The upper Rj45 sockets is for “LAN/Switch/PC ” 1/2  pins & 3/6 pins are transmitting data. The under RJ45 (power+data) socket is to deliver data and power: 1/2 pins &3/6 pins  transmitting data, 4/5(+)&7/8(-) for power. 

Each socket provides protection against short overflow (current protection 650mA ±15%).

The configuration size of panel is?1U (height), 19” (width) and 25mm (thickness)

- 16 x 10/100M  Ethernet ports

- Flexible power(DC 24V TO 57V)

- Each Port Current Protection (650mA)

- For 19’’ Rack

Model: EXTRALINK POE INJECTOR 16 PORT

Input: 100-240V AC 50/60Hz

Output: 12 TO 48 V 160W (Min)

Data: 1/2&3/6

Power: 4/5 V+ & 7/8 V-

Weight 16 Port: 1.0Kg

Dimensions: 482.6mm×44.3mm×25mm

Case of material: metal work material

Ethernet Cable: TIA/EIA 568 Cat. 5

Data rate: 10/100Mbps

Connector: RJ-45

Operating Temperature: 0°C ~ 40°C

Storage Temperature: -40°C~+70°C

Operating Humidity: 10%~80%RH

Storage Humidity: 5%~90%RH

Certification: CE