Huawei SUN2000-33KTL-A User Manual page 68

SUN2000-(33KTL-A, 36KTL, 42KTL)
User Manual
When laying out communications cables, separate them from power cables and keep them
away from strong signal sources to avoid communication interference.
Terminal Block Functions
Figure 5-26
Figure 5-26 Terminal block
Table 5-5
Table 5-5 Functions of the RS485 terminal block
No.
1
2
3
4
Connecting Cables to the Terminal Block
Step 1 Remove an appropriate length of the jacket and core wire insulation layer from the
communications cable using a wire stripper.
Issue 07 (2018-05-04)
shows an RS485 terminal block.
describes functions of the RS485 terminal block.
Port Definition
RS485A IN
RS485A OUT
RS485B IN
RS485B OUT
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Copyright © Huawei Technologies Co., Ltd.
5 Connecting Cables
Description
RS485A, RS485 differential signal +
RS485A, RS485 differential signal +
RS485B, RS485 differential signal –
RS485B, RS485 differential signal –
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