LED Color Status Meaning
OFF No data transmission
is ongoing.
ETH Green (LINK) ON The connections are
functional.
OFF The connections are
faulty.
Yellow (ACK) Blinking Data transmission is
ongoing.
OFF No data transmission
is ongoing.
Port
Table 3-4 describes the ports on the WMPT panel.
Table 3-4 Ports on the WMPT
Label
Connector Type Description
E1/T1 DB26 connector E1
FE0 RJ-45 connector FE electrical port
FE1 SFP connector FE optical port
GPS SMA connector Reserved
ETH RJ-45 connector Commissioning Ethernet
port
USB USB connector USB loading port
TEST USB connector USB testing port
RST - Resets the BBU
DIP Switch
The WMPT has two DIP switches: SW1 for setting the E1/T1 working mode and SW2 for setting
the protection grounding for the E1/T1 cables receiving 4-way signals. Figure 3-7 shows the
DIP switches on the WMPT.
3 BBU3900 Equipment
BBU3900
Hardware Description
3-8 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 11 (2010-11-10)
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