Freedom9 4020 - Manual (Page 10)

3
successfully, although errors might occur. In addition, some features (such as the
printer reporting low ink levels) might not function since two-way communication
is not supported.
1.4 Front Panel
The front panel (Figure 1-1) contains the power button, hard disks, and status LEDs.
Figure 1-1: Front Panel
HDD Active LED This LED flashes GREEN when the HDD is active.
HDD Power LED This LED lights up GREEN when the HDD is installed properly.
HDD tray lock Turn the lock horizontally to lock the tray in place, or vertically to unlock it.
LAN Link LED This LED will flash ORANGE if the network interface is being used.
LAN Speed LED This LED will light up ORANGE when connected to a gigabit connection,
and GREEN when connected to a 10/100 Mbps connection.
HDD Trays Four 3.5-inch SATA HDD trays.
Power LED This LED lights up BLUE when the system is powered on.
Power button Press this to turn the unit on, and press and hold until the Status and RAID
LEDs start flashing to turn it off.
Status LED This LED lights up BLUE when the hard disks reach their maximum
storage capacity.
RAID LED This LED lights up RED when RAID 0 is used, ORANGE when RAID 1 or
RAID 10 is used, GREEN when RAID 5 is used, and is off if no RAID is
used.