Chapter 1 Get to Know Your NAS
NAS Series User’s Guide
14
1.3 Hard Disks
The NAS has internal hard disk bays. Install SATA (Serial Advanced Technology Attachment) hard disks.
Note that the SATA hard disks are treated as internal or SATA volumes. Any hard disk connected to a USB
port is considered an external or USB volume.
1.4 SD Card
Use up to a 128 GB SDXC card with the front panel SD card slot. The SD card slot works with the COPY/
SYNC button (see Section 1.6 on page 15 for details).
1.5 Power Button
Use the power button on the front panel to turn the NAS on or off.
HDD1/2 White On The hard disk drive is connected properly to the NAS. This LED stays on white
when the hard disk drive is in hibernation if you do not enable sleeping HDD LED
blinking.
Blinking The NAS is saving data to the hard disk drive.
Slow
Blinking
Sleeping HDD LED blinking is enabled and the hard disk drive is in hibernation.
Red On The NAS detected an error on the hard disk drive (like a bad sector for example).
The NAS automatically tries to recover a bad sector, but the LED stays red until
the NAS restarts.
Off The NAS cannot detect a hard disk in the disk bay or the LED is disabled.
USB White On The NAS has a USB device installed.
Off There is no USB device installed or the NAS does not detect a USB connection.
COPY White On A USB or SD device is connected to the NAS and the NAS is ready to copy.
Blinking The NAS is copying or synchronizing files, or in the process of pairing with a
myZyxelcloud account.
Red On Copying or synchronizing files to or from the USB or SD failed.
Off No USB/SD device is connected.
LAN /
LAN1 /
LAN2
Green On The NAS has a successful 10/100 Mbps Ethernet connection.
Blinking The 100M LAN is sending or receiving packets.
Off The NAS does not have a 10/100 Mbps Ethernet connection.
Amber On The NAS has a successful 1000 Mbps Ethernet connection.
Blinking The 1000 M LAN is sending or receiving packets.
Off The NAS does not have a 1000 Mbps Ethernet connection.
Table 2 LEDs (continued)
LED COLOR STATUS DESCRIPTION
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