Table 2-6 Port pin definitions
No.
Silk Screen
Name
Description
1
GND
Protective ground M6 screw
2
DO1
DO2
ESM dry contact
output
Reserved.
3
COM_ IN
Communications
port
1. The ports are used for
information reporting and
communication cascading.
2. The ports use RJ45
terminals and provide the
1000 A surge protection
capability.
4
COM_ OUT
Communications
port
5
RUN
Running indicator For details about indicator
functions, see the LED
indicator description.
ALM
Alarm indicator
CHG
Charge indicator
DCHG
Discharge
indicator
SOC
SOC indicator
6
MANUAL
ON/OFF
Button for
manual power-
on/off
This is a contact button used
for manual power-on/off
and maintenance.
7
PWR
ESMU port for
connecting to an
external power
source
Reserved.
8
+
ESM positive
terminal
Positive and negative ports
of the ESM. They are secured
by M6 screws. Appropriate
OT terminals should be used.
The required torque is 4.5–
5.5 N·m and the
recommended cable size is
25 mm
2
. If the ESM is used
at a temperature below
45°C, the cable size can be
smaller but should be at
least 16 mm
2
.
-
ESM negative
terminal
UPS2000-G-6KRTLL
User Manual
2 System Composition
Issue 01 (2020-08-06)
Copyright © Huawei Technologies Co., Ltd.
19
