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Status LEDs
The LEDs, which are located on the front panel for easy viewing,
are shown below and described in the following table.
Figure 1-2. Port and System LEDs
Port and System Status LEDs
LED Condition Status
Power On Switch is receiving power.
Flashing Firmware download or POST in progress.
SNMP Flashing Switch is processing an SNMP command.
Console On One or more management connections
established (console or Telnet).
RJ-45 Ports
Link On Port has established a valid network
connection.
Off Port has no connection.
Status* Displays state for selected status mode.
COL* Flashing Indicates collision on half-duplex links.
ACT* Flashing Shows that traffic is crossing the port.
FDX* On Port is operating at full duplex.
Off Port is operating at half duplex.
100M* On Port is operating at 100 Mbps.
Off Port is operating at 10 Mbps.
* Use the Status button to select LED display mode.
Status
Link
Link
Status
Status
M2
M1
FDX
ACT
COL
100M
Power
SNMP
Console
123 4 5 6 7 89101112
13
14
15 16
17
18 19
20
21 22
23
24