Connecting The Signal Cables - Huawei SUN2000-15KTL-50KTL-M3 Series User Manual

Replacing SUN2000-(15KTL-50KTL) Series with
SUN2000-(15KTL-50KTL)-M3 Series
User Manual

6.3.2 Connecting the Signal Cables

COM Port Pin Definitions
Ensure that the protection layers of the cables are inside the connector, that excess core wires
are cut off from the protection layer, that the exposed core wires are totally inserted into the
cable hole, and that the cable is connected securely.
Before Replacement-RJ45
Network Port
No. Color Function
1 White RS485A
and
orange
4 Blue RS485A
2 Orange RS485B
5 White RS485B
and
blue
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
Issue 01 (2021-04-05)
Before
Replacement-Termina
l Block
No. Function
1 RS485A IN
2 RS485A OUT
3 RS485B IN
4 RS485B OUT
– –
– –
– –
– –
– –
– –
– –
– –
– –
Copyright © Huawei Technologies Co., Ltd.
6 Electrical Connections
SUN2000-(15KTL-50KTL)-M3 Series
(COM Port)
No. Definition Function
1 485A1-1 RS485 differential
signal +
2 485A1-2 RS485 differential
signal +
RS485 differential
3 485B1-1
signal –
4 485B1-2 RS485 differential
signal –
5 PE Shield layer grounding
6 PE Shield layer grounding
7 485A2 RS485 differential
signal +
9 485B2 RS485 differential
signal –
Dry contact for power
8 DIN1
grid scheduling
10 DIN2
12 DIN3
14 DIN4
16 GND
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