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China factory - E-link China Technology Co.,LTD

E-link China Technology Co.,LTD

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  3. 4-Port 10/100M Passive POE power supply Are used to power the two unused pairs
China 4-Port 10/100M Passive POE power supply Are used to power the two unused pairs
China 4-Port 10/100M Passive POE power supply Are used to power the two unused pairs

  1. China 4-Port 10/100M Passive POE power supply Are used to power the two unused pairs

4-Port 10/100M Passive POE power supply Are used to power the two unused pairs

  1. MOQ： 1pcs
  2. Price： US$5-US$6
  3. Get Latest Price
Payment Terms T/T,Western Union,MoneyGram,PayPal
Supply Ability 1000/Month
Delivery Time 1-3 working days
Packaging Details HDMI Fiber PoE Injector Standard Carton Packaging
Input  Voltage 12-57Vdc
Input Current 1.5A max
Output Voltage / Power 12-57Vdc, 1.5A max
Warranty 3 year
Storage Temp (-)20 to 85 ℃ ( -22 to 158 ℉)
LED indicator Power on, Green (With Plastic enclosure)
Brand Name E-link
Model Number LNK-POE-4P
Certification ISO9001, CE, ROHS, FCC
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,Western Union,MoneyGram,PayPal Supply Ability 1000/Month
Delivery Time 1-3 working days Packaging Details HDMI Fiber PoE Injector Standard Carton Packaging
Input  Voltage 12-57Vdc Input Current 1.5A max
Output Voltage / Power 12-57Vdc, 1.5A max Warranty 3 year
Storage Temp (-)20 to 85 ℃ ( -22 to 158 ℉) LED indicator Power on, Green (With Plastic enclosure)
Brand Name E-link Model Number LNK-POE-4P
Certification ISO9001, CE, ROHS, FCC Place of Origin China

4-Port 10/100M Passive POE power supply

Model : LNK-POE-4P


Overview

The device in focus is a high-practical 4-Port 10/100M Passive POE power supply, engineered to
deliver remote power to up to 4 terminal devices via Ethernet wiring—extending transmission distance
to 100 meters (328 ft) while maintaining stable 10/100M data connectivity. As a dedicated 4-Port 10/100M
Passive POE power supply, it serves as a cost-effective solution to add PoE capabilities to any non-PoE
Ethernet switch or router, eliminating the need to replace existing network infrastructure.
​
This 4-Port 10/100M Passive POE power supply specializes in injecting electrical power into CAT-5, CAT-6,
or CAT-7 Ethernet cables, leveraging the passive PoE transmission mechanism: standard Ethernet uses 2
of the 4 twisted pairs for data, while this device utilizes the unused 4/5 pins for positive power and 7/8 pins
for ground—ensuring no interference between power delivery and 10/100M data transmission. Each of its
4 ports operates independently, providing consistent passive power to connected devices without mutual
signal disruption, making it ideal for scenarios requiring multi-device power centralization.
​
Widely compatible with popular network equipment, the 4-Port 10/100M Passive POE power supply is perfectly
suited for powering IP cameras (dome, bullet, or small PTZ models), IP videophones, WiFi access points, and
other passive PoE-enabled devices. Its 4-port design allows simultaneous power supply for a small-scale device
cluster—such as a 4-camera retail surveillance setup or a multi-point office WiFi network—streamlining deployment
by centralizing the power source.
​
Designed for ease of use and cost efficiency, this 4-Port 10/100M Passive POE power supply supports plug-and-
play operation with no software configuration required. It eliminates the need for separate power adapters and
extra wiring, drastically reducing material costs and on-site installation manpower. Whether deployed in small
businesses, residential communities, or retail stores, it combines 10/100M data compatibility, 4-device power
capacity, and passive PoE reliability to offer a flexible, budget-friendly solution for extending power and network 
connectivity to distributed edge devices.​
​

Features

► Panel 4 integrating passive POE injector suitable for powering up to eight devices.

► The RJ45 connectors on one side are connected Ethernet ports with no power (switch) on the opposite side of the device used to connect power for Ethernet cable.

► Are used to power the two unused pairs of the Ethernet cable

► Power couples: 4.5 (positive pole) / 7.8 (negative pole)


Technical Indexes

Type

Passive POE power supply

Input  Voltage

12-57Vdc

Input Current

1.5A max

 Input Type

 Passive 

Output Voltage / Power

12-57Vdc, 1.5A max

Output type

Single output

4*RJ45 connector ---POE

4*RJ45 connector ----LAN

Ethernet speed

10/100Mbps  

Pin 45+78-, 2 pairs

Internet standard

 NO Compliance  IEEE802.3AF/802.3AT 

Material

Plastic

Approval

 CE/ROHS/FCC

Warranty

 3 year

Output Ripple

1% Max

Efficiency

≥80%

Response Time

<1ns

Combined Load Regualtion

±3%

Combined Line Regualtion

±5%

LED indicator

Power on, Green   (With Plastic enclosure)

Operating Temp

0 to 40℃ (32 to 104℉)

Storage Temp

(-)20 to 85 ℃  ( -22 to 158 ℉)

Operating Humidity

10~ 90% Non condensing


Ordering Information

LNK-POE-4P

4-Port 10/100M Passive PoE Power Supply: 4*RJ45 connector(POE) + 4*RJ45 connector(LAN), Input Voltage-12~57V, Output Voltage-12-57VDC 1.5A max


Application


Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2001

  • Total Annual:

    >10000000

  • Employee Number:

    21~200

  • Ecer Certification：

    Verified Supplier

Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China. Our main products include: Fiber Media Converters Industrial Ethernet PoE switchs  P... Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China. Our main products include: Fiber Media Converters Industrial Ethernet PoE switchs  P...

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Get in touch with us

  • Reach Us
  • E-link China Technology Co.,LTD
  • 5F, Building D South, Jinshenghui Science Park, No. 3, Dafu Road, Fucheng Street, Guanlan, Longhua District, Shenzhen, China
  • https://www.industrialpoeswitches.com/

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