Maintenance Items For The Bbu3900 Equipment - Huawei BBU3900 Hardware Maintenance Manual

BBU3900
Hardware Maintenance Guide
2
This describes the maintenance items for the BBU3900 equipment. The maintenance items are
related to the fans, equipment surface, cleanliness, LEDs, and ambient temperature in the cabinet.
Table 2-1
Table 2-1 Maintenance items for the BBU3900 equipment
Item
Fans
Equipment
surface
Cleanliness
LEDs
Ambient
temperature in
the cabinet
Issue 03 (2010-06-05)
Maintenance Items for the BBU3900
describes the maintenance items for the BBU3900 equipment.
Checking
Frequency
Weekly,
monthly, or
quarterly
Monthly or
quarterly
Monthly or
quarterly
Monthly or
quarterly
Monthly or
quarterly
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2 Maintenance Items for the BBU3900 Equipment

Operating
Instructions
Check the fans.
Check whether the
surface of each device is
damaged and whether
the label on each device
is legible.
Check whether each
device is clean.
Check whether the LEDs
on each device are
functional.
Check whether the
temperature inside the
cabinet is normal.
Equipment
Reference Standard
No alarm related to the fans
is reported.
None.
The surface and inside of
each device are clean.
No alarm related to the
LEDs is reported.
The requirement for the
operating temperature of the
BBU3900 is -20 °C to +55 °
C.
2-1