
3914 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $20.00 | Condition is Open box, Legrand 24Vdc Cat5 Power Injector Module DC:3914, shipping cost = $7.90 | 100.0% |



The LEGrand 3914 24VDC Cat5 Power Injector Module is a versatile and powerful solution for delivering both power and data over a single Cat5e or Cat6 Ethernet cable. This module is designed for use in Power over Ethernet (PoE) applications, where it is essential to transmit both electrical power and data to devices such as IP cameras, VoIP phones, and Wi-Fi access points that are located in areas where traditional power sources may not be readily available.
Thisinjector module is built with high-quality components that ensure reliable and efficient power transfer over long distances, making it an ideal choice for large-scale installations. The module can deliver up to 24 watts of power per port, which makes it suitable for powering devices that consume up to 15.4 watts. In addition, it features a built-in surge protection system, which safeguards connected devices from voltage spikes and power surges.
The LEGrand 3914 is a compact and robust unit, with a sleek and modern design that makes it easy to integrate into any network infrastructure. It measures 141mm in length, 56.5mm in width, and 28mm in height, making it a space-efficient solution that can be easily mounted on a DIN rail or a wall mounting plate. The module has 4 European standard IEEE 802.3af and 802.3at compliant PoE ports, which can supply power to IEEE 802.3af and 802.3at compliant devices.
The module's user-friendly design also includes LED indicators for each port, which provide visual feedback on the power and data status of each device. This makes it easy to identify and troubleshoot any issues with connected devices. Additionally, the module comes with a detachable power cord, which allows for easy installation and replacement if needed.
Lastly, the LEGrand 3914 24VDC Cat5 Power Injector Module is compatible with both unshielded and shielded Cat5e and Cat6 cables, and it operates over a wide temperature range of -10 C to 65 C. Its robust and reliable design, combined with its versatility and easy installation, makes it a must-have component for any network infrastructure that requires Power over Ethernet capabilities.
Legrand 3914 24VDC Cat5 Power Injector Module: A Comprehensive Analysis
The Legrand 3914 is a 24VDC Cat5 power injector module intended to provide power over Ethernet (PoE) to devices such as IP cameras or VoIP phones. Below are some pros and cons that can aid in your decision-making process.
Pros:1. PoE delivery: The Legrand 3914 efficiently delivers power and data over a single Cat5 cable, making it an excellent choice for networks with IP devices that require power from the Ethernet backup source.
2. High Power Budget: With a power budget of 15.4W, the Legrand 3914 can support devices requiring higher power consumption, such as IP cameras with advanced features.
3. Built-in Overvoltage and Short-circuit protection: The module offers protection against overvoltage and short-circuits, ensuring the safety of the connected devices and the network. This can be especially vital in industrial or outdoor applications.
4. Easy installation: The plug-and-play design makes the Legrand 3914 a convenient choice for both new installations and upgrading existing networks. Devices can be deployed and connected using a single Cat5 cable.
5. Flexible: The Legrand 3914 can be used with various IP devices, including IP cameras, VoIP phones, access control systems, and more.
Cons:1. Power consumption: The Legrand 3914 may add additional power consumption to your network, which can result in increased energy costs and may require more extensive power planning.
2. Limited compatibility with certain switches: Some network switches may not support older PoE standards, such as IEEE 802.3af, which may restrict the compatibility of the Legrand 3914. Users must ensure that their switches are compatible with this module.
3. Size and weight: Though compact, the Legrand 3914 still occupies physical space in networks, adding to the overall system size and weight.
4. Cost: Depending on quantities and competing product offerings, the Legrand 3914 may be more expensive compared to other PoE injector modules from different manufacturers.
In conclusion, the Legrand 3914 offers numerous benefits in terms of delivering power and data over a single Cat5 cable, providing a high power budget and offering protection features. However, it may add additional power consumption, have limited compatibility with certain switches, occupy physical space, and potentially involve higher costs.
Based on the analysis, the Legrand 3914 can be a strong consideration for networks requiring PoE delivery for devices that consume higher power, and where switches are compatible. Network operators with budget constraints or concerns about power consumption and system size may evaluate alternative PoE injector modules to find a more cost-effective and size-efficient solution that meets their needs.
Details:
Experience seamless integration for your door entry system with the Legrand 24vdc cat5 power injector module, model dc:3914. Crafted by Legrand, a trusted name in access control technology, this power injector module is designed for uncomplicated installation and reliable performance.
specifications entrysyst:
- brand: Legrand
- mpn: 3914
- type: Power Injector Module
returns entrysyst:
- policy: no returns
payments entrysyst:
- other
- wallet: google-pay
- credit card: mastercard
seller entrysyst:
- rating: 97.4%
- city: elk grove village, illinois
- # reviews: 540
offer entrysyst:
- sold #: 20
- options: ship-to-home
- price: $20.00
- item condition: Open box
- best offers: true
- availability: in stock
- started: january 3, 2025
- in stock #: 1
general entrysyst:
- category: Home & Garden > Security > Door Entry Systems Intercoms
shipping entrysyst:
- class: standard
- carrier: usps
- transit: 5-13 days
- service: usps ground advantage
- type: calculated
