User Manual

Table Of Contents
8-Port and 16-Port Gigabit Ethernet Plus Click Switch
Manage Power over Ethernet User Manual67
8. Click the Apply button.
Your settings are saved.
The following table describes the nonconfigurable fields on the PoE Port Configuration
page.
Power Limit Type The power limit type controls the maximum power that a port can deliver. Select
one of the following types:
• None. The port draws up to Class 0 maximum power in low power mode and
up to Class 4 maximum power in high power mode.
• Class. The port power limit is equal to the class of the attached PD.
• User. The port power limit is equal to the value that is specified in the
Power
Limit(W) field. This is the default setting.
Note: If a PD does not report its class correctly, use of these options can preserve
additional PoE power by preventing the switch from delivering more power than the
PD requires. However, depending on which option you select, a PD that does not
report its class correctly might not power up at all.
Power Limit (W) Enter the maximum power (in watts) that the port can deliver.
The range is 3.0–30.0W, with 0.1W steps. The default is 30W.
Detection Type The detection type specifies how the port detects the attached PD. Select one of
the following types:
• IEEE 802. The port performs a 4-point resistive detection. This is the default
setting.
• 4pt 802.3af + Legacy. The port performs a 4-point resistive detection, and if
required, continues with legacy detection.
• Legacy. The port performs legacy detection.
Field Description
Class The class defines the range of power a powered device (PD) is drawing from the
switch. The class definitions are as follows:
• 0: 0.44–16.2W
• 1: 0.44–4.2W
• 2: 0.44–7.4W
• 3: 0.44–16.2W
• 4: 0.44–31.6W
• Unknown. The class cannot be detected, or no PD is attached to the port.
Output Voltage (Volts) The voltage that is delivered to the PD in volts.
Output Current (mA) The current that is delivered to the PD in mA.
Output Power (W) The power that is delivered to the PD in watts.
Temperature The temperature detected at the port, measured in degrees Celsius.
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