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4-Port PoE Injector IEEE 802.3af/at Compliant Fanless Design Wall Mountable

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4-Port PoE Injector IEEE 802.3af/at Compliant Fanless Design Wall Mountable

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Brand Name : E-link

Model Number : LNK-POE204

Certification : ISO9001, RoHS, FCC,CE

Place of Origin : Shenzhen, Guangdong, China

MOQ : 1pc

Price : $4.9-299

Payment Terms : L/C,Western Union,MoneyGram,T/T

Supply Ability : 5000pc/month

Delivery Time : 5-8 work days

Packaging Details : 4-port PoE injector standard package

Input Power : 90-240V AC ,50-60Hz

Output Power : 4*15.4W Max IEEE802.3af 4*30W Max IEEE802.3at

Dimension : 280X186X44(H×D×W)

Weight : 2.08KG

Operating Temperature : 0 to +40°C,

Humidity : Max. 95% RH(non-condensing)

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4-Port PoE Injector IEEE 802.3af/at Compliant Fanless Design Wall Mountable


Overview:

A 4-Port PoE injector (also known as a Power over Ethernet mid-span device) delivers both data and power through a single cable, eliminating the need for separate electrical wiring. As a versatile PoE power supply module, this model is among the most popular choices for network expansions, offering plug-and-play flexibility.


Key Features:

  • 4x RJ45 PoE ports – Enables simultaneous power delivery to multiple devices such as IP cameras, wireless access points, and VoIP phones.

  • Dual-Function Port Groups – One set connects to standard Ethernet switches, while the other provides PoE+ compliant output (combining power and data transmission).

  • Mid-Span Design – Seamlessly integrates into existing networks without requiring switch upgrades.

Ideal for small to medium deployments, this 4-port PoE injector ensures reliable, high-efficiency power sourcing for your connected devices.

Power Over Ethernet (PoE) Injector – Reliable & Flexible Power Solution:

Multi-Device Power Supply – Delivers stable PoE (Power over Ethernet) to HD network cameras, IP phones, Wi-Fi access points, and other 802.3af/at-compatible devices via Cat5e/Cat6 cables.

High-Speed Data Transmission – Features 8x 10/100M RJ45 ports (4x PoE + 4x non-PoE) for seamless network expansion.

Wide Voltage Input (90V~264V AC) – Supports global power standards, ensuring compatibility in different regions.

Dual PoE Standards Support – Compliant with IEEE 802.3af (15.4W) and IEEE 802.3at (25.4W), offering flexible power options for various devices.

Versatile Power Delivery Modes – Supports both Alternative A (data line pair 1/2+, 3/6-) and Alternative B (spare pair 4/5+, 7/8-) wiring methods.

Silent & Compact DesignFanless cooling system with natural heat dissipation, making it ideal for office, surveillance, and small network deployments.

Space-Saving Installation – Compact size allows for desktop or wall mounting, perfect for clutter-free setups.


Technical Indexes

Parameter

Specifications



Features


Conforms to IEEE802.3af standard RJ-45

Conforms to IEEE802.3af standard RJ-45

Data Input Interface 4*RJ-45 10/100Base-TX/

Data Input Interface 4*RJ-45 10/100/1000Base-TX

Output Port Power Cable Included

Data Rate

10/100Mbps

10/100/1000Mbps

Input Power

90-240V AC ,50-60Hz

Output Power

4*15.4W Max IEEE802.3af

4*30W Max IEEE802.3at

Wiring

Data provide over pairs 1/2(+) and 3/6(-)

Power over spare pairs 4/5(+) and 7/8(-)

LED Display

YES

Operating Temperature

0 to +40°C,

Humidity

Max. 95% RH(non-condensing)

Dimension

280X186X44(H×D×W)

Weight

2.08KG


Application:

4-Port PoE Injector Application Scenarios & Key Benefits

This 4-Port PoE injector (Power over Ethernet mid-span) is ideal for deploying IP-based devices in environments where network power supply is required. Key applications include:

Surveillance Systems – Powers IP cameras (PoE CCTV), PTZ cameras, and NVR systems over Cat5e/Cat6 cables, eliminating the need for separate power adapters.

Wireless Networks – Supports Wi-Fi access points (PoE APs), mesh nodes, and outdoor routers for seamless network expansion.

VoIP & Communication – Provides stable power to IP phones (VoIP phones) and intercom systems in office/enterprise networks.

Smart Building & IoT – Compatible with PoE lighting, sensors, and access control systems, enabling centralized power management.

Small/Medium Business (SMB) Networks – A cost-effective alternative to PoE switches, perfect for retail stores, hotels, and schools needing plug-and-play installation.

4-Port PoE Injector IEEE 802.3af/at Compliant Fanless Design Wall Mountable



Product Tags:

Wall Mountable PoE Injector

      

Fanless PoE Injector

      

4 port PoE Injector

      
Quality 4-Port PoE Injector IEEE 802.3af/at Compliant Fanless Design Wall Mountable for sale

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