Table 9-13
Settings of SW2-7 and SW2-8
SW2-8
SW2-7
Speed
Adjustment
Mode
Remarks
ON
ON
Measuring the
temperature of the
air intake vent
-
ON
OFF
Measuring the
temperature of the
air exhaust vent
In the UA5000, this item is
mandatory.
OFF
ON
Reserved
-
OFF
OFF
Measuring the
temperature of the
air intake vent when
the fan stops rotating
-
9.6 LED
The LED on the front panel of the fan tray indicates the running status of the fans. This topic
describes the status and meanings of the LED.
The LED is on the right of the fan tray.
describes the LED of the fan tray.
Table 9-14
LED of the fan tray
LED
Status
Description
STATUS
Yellow: blinking quickly, on for
0.3s and off for 0.3s
The fan tray is not registered or it is
being loaded.
Green: on for 1s and off for 1s
repeatedly
The fan tray works in the normal state.
Yellow: on for 1s and off for 1s
repeatedly
The fan tray generates a warning that
does not affect the services.
Yellow: on
The communication is lost.
Red: blinking quickly, on for 0.3s
and off for 0.3s
The fan tray is faulty, or it generates an
alarm of overhigh temperature.
9.7 DIP Switch
The fan tray is configured with the fan monitoring board that provides two sets of DIP switches.
This topic provides the indications and settings of the DIP switches on the fan tray.
UA5000 Universal Access Unit
Environment Monitoring
9 Fan Tray Monitoring Solution
Issue 01 (2012-08-17)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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