Can this be powered by POE and then in turn power end devices?

No. This requires a power supply to generate the inline power. You would not get enough power on a single POE connection to power 4 output connections.

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StarTech POEINJ4G 4-port Gigabit midspan - PoE+ injector - 802.3at / af

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Deliver power and data to four PoE-powered devices (PD) using this wall-mountable PoE+ midspan hub
4 Port Gigabit Power over Ethernet Midspan
802.3at and 802.3af
Wall-mountable Power over Ethernet Injector
Delivers more power with up to 30W per port
Eliminate the cost and hassle of upgrading your existing ethernet switch to a PoE-capable model
Desktop-sized housing with flexible and easy plug-and-play operation
Detects your PoE PDs and provides the proper level of power
PoE Plus

This item is covered under the Manufacturer Only Return Policy.

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Deliver power and data to four PoE-powered devices (PD) using this wall-mountable PoE+ midspan hub - 4 Port Gigabit Power over Ethernet Midspan - 802.3at and 802.3af - Wall-mountable Power over Ethernet Injector - Delivers more power with up to 30 w per port - Eliminate the cost and hassle of upgrading your existing ethernet switch to a PoE-capable model - Desktop-sized housing with flexible and easy plug-and-play operation - Detects your PoE PDs and provides the proper level of power - PoE Plus.

Model
Brand	StarTech.com
Model	POEINJ4G

Details
Type	PoE Injector
Color	Black
Specifications	Industry Standards: IEEE 802.3af PoE, IEEE 802.3at PoE+ IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T Ports: 4 Maximum Cable Length: 328 ft [100 m] Maximum Data Transfer Rate: 2 Gbps (Full-Duplex) MTBF: 50,000 Hours Power Output: 52V DC at 30.8W (PoE+) Connector Type(s): 8 - RJ-45 Female Enclosure Type: Steel LED Indicators: 1-Power, 4-PoE In-Use Center Tip Polarity: Positive Input Current: 2-1 A Input Voltage: 100 ~ 240 AC Output Current: 2.31 A Output Voltage: 52 DC Plug Type: M Power Consumption: 120 W Max Power Source: AC Adapter Included Included in Package: 1 - 4 Port Gigabit PoE+ Injector 1 - Universal Power Adapter 3 - Power Cords (NA/UK/EU) 1 - Instruction Manual

Features
Features	Deliver power and data to four PoE-powered devices (PD) using this wall-mountable PoE+ midspan hub - 4 Port Gigabit Power over Ethernet Midspan 802.3at and 802.3af Wall-mountable Power over Ethernet Injector Delivers more power with up to 30 w per port Eliminate the cost and hassle of upgrading your existing ethernet switch to a PoE-capable model Desktop-sized housing with flexible and easy plug-and-play operation Detects your PoE PDs and provides the proper level of power PoE Plus

Additional Information
First Listed on Newegg	May 13, 2015

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Warranty

Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
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StarTech POEINJ4G 4-port Gigabit midspan - PoE+ injector - 802.3at / af

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Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16833996341

Best Sellers

StarTech POEINJ4G 4-port Gigabit midspan - PoE+ injector - 802.3at / af

Learn more about the STARTECH POEINJ4G

Customer Reviews of the STARTECH POEINJ4G

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info