3com 8807 사용자 가이드
726
C
HAPTER
61: P
O
E C
ONFIGURATION
■
The reserved power for a blank slot will be recycled automatically by the system
if you insert a PoE-incapable card into the slot.
if you insert a PoE-incapable card into the slot.
■
When a card is almost fully loaded and a new PD is added, the switch will
respond to the PD according to the PoE priority set on the port.
respond to the PD according to the PoE priority set on the port.
■
The PoE priority of each port is based on its card. In other words, the switch
cannot compare the priorities of ports on different cards.
cannot compare the priorities of ports on different cards.
■
The sampling cycle of the power, current and voltage of ports is 1 second; the
sampling cycle of the peak power and average power of both cards and ports
is 5 minutes
sampling cycle of the peak power and average power of both cards and ports
is 5 minutes
Displaying PoE
Configuration
After the above-mentioned configuration, you can use the display command in
any view to view the operating state, so as to verify configuration result.
any view to view the operating state, so as to verify configuration result.
Comprehensive
Configuration
Example
Configuration
Example
Network requirements
■
Two PoE-capable cards are installed in slots 3 and 5 on an Switch 8800 Family
series routing switch.
series routing switch.
■
GigabitEthernet3/1/1 through GigabitEthernet3/1/48 are connected with IP
phones and GigabitEthernet5/1/1 through GigabitEthernet5/1/48 are
connected with access point (AP) devices.
phones and GigabitEthernet5/1/1 through GigabitEthernet5/1/48 are
connected with access point (AP) devices.
■
The IP phones connected to GigabitEthernet3/1/23 and GigabitEthernet3/1/24
do not need PoE.
do not need PoE.
■
GigabitEthernet3/1/48 is reserved for the use of network management, so it
needs higher priority.
needs higher priority.
■
Slot 3 is provided with 400 W power and slot 5 is provided with full power.
■
The input power of the AP device connected to GigabitEhternet5/1/15 cannot
be greater than 9000 mW.
be greater than 9000 mW.
Table 670 Display PoE configuration on a Switch 8800 Family switch
No Operation
Command
Description
1
Display the PoE state(s) of a
specific or all ports
specific or all ports
display poe interface [
interface-type interface-num
]
interface-type interface-num
]
You can execute this
command in any view.
Executing the display poe
interface command
without any option displays
the PoE states about all the
ports.
command in any view.
Executing the display poe
interface command
without any option displays
the PoE states about all the
ports.
2
Display the PoE power
information of a specific or
all ports of the switch
information of a specific or
all ports of the switch
display poe interface
power [interface-type
interface-num ]
power [interface-type
interface-num ]
You can execute this
command in any view.
Executing the display poe
interface power command
without any option displays
the PoE power information
about all the ports.
command in any view.
Executing the display poe
interface power command
without any option displays
the PoE power information
about all the ports.
3
Display the PoE state and
PoE power information of
each card
PoE power information of
each card
display poe pse
You can execute this
command in any view.
command in any view.
4
Display the information
about a card powered by
PoE
about a card powered by
PoE
display poe slot slotnum
You can execute this
command in any view.
command in any view.