Cisco Cisco Aironet 1552WU Outdoor Access Point Guía De Instalación

To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to 
telephone-network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports 
contain TNV circuits. Some LAN and WAN ports both use RJ-45 connectors. Use caution 
when connecting cables. Statement 1021

The power injector Ethernet cables are limited to a total length 328 ft (100 m) maximum from 
the switch to the access point. Also, the Ethernet cable from the power injector to the access 
point is limited to a minimum of 10 ft.

The PoE-out port on the access point is disabled when using the power injector.

Plug an appropriate power cord into the three-pronged receptacle on the end of the Power Injector

Connect the other end of the power cord into a 100-VAC to 240-VAC power source

You can use the power injector LEDs to assess the unit status. Two indications are available: solid green 
or dark. The LED descriptions are:

AP POWER—Turns solid green after successful discovery; indicates that power injector is 
supplying power to the access point.

FAULT—Turns solid red when a fault is experienced during discovery mode or power-up.

AC POWER—Turns solid green when power injector is receiving AC power and is ready to provide 
power to the access point.

This section describes the pin signals of the power injector input and output connectors. 

describes the RJ-45 pin signals of the power injector input connector (TO SWITCH.

1

Ethernet signal pair (10/100/1000Base-T)

2

3

Ethernet signal pair 10/100/1000Base-T)

6

4

Ethernet signal pair (1000Base-T)

5