Black Box LPB2910A, User Manual

Page: 152 / 367

Publication date: Sept, 2015
Revision A1
140
2. Specify the Reserved Power determined and Power Management mode. Specify the PoE or PoE++
and Priority.
3. Click Apply.
Figure 2-­‐13.1: The PoE Configuration
Parameter description:
Power Supply Configuration

Reserved Power determined by:
There are three modes for configuring how the ports/PDs may reserve power.
1. Allocated mode: In this mode, the user allocates the amount of power that each port may
reserve. The allocated/reserved power for each port/PD is specified in the Maximum Power fields.
2. Class mode: In this mode, each port automatically determines how much power to reserve
according to the class the connected PD belongs to, and reserves the power accordingly. Four
different port classes (for 4, 7, 15.4, or 30 Watts). In this mode the Maximum Power fields have no
effect.
3. LLDP-­‐MED mode: This mode is similar to the Class mode except that each port determines the
amount of power it reserves by exchanging PoE information using the LLDP protocol and reserves
power accordingly. If no LLDP information is available for a port, the port will reserve power using
the class mode. In this mode, the Maximum Power fields have no effect. For all modes: If a port
uses more power than the reserved power for the port, the port is shut down.

Power Management Mode:
There are 2 modes for configuring when to shut down the ports:
1. Actual Consumption: In this mode, the ports are shut down when the actual power consumption