SUN2000-(33KTL, 40KTL)
User Manual
5 Electrical Connections
Issue 03 (2015-12-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
59
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Terminal block connection
The DJYP2VP2-22 2x2x1 network cable or a communications cable with a cross
sectional area of 1 mm
2
and external diameter of 14–18 mm is recommended.
−
RJ45 network port connection
You are advised to use a CAT 5E outdoor shielded network cable with a diameter
less than 9 mm and internal resistance no greater than 1.5 ohms/10 m.
Select either connection mode during installation. Connecting to a terminal block is recommended.
When routing communications cables, ensure that communications cables are separated from
power cables and away from interfering source to prevent communication from being
affected.
RS485 terminal block definitions
Figure 5-22
Terminal block
Table 5-4
defines the RS485 terminal block.
Table 5-4
RS485 terminal block definitions
No.
Function
No.
Function
5
RS485A (IN)
6
RS485A (OUT)
7
RS485B (IN)
8
RS485B (OUT)
RJ45 connector pin definitions