Advertisement
AAU3940
Hardware Maintenance Guide
This section describes how to replace a faulty AAU. Replacing an AAU interrupts all the services
carried by the AAU and causes alarms.
Prerequisites
l
l
Procedure
Step 1 Put on an ESD wrist strap or ESD gloves.
Take proper ESD protection measures, for example, put on an ESD wrist strap or ESD gloves,
to prevent electrostatic damage to the boards, modules, or electronic components.
Step 2 Instruct the U2000 administrator to block the faulty AAU by running the BLK BRD command.
Step 3 Power off the AAU. For detailed operations, see
Step 4 Remove cables from the faulty AAU.
1.
Issue 01 (2015-01-15)
The following tools and materials are available: an ESD wrist strap or a pair of ESD gloves,
a flat-head screwdriver, a Phillips screwdriver, a torque screwdriver, a hex key, and an ESD
box or bag.
The new component is intact, and its hardware version is the same as that of the component
to be replaced.
NOTICE
Optional: If the AAU is installed on a pole top, remove the landscaping cover, as shown
in the following figure. Skip this step if the AAU is installed on a pole or wall.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4
Replacing an AAU
3.2 Powering off an
4 Replacing an AAU
AAU.
8
Advertisement
