Planet IXT-900-1X1UP User Manual page 173

 PD Type
 Priority
 PD Class
DC supply and pins 3-6 (pair #3 in both T568A and T568B)
provide the return.
Maximum power is 36.0 watts.
 802.3bt: Set inline mode to IEEE 802.3bt PoE++ Type-4 or Type-3 PSE.
Pins 1-2 (pair #2 in both T568A and T568B) form one side of the
DC supply and pins 3-6 (pair #3 in both T568A and T568B)
provide the return.
Pins 4-5 (pair #1 in both T568A and T568B) form one side of the
DC supply and pins 7-8 (pair #4 in both T568A and T568B)
provide the return.
Maximum power is 60~95 watts.
It allows user to enable legacy mode or force power function in a specified PoE
Inline mode.
 Standard: (default)
Fully conforms to the IEEE 802.3 at/bt standard
 Legacy:
The legacy detection is to identify the valid current signature of the
PDs that do not fully follow the IEEE 802.3af/at standard. This
protects against damage to the PDs as the right PoE mode is
applied.
 Force:
Once the force power is enabled, the PoE port will ignore the PoE
classification behaviors and directly deliver power over UTP cable no
matter what Ethernet device is attached, or even there is no Ethernet
cable plugged.
Please be careful when using force power function and make sure
the remote device is PoE powered device (PD).
The Priority represents PoE ports priority. There are three levels of power priority
named Low, High and Critical.
The priority is used in case the total power consumption is over the total power
budget. In this case the port with the lowest priority will be turned off, and offer
power for the port of higher priority.
Displays the class of the PD attached to the port, as established by the
classification process. Class 0 is the default for PDs. The PD is powered based on
PoE Class level if the system is working in Classification mode. The PD will return
to Class 0 to 4 in accordance with the maximum power drawn as specified by
Table 4-7-1.
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User's Manual of IXT-900 PoE series