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Instruction Manual

DE: Bedienungsanleitung - de.startech.com

FR: Guide de l'utilisateur - fr.startech.com

ES: Guía del usuario - es.startech.com

IT: Guida per l'uso - it.startech.com

NL: Gebruiksaanwijzing - nl.startech.com
PT: Guia do usuário - pt.startech.com

Manual Revision: 04/12/2021

For the most up-to-date information, please visit: www.startech.com

Packaging Contents

•  1x 4 Port Gigabit PoE+ Injector

•  1x Universal Power Adapter

•  4x Power Cords (NA/UK/EU/AU)

•  1x Instruction Manual

System Requirements

•  RJ45 terminated Cat5 or higher Ethernet cabling

•  10/100/1000 Mbps compatible Ethernet network

•  Available AC electrical outlet

Product Overview

Front View

POEINJ4G

4 Port Gigabit PoE+ Injector Midspan Hub 54V / 30W - 802.3at / 802.3af

*actual product may vary from photos

LEDs

DC Power Input

RJ45 Gigabit Data Ports

RJ45 Gigabit PoE Ports

Side View - Data Only

Side View - PoE (Data and Power)

LED Indicators

LED

Indication

Power (Green)

Solid: 

 Indicates that the POEINJ4G is 

powered on

PoE in-Use(Green)*

Solid: 

 Indicates that the specific 

port (1 to 4) has a PoE or PoE+ device 

connected

Installation and Operation

The POEINJ4G can be installed between a regular Ethernet switch 

and PoE powered devices, and will provide power to the connected 

PoE powered devices without impacting regular data transmission 

performance. 

1.  Ensure there are no devices connected to the Data & Power (PoE) 

ports prior to connecting the Power Adapter to the POEINJ4G.

2.  Connect the provided Power Cord for your region (NA, UK, or EU) 

to the provided Power Adapter, then to an AC electrical outlet. 

Then connect the Power Adapter to the DC Power Input on the 

POEINJ4G. Ensure that the “Power” LED is lit. 

3.  Using RJ45 Ethernet cable, connect up to four source network 

devices (i.e. router, switch, computer, etc.) to the Gigabit Data 

Ports on the POEINJ4G.

4.  Using RJ45 Ethernet cable, connect up to four  PoE (802.3af 15W) 

or PoE+ (802.3at 30W) complaint device(s) to the Gigabit PoE 

Ports on the POEINJ4G. 

*Depending on your application, alternatively you can connect the 

Ethernet cable to a PoE splitter device to separate data and power at 

the remote end (for use with a non-PoE powered device).

Note:

 If the input DATA line contains any PoE power, the PoE In-Use 

LED for that port may not light up.

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