UPS5000-E-(25 kVA-75 kVA)-SM
User Manual (Half Height)
3 Installation
Issue 03 (2019-12-13)
Copyright © Huawei Technologies Co., Ltd.
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3.3.3 Connecting Signal Cables
Connecting Signal Cables in a Parallel System
To connect signal cables in a parallel system, perform the following steps: Connect the
parallel ports on the UPSs over parallel cables to create a loop.
N+X parallel system.
Figure 3-43
Connecting signal cables in an N+X parallel system
shows how to connect cables to two UPSs connected in parallel.
Figure 3-44
Parallel signal cable connections
In a dual-bus parallel system, BSC cables need to be connected to the master and slave
systems.
shows cable connections in the scenario where the master system
consists of two UPSs.