3.3 SMU11C
Figure 3-6 SMU11C appearance
(1) Run indicator
(2) Minor alarm indicator
(3) Major alarm indicator
(4) Wiring terminals
(5) Communications port
COM2
(6) Handle
(7) DIP switch
(8) Position of the SN code
(9) Communications port
COM1
Indicator
Table 3-7 Indicator description
Item
Color
Status
Description
Run
indicator
Green
Off
The SMU is faulty or has no power
input.
Blinking at
long intervals
(0.5 Hz)
The SMU is running properly and
communicating with the host
properly.
Blinking at
short intervals
(4 Hz)
The SMU is running properly but fails
to communicate with the host
properly.
Minor alarm
indicator
Yellow
Off
No minor or warning alarm is
generated.
Steady on
A minor or warning alarm is
generated.
Major alarm
indicator
Red
Off
No critical or major alarm is
generated.
ETP4860-B1A2 Embedded Power
User Manual
3 Components
Issue 04 (2021-01-05)
Copyright © Huawei Technologies Co., Ltd.
22