LED
Status
Description
FAULT
The red LED is on.
The FAULT LED of the module is valid when
PS-enable and Vo-OV are valid, or when fan
fault, no output, or output short circuit occurs.
The red LED is off.
The rectifier module works in the normal
state.
describes the LEDs on the monitoring module of the EPS75-4815AF power system.
Table 7-4
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 blinks
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 an 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
shows the input terminals of the EPS75-4815AF power system.
Figure 7-2
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-
+
+
+
+
+ +
+ +
UA5000 Universal Access Unit
Environment Monitoring
7 EPS75-4815AF Monitoring Solution
Issue 01 (2012-08-17)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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