No. Silk Screen Name Description
- ESM negative
terminal
recommended cable cross-
sectional area is 25 mm
2
. If
the ESM is used at a
temperature below 45°C, the
cable cross-sectional area
can be smaller but should be
at least 16 mm
2
.
LED Indicators
Figure 2-7 LED indicators
Table 2-7 LED indicator description
Silk
Screen
Meaning Color Description
RUN Running
indicator
Green Steady on: Communication is normal
(including board startup, self-check,
software loading, and board power-on
when not loaded; excluding sleep
when the input/output power port or
activation port is energized).
O: The ESM is in sleep mode.
Blinking fast: Communication is
interrupted.
ALM Fault
indicator
Red Steady on: There is a fault or major
alarm.
O: There is no fault or major alarm.
CHG Charge
indicator
Green Steady on: The ESM is being charged.
O: The ESM is open-circuited or
discharging.
DCHG Discharge
indicator
Green Steady on: The ESM is discharging.
O: The ESM is open-circuited or
being charged.
UPS2000-G-6KRTLL
User Manual 2 System Composition
Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. 18