3Com Switch 4500 26-Port, Руководство по настройке

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78 C
HAPTER
4: P
OWER OVER
E
THERNET
C
ONFIGURATION
to guarantee the power feeding to the PD that will be connected to the
Ethernet1/0/24 even when the Switch 4500 PWR is in full load.
Network Diagram
Figure 20 PoE Remote Power Supply
Configuration Procedure
Update the PSE processing software online.
[4500] poe update refresh 0290_021.s19
Enable the PoE feature on the Ethernet1/0/1, Ethernet1/0/2, and Ethernet1/0/24
ports (the feature is enabled by default, so this step can be ignored).
[4500-Ethernet1/0/1] poe enable
[4500-Ethernet1/0/2] poe enable
[4500-Ethernet1/0/24] poe enabl
e
Set the maximum power output of Ethernet1/0/1 and Ethernet1/0/2 to 12000 and
3000 mW respectively.
[4500-Ethernet1/0/1] poe max-power 12000
[4500-Ethernet1/0/2] poe max-power 3000
Set the priority of Ethernet1/0/24 to
critical
to guarantee the power feeding to
the AP to which this port connects.
[4500-Ethernet1/0/24] poe priority critical
Set the power supply management mode on the switch to
auto
(it is the default
mode, so this step can be ignored).
[4500] poe power-management auto
Enable the PD compatibility detect of the switch to allow the switch to supply
power to part of the devices noncompliant with the 802.3af standard.
[4500] poe legacy enable