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DSA E-Series (E2700)
Host channel connection
(iSCSI)
Cache active
Controller-drive tray over-
temperature
Standby power
Seven-segment ID
diagnostic display
AC power
Bosch Sicherheitssysteme GmbH
Turning on the power and checking for problems in an E2700 controller-drive tray configuration | en
Controller
Controller
Front bezel on the
controller-drive tray
Front bezel on the
controller-drive tray
Controller
Power-fan
Note: The LED is
directly above or
below the AC power
switch and the AC
power connector.
Installation manual
The status of the host channel is
indicated:
–
"L" LED on – A link is
established.
–
"A" LED on – Activity (data
transfer) is present.
The activity of the cache is
indicated:
–
On – Data is in the cache.
–
Off – No data is in the cache.
On – The temperature of the drive
tray has reached an unsafe
condition.
Off – The temperature of the drive
tray is within operational range.
On – The controller tray is in
standby mode and the main DC
power is off.
Off – The controller-drive tray is not
in standby mode and the main DC
power is on.
The tray ID or a diagnostic code is
indicated.
For example, if some of the cache
memory dual in-line memory
modules (DIMMs) are missing in a
controller, error code L8 appears in
the diagnostic display (see Things
to Know – Lock-Down Codes for the
Controller-Drive Tray, page 70)
Indicates that the power supply is
receiving AC power input.
61
2016.12 | V2.1 | DOC
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