Huawei SUN2000-29.9KTL - Page 66

SUN2000-(29.9KTL, 33KTL-A, 36KTL, 42KTL)
User Manual
5 Connecting Cables
Issue 11 (2019-06-08)
Copyright © Huawei Technologies Co., Ltd.
59
Figure 5-26 Terminal block
Table 5-5 describes functions of the RS485 terminal block.
Table 5-5 Functions of the RS485 terminal block
No.
Port Definition
Description
1
RS485A IN
RS485A, RS485 differential signal +
2
RS485A OUT
RS485A, RS485 differential signal +
3
RS485B IN
RS485B, RS485 differential signal –
4
RS485B OUT
RS485B, RS485 differential signal –
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.
Figure 5-27 Stripping an RS485 communications cable