Huawei ECC500 User Manual page 33

ECC500
User Manual
Figure 3-7 Front panel of the Independent Deployment AI/DI Unit
(1) DC 15 V power input
port
(4) Cascading ports
Table 3-10
Table 3-10 Description of indicators on the front panel of the Independent Deployment AI/DI
Unit
Silk Screen
PWR
RUN
ALM
Issue 05 (2020-03-16)
(2) Indicators
(5) AI/DI_1 to AI/DI_8
describes indicators on the front panel of the Independent Deployment AI/DI Unit.
Color
Green
Green
Red
Copyright © Huawei Technologies Co., Ltd.
Meaning Status
Power indicator Steady on
Off
Run indicator Blinking (1
second on and 1
second off)
Blinking (0.125
second on and
0.125 second
off)
Alarm indicator Off
3 Configurations and Port
(3) DIP switch
(6) Ground point
Description
The power
supply is
normal.
The AI/DI
expansion card
is faulty or has
no DC input.
The Independent
Deployment
AI/DI Unit is
communicating
with the main
control module
properly.
The Independent
Deployment
AI/DI Unit fails
to communicate
with the main
control module.
No alarm is
generated.
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