5
3
Installing Cables
1. Connect UPS AC input and output power cables in the same phase sequence. Connect the
battery terminals correctly.
2. Before connecting cables, ensure that the input circuit breaker, output circuit breaker, and
battery circuit breaker are OFF. Perform all tasks with the power off.
3. When the AC input or AC output changed, for details about how to change the input or output
system, contact Huawei technical support. Do not power on the UPS directly.
4. Connect the UPS output power cable to the AC OUTPUT sL terminal.
4. Insert the rectifier into the PDU, lock the locking latch
of the rectifier, and install the PDU on the rack.
c) Install guide rails based on the actual situation.
d) Place the UPS into the rack.
b) Install the mounting ear extension mechanical part.
