LED Status Description
The red LED is off. The rectifier module works in the normal
state.
Table 6-24 describes the LEDs on the monitoring module of the EPS75-4815AF power
system.
Table 6-24 LEDs on the monitoring module of the EPS75-4815AF power system
LED
Status Description
RUN The green LED is on for
1s and off for 1s
repeatedly.
The monitoring module works in the normal
state.
The green LED is
blinking quickly.
The monitoring unit hardware is normal but
the communication between the monitoring
unit and the upper layer device is faulty.
The green LED is off. The monitoring module is faulty or there is
no AC power input.
ALM The red LED is on. The system generates a critical alarm or the
battery is disconnected.
The red LED is off. The system does not generate any critical
alarm and the battery is already connected.
Input Terminals
Figure 6-25 shows the input terminals of the EPS75-4815AF power system.
Figure 6-25 Input terminals of the EPS75-4815AF power system
AC input BATT. LOAD1 LOAD2 LOAD3 LOAD4
BATT.(-)
LOAD(-)
BATT.(+)
LOAD(+)
AC-L
AC-N
ON
OFF OFF OFF OFF
OFF
ON ON ON ON
ON
OFF
B1
B2
1- 2-
1- 2-
3-
4-
+
+
+
+
+ +
+ +
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
6 Electromechanical Device
Issue 24 (2018-07-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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