Huawei BBU3900 - Configuration of the SLPU; Exterior of SLPU; Figure 5-14 SLPU; Figure 5-15 Slots of the SLPU

5.8.3 UELP
Each Universal E1/T1 Lightning Protection Unit (UELP) provides surge protection for four
paths of E1/T1 signals.
5.8.4 UFLP
The universal FE/GE lightning protection (UFLP) board is a universal FE surge protection unit,
each UFLP supports 2-way FE surge protection.
5.8.5 USLP2
The Universal Signal Lightning Protection Unit Type 2 (USLP2) is a dry contact surge protection
unit. It is optional and can be installed in the SLPU.
5.8.1 Exterior of SLPU
The SLPU has a case structure, which requires a 19-inch wide and 1 U high space.
Figure 5-14 shows the SLPU.
Figure 5-14 SLPU
5.8.2 Configuration of the SLPU
This section describes the configuration principles of the SPLU.
Slots of the SLPU
Figure 5-15 shows the slots of the SLPU.
Figure 5-15 Slots of the SLPU
Configuration of the SLPU
When serving as a trunk signal protection unit, the SLPU is a mandatory component, and it is
integrated with a UELP or UFLP and installed in the 1 U space in the upper part of the cabinet.
Table 5-13 lists the configuration principles of the SLPU.
BBU3900
Hardware Description 5 Auxiliary Devices of the BBU3900
Issue 11 (2010-11-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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