Huawei BBU3900, Hardware Description

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Panel
Figure 3-5 shows the WMPT panel.
Figure 3-5 Panel of the WMPT
Functions
The WMPT has the following functions:
l Providing Operation and Maintenance (OM) functions such as configuration management,
equipment management, performance monitoring, signaling processing, and active/
standby switchover and providing OM channels connected to the OMC (LMT or M2000)
l Providing the reference clock
l Processing signaling and managing resources for other boards in the BBU3900
l Providing USB ports, one of which facilitates automatic BBU3900 upgrading when a USB
disk is inserted during software installation and data configuration
l Providing four E1s/T1s which support ATM and IP protocols
l Providing one FE electrical port and one FE optical port which support the IP protocol
l Supporting cold backup
LED
Table 3-2 describes the LEDs on the WMPT panel.
Table 3-2 LEDs on the WMPT
Label Color Status Meaning
RUN Green ON The power input is
available, but the
board is faulty.
OFF The power supply is
unavailable.
Blinking (on for one
second and off for
one second) The board in normal
configuration is
running properly.
Blinking (on for
0.125 second and off
for 0.125 second) The software is being
loaded to the board,
or the board is not in
use.
ALM Red OFF No alarm is
generated.
3 BBU3900 Equipment
BBU3900
Hardware Description
3-6 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 11 (2010-11-10)