20
Appendix: The Functions on Backplane
1. Function of Backplane Drive Fault LED (SW1-1)
SW1
(Default)
JP1
(Default)
There are sixteen drive fault LEDs beside each HDD connector on the backplane
inside the Netstor unit.
This switch determines whether the drive fault LED on the backplane appears to
be permanent red light or flashing red light when the HDD fails. The default
setting is set to be drive fault LED showing flashing red light.
The situation of the drive fault LED appearing varies according to different
RAID card employed.
2. Function of SAS HDD act state LED on Backplane (SW1-2)
There are sixteen HDD act state LEDs beside each HDD connector on the
backplane inside the Netstor unit.
This switch determines whether the HDD act state LED on the backplane appears
to show blue light or no light when the SAS HDD is inserted into the NS780TB3.
The default setting is set to be SAS HDD act state LED showing no light.
There is one switch module on the backplane of NS780TB3 providing four functions
on SW1-1, SW1-2, SW1-3, and SW1-4. The description for each function is given in
the following point one through point four.
1
N
2
3 4
1
N
2
3 4
1
3
ON
OFF