Parts Replacement; Replacing A General Input Unit - Huawei New Main Way 2.0 User Manual

New Main Way 2.0
User Manual

8.1 Replacing a General Input Unit

Prerequisites
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Procedure
Step 1 Turn off the input switch and upstream power distribution switch and make a
warning sign.
Step 2 Remove the communications cable and the DC power cable and mark the
installation positions.
Step 3 Remove the integrated management card and install it on the new general input
unit.
Figure 8-1 Removing the integrated management card
Issue 05 (2020-10-15)
Tools: PDF door key, step ladder, Phillips screwdriver, socket wrench,
multimeter, ESD bag
Material: a new general input unit of the same model
Before the replacement, ensure that the load services are not affected or
obtain written consent from the customer.
If the input switch and NTC are damaged, replace the general input unit with
a new one.
Copyright © Huawei Technologies Co., Ltd.
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Parts Replacement

8 Parts Replacement
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