
Installing the Switch
19
NXA-ENET24 Hardware Installation Guide
Use the Mode Link/PoE button (see the
Port Status PoE/Link Button
section on page 20) on the front panel to
toggle between the two display modes. The current mode is indicated by the Link/Act and PoE system LEDs.
Port Status LEDs
LED
Condition
Status
1~24
(Link/Act
Mode)
On/Flashing Green
Port has established a valid 100 Mbps network connection. Flash-
ing indicates activity.
On/Flashing Amber
Port has established a valid 10 Mbps network connection. Flashing
indicates activity.
Alternate Green/Amber Port has been disabled by the administrator.
Off
There is no valid link on the port.
1~24
(PoE Mode)
On Green
Powered device is connected, but not drawing power.
Flashing Green
Powered device is receiving power.
Flashing Amber
Port has detected a power overload or short circuit and shut down
the port’s power.
On Amber
The power budget for the switch has been exceeded and the port's
power shut down.
Alternate Green/Amber Port has been disabled by the administrator.
Off
No powered device is connected to the port.
System Status LEDs
LED
Condition
Status
PWR
On Green
Unit’s internal power supply is operating normally.
Off
Unit has no power connected.
Diag
On Green
System diagnostic test successfully completed.
Flashing Green
System diagnostic test is in progress.
On Amber
System diagnostic test has detected a fault.
Flashing Amber
Cannot receive packet from stacking port.
Alternate Green/Amber Fan has failed or the unit has over-heated.
Stacking
On Green
This switch is acting as the master unit in the stack.
Flashing Green
Initial state of stacking configuration to determine whether the
switch will act as a master or slave unit.
On Amber
This switch is acting as a slave unit in the stack.
Link/Act
On Green
LED display mode is Link/Act.
PoE
On Green
LED display mode is PoE.
Combination Ports
25-26
(Link/Activity)
On/Flashing Amber
Port has established a valid 10/100 Mbps network connection.
Flashing indicates activity.
On/Flashing Green
Port has established a valid 1000 Mbps network connection.
Flashing indicates activity.
Off
There is no valid link on the port.
FIG. 11
System LEDs
System Status LEDs