Chapter 3 Hardware Panels
NSW Series User’s Guide
22
3.3 LEDs
After you connect the power to the NSW, view the LEDs to ensure proper functioning of the NSW and as
an aid in troubleshooting.
Note: Please refer to Nebula Device Startup LED Guide, for more information about the
system and locator LEDs when they light up at the same time.
The following table is for NSW100 Series.
Table 2 LED Descriptions for NSW100 Series
LED
C O LO R
STATUS
DESC RIPTIO N
PWR
Green
On
The system is turned on.
Off
The system is off or has failed.
SYS
Green
On
The system is on and functioning properly. The NSW can connect to the
Nebula Control Center.
Blinking
The system is rebooting and performing self-diagnostic tests.
If the system LED is blinking green with the alarm LED blinking red, it means the
NSW cannot connect to the Nebula Control Center.
Off
The power is off or the system is not ready/malfunctioning.
ALM
Red
On
The system is having a hardware failure, such as high device temperature,
wrong voltage, or abnormal fan speed.
Blinking
If the alarm LED is blinking red with the system LED blinking green, it means the
NSW cannot connect to the Nebula Control Center.
Off
The system is functioning normally.
Locator
Blue
Blinking
Shows the actual location of the NSW between several devices in a rack. The
default timer is 30 minutes when you are configuring the NSW.
Off
The locator is not functioning or malfunctioning.
10/100/1000Base-T Ports
1-8 (NSW100-
10P/NSW100-10)
1-24 (NSW100-
28P/NSW100-28)
LNK/ACT
Green
On
The link to a 10 Mbps or a 1000 Mbps Ethernet network is up.
Blinking
The system is transmitting/receiving to/from a 10 Mbps or a 1000 Mbps
Ethernet network.
Amber
On
The link to a 100 Mbps Ethernet network is up.
Blinking
The system is transmitting/receiving to/from a 100 Mbps Ethernet network.
Off
The Ethernet link is down.
PoE 10/100/1000Base-T Ports
1-8 (NSW100-
10P)
1-24 (NSW100-
28P)
PoE
Green
On
Power supplied to all PoE Ethernet ports meets the IEEE 802.3at standard.
Amber
On
Power supplied to all PoE Ethernet ports meets the IEEE 802.3af standard.
Off
The PoE is off or the Ethernet link is down.
100/1000 Mbps SFP Slots