DS-3D2228P Hardware Installation Manual
- 2 -
If the indicator flickers, the system works
normally.
3
POE
POE
指示灯
POE indicator
If the POE indicator is on, it means that
24 indicators on the right side show the
state of the POE port.
4
CONSOLE
Console port
Manages the switch locally.
5
1-24
24 electrical port with the
POE function
Forward the 10/100M Ethernet electrical
signals and provide the POE function.
Their peers can be connected to the PD
devices which satisfy the IEEE 802.3af
standard.
6
G1-G4
Gigabit-Ethernet
optical
port
Forwards the 1000M Ethernet optical
signals.
7
G1-G4
Gigabit-Ethernet electrical
port
Forwards the 10/100/1000M Ethernet
electrical signals.
8
LINK/ACT
Normal
mode
of
the
indicator:
indicating
the
LINK/ACT state of each
port
POE mode of the indicator:
indicating the POE power
supply state of each port
Normal mode:
If the indicator is always on, the link on
the port is normal.
If the indicator flickers, the data is
received or transmitted through the port.
POE mode:
If the indicator is always on, the port is
powered through the POE mode.
If the indicator is off, the port is not
supplied with power.
9
SWAP
A shift key for exchanging
the normal mode with the
POE mode of the indicator
If you press the shift key in normal
mode, the indicator will enter the POE
mode. If you press again, the indicator
will enter the normal mode again.
If you leave the key alone for 30
seconds in POE mode, the indicator
automatically enters the normal mode.
Figure 0-2 Rear template of the DS-3D2228P switch
