Huawei FusionModule2000 Product Description page 62

FusionModule2000 Smart Modular Data Center
Product Description
Port
Communications
port
Figure 5-44
Figure 5-44 Wiring method 1
Figure 5-45 Wiring method 2
Figure 5-46
Issue 06 (2020-05-21)
Silk Screen
RS485
 Signal cables must be double-insulated twisted cables. If the cable length is 25–50 m, the
cross-sectional area must be 0.5–1.5 mm
 RS485 cables and FE cables must be shielded cables.
and Figure 5-45
and Table 5-25
Copyright © Huawei Technologies Co., Ltd.
Description
Supported protocol: Modbus-RTU.
2
.
are recommended wiring methods for DO ports.
describe the COM1 pin definitions.
5 Power Supply and Distribution System
54