Huawei ECC500 - 4.3 Connecting Cables; Essential Cable Connections

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