
Indicator
Color
Status
Description
Blinking at a
frequency of 0.5 Hz
The monitoring
module is working
properly and
communicating with
the upper device
properly
Blinking at a
frequency of 4 Hz
The monitoring
module works
properly but does not
communicate with
the upper device
properly
ALM
Red
Off
The system does not
generate any critical
alarms
Steady on
The system generates
critical alarms
Input Terminal
The ETP4890 power system supports 220 V AC input.
the ETP4890 power system.
Figure 8-2
Input terminals in the ETP4890 power system
Output Terminal
The ETP4890 power system supports eight groups of output terminals. The left-side eight output
terminals are negative and the right-side eight output terminals are positive.
shows the output terminals in the ETP4890 power system.
UA5000 Universal Access Unit
Environment Monitoring
8 ETP4890 Monitoring Solution
Issue 01 (2012-08-17)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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