Figure 2-1 Customized Alarms Collected By The Upeu Or Ueiu; Table 2-2 Relationship Between The In0 To In3 Ports On The Uslp2 And The Number Of Customized Alarms - Huawei BBU3900 Hardware Description

BBU3900
Hardware Description

Figure 2-1 Customized alarms collected by the UPEU or UEIU

Customized alarm signals are transmitted to the IN0 to IN3 ports on the USLP2 in the SLPU
and then transferred to the EXT_ALM port on the UPEU or EUIU through the alarm cable for
the BBU.
customized alarms.
Table 2-2 Relationship between the IN0 to IN3 ports on the USLP2 and the number of
customized alarms
Pins of
the
IN0 to
IN3
ports
1
2
3
4
For details about ports on the USLP2, see
the BBU alarm cable, see
Customized Alarms Collected by the EMUA
The EMUA can be configured for the DBS3900 that requires more than 16 Boolean alarm
signals. Each EMUA supports 32 Boolean alarm inputs and two RS485 signal inputs.
Issue 11 (2010-11-10)
Table 2-2 describes the relationship between the IN0 to IN3 ports and the number of
USLP2 in the upper slot
IN0 IN1
4+ 5+
4- 5-
(GND) (GND)
6- 7+
(GND)
6+ 7-
(GND)
4.16 BBU Alarm
NOTE
The SLPU is configured with two USLP2s by default before delivery when it is used as an alarm signal
protection unit. If a BBU is configured with one UPEU, the UPEU must be installed only in the lower slot.
In this case, the USLP2 in the upper slot of the SLPU is not used.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
USLP2 in the lower slot
IN2 IN3 IN0
0+ 1+ 12+
0- 1- 12-
(GND) (GND) (GND)
2- 3+ 14-
(GND) (GND)
2+ 3- 14+
(GND)
5.8.5 USLP2. For details about the wire sequence of
Cable.
2 DBS3900 Monitoring System
IN1 IN2 IN3
13+ 8+ 9+
13- 8- 9-
(GND) (GND) (GND)
15+ 10- 11+
(GND)
15- 10+ 11-
(GND) (GND)
2-3