PoE++ and PoE+ overview
Model MS108EUP provides up to 60W PoE++ (IEEE 802.3bt) to each PoE++ port (1–4),
and up to 30W PoE+ (IEEE 802.3at) to each PoE+ port (5–8). The maximum PoE power
budget across all active PoE++ and PoE+ ports is 230W.
The PoE++ and PoE+ power supplied by the switch is prioritized in ascending port
order (from port 1 to port 8), with a total power budget of 230W across all active PoE+
ports.
The following table shows the standard power ranges, calculated with the maximum
cable length of 328 feet (100 meters). If a device receives insufficient PoE power from
the switch, consider using a shorter cable.
Table 3. PoE classes and PoE power allocations
Power Delivered to the DeviceMaximum Power
Supplied by the Switch
Class DescriptionCompatible PoE StandardDevice
Class
0.44W–13.0W15.4WDefault power (full)PoE, PoE+, and PoE++0
0.44W–3.84W4.0WVery low powerPoE, PoE+, and PoE++1
3.84W–6.49W7.0WLow powerPoE, PoE+, and PoE++2
6.49W–13.0W15.4WMid powerPoE, PoE+, and PoE++3
13.0W–25.5W30.0WHigh powerPoE+ and PoE++4
25.5W–40.0W45.0WUltra high powerPoE++5
40.0W–51.0W60.0WUltra high powerPoE++6
Monitor PD health
You can use PD health monitoring to test the health of a PD that is connected to a PoE
port. You can enable automated ping tests that check for connection faults, and you
can restart PoE power to the PD.
Note: Wait a few minutes after attaching the PD before you start the PD health monitor.
To display the status of the PD:
1.
Open a web browser from a computer that is connected to the same network as the
switch, or connected directly to the switch through an Ethernet cable.
2. Enter the IP address that is assigned to the switch.
A login window opens.
User Manual93Maintain and Monitor the Switch
8-port Ultra60 PoE++ Multi-Gigabit (2.5G) Ethernet Plus Switch
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