UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
ound
commu
nicatio
ns port
2
Connects to the network port on a PC.
Northb
ound
commu
nicatio
ns port
Connects to a northbound network management device or a
third-party network management device over two wires.
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
2
.
RS485 cables and FE cables must be shielded cables.
Figure 2-19 and Figure 2-20 are recommended wiring methods for DO ports.
Figure 2-19 Wiring method 1
Figure 2-20 Wiring method 2
Figure 2-21 and Table 2-6 describe the COM1 pin definitions.
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