3Com WL-548A Handbuch zur Schnellinstallation - Seite 7

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5. Connecting Power and the Network

The sensor connects to your network through its Ethernet port. This is also how the unit receives

power. The sensor can be powered by the following methods:

•

By Power Over Ethernet (PoE) supplied through the LAN by a 802.3af PoE compliant device

such as a switch or hub.

•

By PoE supplied by an optional 3Com PoE injector (not included). 3Com PoE injectors include

the 3CNJPSE and 3CNJPSE24 midspan supplies.

Power Over Ethernet (PoE) from the LAN

To power the sensor using PoE provided by a switch or other 802.3af compliant device, simply

plug the network cable from the device into the sensor's Ethernet port.

Sensor

To power the sensor using a 3Com PoE Injector (available separately), do the following:

Connect the LAN cable from the switch or hub to the Hub/Switch port on the 3Com PoE

Injector (available separately).

Next connect a LAN cable from the Ethernet port on the sensor to the other port on the PoE

injector.

Plug the PoE Injector into a properly grounded electric outlet.

PoE Injector

To Sensor

Sensor

PoE Switch/Hub

To Switch/Hub

Switch/Hub

(non-PoE)

Switc h

h WX12

WX12 00

ess LAN

LAN Switc

95A Wirel

Wirel ess

X1206

95A

3CRW