Use PoE injector with PD to expand your network to where there are no power lines or outlets,where you wish to fix devices such as AP ,IP camera or IP Phone etc.

This PoE injector is a single port Gigabit PoE injector offer a compact and cost effective,it can convert standard 100-240V ac power into low-voltage.DC that runs over existing LAN cable to power up IEEE 802.3af/at compliant network accessories. Remote powering of wireless LAN(WAN) access points,IP security cameras,VoIP telephone and other low port density installations.

Features: Up to 15.4W/30W of Power on 2-pairs for IEEE802.3at and IEEE802.3af POE Devices
Supports 10/100/1000 Base-T applications
Led indicators power input and PoE output
Internal AC/DC converter no need for external power brick
Easy plug and play installation
Muti-protection,

Specification:
Pass Through Data Rates: 10/100/1000Mbps
Output Power Voltage: 54~55VDC
PoE Port Power: 30W max
AC Input Voltage: 100-240VAC
Ac Input Current: 0.5A 100-240VAC
AC Frequency: 50 to 60 HZ
Dimensions: 85x42x30 mm & 3.3x1.65x1.18 in
System Indicator: AC power
Connectors: shielded RJ-45,EIA 568A and 568B
Operating Ambient Temperature: -0 to 40 ℃
Storage Temperature: -40 to 60 ℃

Installation Steps:
1.Use a CAT5 UTP cable to connect port of Ethernet devices to the LAN port
2.Connect AC cable with Injector and Socket
3.Connect the PoE OUT port to a PD with CAT5 UTP cable