ZyXEL Communications GS1900 Series User Manual page 72

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.
Powered Device Examples
Fig ure 74
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
Fig ure 75
Each field is described in the following table.
Table 29 Monitor > Port > PoE
L ABEL DESC RIPT IO N
PoE Mode This field displays the power management mode used by the Switch, whether it is in
C la ssific a tio n
Total Power(W) 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 77 W and GS1900-8HP is 70 W.
Consuming This field displays the total amount of power the Switch is currently supplying to the
Power(W) connected PoE-enabled devices.
Allocated Power(W) This field displays the total amount of power the Switch (in
reserved for PoE after negotiating with the connected PoE devices. It shows
Switch is in
C o nsum ing Po we r (W)
(W)
Remaining Power(W) This field displays the amount of power the Switch can still provide for PoE.
Note: The Switch must have at least 16 W of remaining power in order to supply power to a
PoE device, even if the PoE device needs less than 16 W.
Chapter 8 Monitor: Port
or mode.
C o nsum ptio n
mode.
C o nsum ptio n
can be less than or equal but not more than the
.
GS1900 Series User's Guide
72
> >
Mo nito r Po rt
mode) has
C la ssific a tio n
when the
NA
Allo c a te d Po we r
.
Po E