Indicator
Table 1-1 Indicators on the panel
Term Color Status Description
Running indicator Green Steady o The SMU is faulty
or has no power
input.
Blinking slowly
(0.5 Hz)
The SMU is
running properly
and
communicating
with the host
properly.
Blinking fast (4
Hz)
The SMU is
running properly
but fails to
communicate
with the host
properly.
Minor alarm
indicator
Yellow Steady o No minor or
warning alarm is
generated.
Steady on A minor or
warning alarm is
generated.
Major alarm
indicator
Red Steady o No critical or
major alarm is
generated.
Steady on A critical or major
alarm is
generated.
SMU11B Site Monitoring Unit
User Manual 1 Description of Components
Issue 03 (2022-06-06) Copyright © Huawei Technologies Co., Ltd. 2