UPS5000-E-(50 kVA-300 kVA)
User Manual (50 kVA Power Modules)
3 Installation
Issue 02 (2017-02-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
114
Figure 3-78
Cable connection for an NC EPO switch
Figure 3-79
Cable connection for an NO EPO switch
When the EPO switch is in the NC state, remove the jumper between EPO_NC and EPO_12V
before connection. When the EPO switch is turned off, EPO is triggered.
When the EPO switch is in the NO state, ensure that the jumper is connected between EPO_NC and
EPO_12V. When the EPO switch is turned on, EPO is triggered.
3.2.10 Connecting Communications Cables
Procedure
Step 1
Connect the external network management device to the RS485 port.
Step 2
Connect the network port on a PC to the FE port.
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3.3 Installing a Parallel System
3.3.1 Installing the UPSs
Context