology monitors the power consumption of connected devices, ensuring optimal power distribution and preventing overloading. Additionally, it employs short-circuit and over-temperature protection mechanisms, promoting safety and reliability in PoE applications.

On the other hand, the PowerDsine PD-3006 is tailored for smaller deployments, providing six ports with a power output of up to 15.4 watts per port. Like the PD-3012, it adheres to the IEEE 802.3af standard, making it suitable for a range of low-power devices, including networked security cameras, wireless access points, and other PoE-enabled peripherals. Its compact design allows for easy installation in tight spaces, making it a practical choice for both enterprise and home office use.

Both the PD-3012 and PD-3006 incorporate advanced technologies such as surge protection and automatic detection of PoE-enabled devices. This ensures that the midspans provide power only where it is needed, reducing potential damage to non-PoE equipment while maximizing efficiency.

In conclusion, PowerDsine's PD-3012 and PD-3006 series are exemplary solutions for organizations looking to harness the capabilities of Power over Ethernet technology. With their robust features, intelligent power management, and compliance with industry standards, these PoE injectors offer a reliable and effective means of powering modern network devices. Their versatility makes them suitable for a wide range of applications, from small businesses to large enterprises, ensuring seamless connectivity and efficiency in network operations.