Table 5-13
Configuration principles of the SLPU (1)
Board
Optional/
Mandatory
Maximum
Quantity
Slot
Configuration
Restriction
UELP
Optional
4
Slots 0 to 3
The priorities of
the slots in
configuration
are as follows in
descending
order: slot 2, slot
0, slot 1, and slot
3.
UFLP
Optional
1
Slot 3
If both the
UELP and
UFLP are
configured, the
UFLP is
installed in a slot
with a higher
priority than the
UELP.
When serving as a monitoring signal protection unit for not more than 16 dry contacts, the SLPU
is an optional component, and it is integrated with two USLP2s and installed in the 1 U space
at the bottom of the BBU.
lists the configuration principles of the SLPU.
Table 5-14
Configuration principles of the SLPU (2)
Board
Optional/
Mandatory
Quantity
Slot
Configuration
Restriction
USLP2
Optional
2
Slots 2 and 3
-
5.8.3 UELP
Each Universal E1/T1 Lightning Protection Unit (UELP) provides surge protection for four
paths of E1/T1 signals.
Panel
shows the panel of the UELP.
Figure 5-16
UELP panel
5 Auxiliary Devices of the BBU3900
BBU3900
Hardware Description
5-20
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 11 (2010-11-10)
Summary of Contents for BBU3900
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