Leds - ZyXEL Communications NSA221 User Manual

1.3 LEDs

The NSA LEDs (lights) tell you important information.
Figure 2 NSA Front Panel
This table describes the NSA's LEDs.
Table 1 LEDs
LED COLOR
POWER Blue
SYSTEM Green
Red
HDD1/ Green
HDD2
Red
USB Green
Red
NSA221 User's Guide
STATUS DESCRIPTION
On The NSA is turned on and receiving power.
Off The NSA is turned off.
On The NSA has fully started and is operating normally.
Blinking The NSA is starting up or upgrading the firmware.
On The NSA has failed.
On The hard disk drive is connected properly to the NSA.
Blinking The NSA is saving data to the hard disk drive.
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 red until the NSA restarts.
Off The NSA cannot detect a hard disk in the disk bay.
On The USB device is connected properly to the NSA.
Blinking The NSA is saving data to the USB device.
On The USB device has failed and the NSA can no longer
detect it.
Off No USB device connected to the USB port.
Chapter 1 Getting to Know Your NSA
23