Poe - ZyXEL Communications GS1900 Series User Manual

8.3 PoE

Note: The PoE function and the following screens are available for models ending in "HP"
only.
The Switch supports both the IEEE 802.3af Power over Ethernet (PoE) and IEEE 802.3at High Power
over Ethernet (PoE) standards. The Switch is Power Sourcing Equipment (PSE) because it provides
a source of power via its Ethernet ports, and each device that receives power through an Ethernet
port is a Powered Device (PD).
In the figure below, the IP camera and IP phone get their power directly from the Switch. Aside
from minimizing the need for cables and wires, PoE removes the hassle of trying to find a nearby
electric outlet to power up devices.
Figure 53 Powered Device Examples
PD
You can also set priorities so that the Switch is able to reserve and allocate power to certain PDs.
Note: The PoE devices that supply or receive power and their connected Ethernet cables
must all be completely indoors.
To view the current amount of power that PDs are receiving from the Switch, click Monitor > Port
> PoE.
Figure 54 Monitor > Port > PoE
Each field is described in the following table.
Table 27 Monitor > Port > PoE
LABEL
PoE Mode
Total Power(W)
Consuming
Power(W)
Chapter 8 Monitor: Port
PSE
PD
DESCRIPTION
This field displays the power management mode used by the Switch, whether it is in
Classification or Consumption mode.
This field displays the total power the Switch can provide to the connected PoE-enabled
devices on the PoE ports. The total power of GS1900-10HP is 77W and GS1900-8HP is
70W.
This field displays the total amount of power the Switch is currently supplying to the
connected PoE-enabled devices.
GS1900 Series User's Guide
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