Leds - ZyXEL Communications NSW Series User Manual

3.3 L EDs
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
L ED C O L O R
PWR Green
SYS Green
ALM Red
Locator Blue
10/100/1000Base-T Ports
1-8 (NSW100- Green
10P/NSW100-10)
1-24 (NSW100-
28P/NSW100-28)
Amber
LNK/ACT
PoE 10/100/1000Base-T Ports
1-8 (NSW100- Green
10P)
Amber
1-24 (NSW100-
28P)
PoE
100/1000 Mbps SFP Slots
Chapter 3 Hardware Panels
ST AT US DESC RIPT IO N
On The system is turned on.
Off The system is off or has failed.
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.
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.
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.
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.
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.
On Power supplied to all PoE Ethernet ports meets the IEEE 802.3at standard.
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.
NSW Series User's Guide
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