ESS Series
User’s Manual
78
Please refer to the following sheet for detailed information.
SN
Port
Description
1
Fan
For ventilation
2
Power port
Connect to AC power.
System beeps when you remove the
redundancy power.
System beeps when the power voltage or
temperature of the main board or the rear
panel is too high or too low.
3
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.
4
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.
5
COM
Access system via COM. It is mainly for device
debug.
6
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.
7
OUT port
Connect OUT port to the sub-level disk array
enclosure to realize cascade connection.
8
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.
5.6
ESS3124D-JR
5.6.1 Front Panel
The front panel is shown as below. See Figure 5-12.
The HDD slot number ranges from left to right, from top to the bottom.