Huawei ECC500 User Manual page 31

ECC500
User Manual
Figure 3-6 Front panel of the AI/DI expansion card
(1) DO control
(4) AI/DI_3
Table 3-8
Table 3-8 Description of indicators on the front panel of the AI/DI expansion card
Silk Screen
PWR
RUN
ALM
Issue 05 (2020-03-16)
describes indicators on the front panel of the AI/DI expansion card.
Color
Green
Green
Red
Copyright © Huawei Technologies Co., Ltd.
(2) AI/DI_1
(5) AI/DI_4
Meaning
Power indicator
Run indicator
Alarm indicator
3 Configurations and Port
(3) AI/DI_2
(6) Indicators
Status Description
Steady on The power
supply is
normal.
Off The AI/DI
expansion card
is faulty or has
no DC input.
Blinking (1 The AI/DI
second on and 1 expansion card
second off)
is
communicating
with the main
control module
properly.
Blinking (0.125 The AI/DI
second on and expansion card
0.125 second fails to
off) communicate
with the main
control module.
Off No alarm is
generated.
Steady on A board alarm is
generated.
23