Huawei SUN2000 Series Quick Installation Manual page 7

Installing a DC input power cable (using metal stamping forming contacts)
Positive metal contact
Negative metal contact
Common PV cables with a
cross-sectional area of 4 mm²
are recommended.
2.4 Installing RS485 Communications Cables
The side without buckles
connector with
Ensure that cables cannot
be removed after crimped.
RJ45
Matching nut
shielding
Sealing
functions
washer
Plastic
base
Ensure that the
cables are correctly
connected and the
voltage does not
exceed 1000 V DC.
No.
White and
1 orange
Orange
Cable 2
sealing nut
White and
3
green
Blue
4
White and blue
5
6 Green
White and
7
brown
8 Brown
6
Positive connector
Negative
connector
Click
locking nut
is secured.
Color Pin Definition
RS485A, and
RS485 differential
signal+
RS485B, and
RS485 differential
signal-
PGND
RS485A, and
RS485 differential
signal+
RS485B, and
RS485 differential
signal-
PGND
PGND
PGND
Ensure
that the