Huawei SUN2000-33KTL User Manual page 65

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SUN2000-(33KTL, 40KTL)

User Manual

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.



Table 5-4

Table 5-4 RS485 terminal block definitions

No.



Issue 03 (2015-12-01)

−

Terminal block connection

The DJYP2VP2-22 2x2x1 network cable or a communications cable with a cross

sectional area of 1 mm

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.

RS485 terminal block definitions

Figure 5-22 Terminal block

defines the RS485 terminal block.

Function

RS485A (IN)

RS485B (IN)

RJ45 connector pin definitions

Huawei Proprietary and Confidential

and external diameter of 14–18 mm is recommended.

No.

5 Electrical Connections

Function

RS485A (OUT)

RS485B (OUT)

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