Figure 47 Backplane rear view
Table 8 Connector and pin header function description
For connecting to a mainboard or HBA, this Mini-SAS
HD connector is applied. A proper cable selection is
essential as well to make sure good signal integrity can
be maintained for the whole connection path from
mainboard or HBA/RAID card to the HDD devices.
These two connectors are used to power four 3.5” hard
disks, connected to this backplane, and each can
ensure that all drives are supplied with stable power
inputs. If the chassis fan is also powered by fan header
(JF01), this configuration is highly recommended.
There are two 4-pin headers for the PWM fan, and it is
alternative solution that the chassis fan can be
powered and monitored by this backplane instead of
motherboard. If the chassis fan is connected to
mainboard, user needs to disable the fan monitoring
function of backplane by DIP switch (SW1).
The event LED, with red/black wire, is located on front
bezel of SR107 Plus and can be configured through
this pin header.
Transfer mute signal from backplane to PSU.
Send alarm signal to PSU.
Buzzer will alarm when fan and temperature become
abnormal.
The settings of on-board hardware monitor can be
controlled and configured through this DIP switch. It
can manage the functions of PWM fan & temperature
threshold.
The motherboard can monitor HDD temperature and
fan status through this connector. However, the I2C
connector on motherboard side is vendor dependent,
so please contact our field application engineers to
fully utilize this feature.
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