ESS Series
User’s Manual
74
Figure 5-6
Please refer to the following sheet for detailed information.
Port
Description
Power port
Connect to AC power.
System beeps when you remove the redundancy
power.
System beeps when the power voltage is too high or
too low.
Power button
After connect the device to the AC power. Click button On
to boot up system and click OFF button to shut down
system.
Fan
For ventilation
OUT indicator light
The Link light is on when OUT port has connected a sub-
level device.
The Access light is on when there is data accessing on the
OUT port.
OUT port
Connect OUT port to the sub-level disk array enclosure to
realize cascade connection.
Indicator light
The RUN light is on when device has booted up and work
properly.
M/S is main control indicator light. The light is on when
system is working properly. The light is off when the
system is abnormal.
The ERR light is on when system is malfunction. The ERR
light is off when system is working properly.
The SPD light is on when the HDD access speed is
abnormal. The SPD light is off when HDD access speed is
normal.
COM
Access system via COM. It is mainly for device debug.
IN port
Connect IN port to the host or the OUT port of the upper-
level disk array enclosure. Access the HDD of the disk
array enclosure via the IN port.
IN port indicator light
The Link light is on when the IN port has connected to the
host or the upper-level disk array enclosure.
The Access light is on when the host is accessing the HDD
of the disk array enclosure.
5.4
ESS3116D-JR
