Uslp2; Figure 5-19 Panel Of The Uslp2; Figure 5-20 Mapping Relationship Between The Pins In The Input And Output Ports On The Uslp2; Table 5-18 Ports On The Panel Of The Uslp2 - Huawei BBU3900 Hardware Description

BBU3900
Hardware Description

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.
Panel
Figure 5-19

Figure 5-19 Panel of the USLP2

Port
There are four output ports and two input ports on the USLP2.
panel of the USLP2.

Table 5-18 Ports on the panel of the USLP2

Label
IN0, IN1, IN2,
and IN3
OUT0, OUT1
Figure 5-20
the USLP2.

Figure 5-20 Mapping relationship between the pins in the input and output ports on the USLP2

1 3
2
Table 5-19
USLP2.
Issue 11 (2010-11-10)
shows the panel of the USLP2.
Port Type
4-pin
RJ45
shows the mapping relationship between the pins in the input and output ports on
OUT0 OUT1
5 7 1 3 5 7
4
4 6 8 2 4 6 8
lists the mapping relationship between the pins in the input and output ports on the
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Quantity
4
2
IN0 IN1 IN2
3 2 1 4 3 2 1 4 3
5 Auxiliary Devices of the BBU3900
Table 5-18 lists the ports on the
Description
Input ports used to
connect the customized
alarm devices.
Output ports used to
connect the EXT-ALM
port of the UEIU or
UPEU in the cabinet.
IN3
2 1 4 3 2 1
5-23