Upeu; Figure 3-12 Panel Of The Upeua; Table 3-12 Led On The Fan Unit And Its Status - Huawei BBU3900 Hardware Description

3 BBU3900 Equipment
LEDs
The FAN unit has one LED, indicating the running status of the module.
the LED on the FAN unit and its status.

Table 3-12 LED on the FAN unit and its status

Label
STATE

3.2.5 UPEU

The Universal Power and Environment Interface Unit (UPEU) is a mandatory board of the
BBU3900. It converts -48 V or +24 V DC power to +12 V DC power.
Panels
The UPEU is classified into the Universal Power and Environment Interface Unit Type A
(UPEUA) and the Universal Power and Environment Interface Unit Type B (UPEUB). The
UPEUA converts -48 V DC power to +12 V DC power and the UPEUB converts +24 V DC
power to +12 V DC power.
UPEUB panel.

Figure 3-12 Panel of the UPEUA

(1) Power switch of the BBU
3-14
Color
Green
Red
Figure 3-12
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Status
On for 0.125s and off
for 0.125s
On for 1s and off for
1s
Off
On for 1s and off for
1s
shows the UPEUA panel and
BBU3900
Hardware Description
Table 3-12 describes
Description
The module is not
registered, and no
alarm is reported.
The module is
running properly.
No alarm is reported.
The module is
reporting alarms.
Figure 3-13 shows the
Issue 11 (2010-11-10)