ZyXEL Communications NSA-220 User Manual
Chapter 1 Getting to Know Your NSA
NSA-220 User’s Guide
27
Figure 3 NSA Rear Panel
This table describes the NSA’s LEDs.
Table 1 LEDs
LED
COLOR
STATUS
DESCRIPTION
POWER
Blue
On
The NSA is turned on and receiving power.
Off
The NSA is turned off.
HDD1/
HDD2
HDD2
Green
On
The hard disk drive is connected properly to the NSA.
Blinking
The NSA is saving data to the hard disk drive.
Orange
A
On
The NSA detected an error on the hard disk drive (like a bad
sector for example). The NSA automatically tries to recover a bad
sector, but the LED stays orange until the NSA restarts.
sector for example). The NSA automatically tries to recover a bad
sector, but the LED stays orange until the NSA restarts.
Blinking
The hard disk drive connection came loose or the NSA detected
an error on the hard disk drive (like a bad sector for example) and
is saving data to the hard disk drive.
an error on the hard disk drive (like a bad sector for example) and
is saving data to the hard disk drive.
Red
On
The hard disk drive has failed and the NSA can no longer detect
it.
it.
Off
The NSA cannot detect a hard disk in the disk bay.
SYS
Green
On
The NSA has fully started and is operating normally.
Blinking
The NSA is starting up.
Red
On
The NSA has failed.