Com
pone
nt
No.
Applic
able
Scope
Check Item
2
Indepen
dent AC
The power modules are securely installed with their captive
screws tightly fixed.
3
Indepen
dent AC
Four rubber pads are attached to specified positions on the
bottom of the AC before it is placed on a desk.
4
Indepen
dent AC
The AC is secured in the cabinet or rack by rack-mounting
brackets or guide rails (or trays), and floating nuts are
correctly secured.
5
AC card
The AC card is secured in the cabinet or rack by guide rails
or trays, and the guide rails or trays and floating nuts are
correctly secured.
6
AC card
The AC card is correctly inserted into the device slot and
secured using the ejector lever.
7
AC card
No pins on the backplane are bent when the AC card is
installed.
8
Indepen
dent AC
The AC is grounded using a ground cable, meeting surge
protection requirements.
9
Indepen
dent AC
When the AC directly connects to APs, location IDs of the
APs are provided at the cable connection points.
PoE
power
supply
1
General
The proper PoE switch or power adapter is selected, meeting
AP power supply and onsite environment requirements.
2
General
To ensure that the PoE power meets requirements, the PoE
power supply device and APs must be connected through
CAT5E and CAT6E network cables, and the cable length
cannot exceed 100 m.
3
General
Labels must be made for the PoE power cable to identify AP
locations.
4
General
Leave a 20 cm space between PoE power adapters to ensure
normal heat dissipation.
5
General
The PoE switch is correctly grounded with the ground cable.
6
General
Reserve a few downlink network interfaces for the PoE
switch (for example, connect at most 20 APs to a 24-port
switch) for future capacity expansion.
7
General
You are advised to configure dual power modules for a PoE
switch for power redundancy backup and providing power
for more APs.
R250D-E
Hardware Installation and Maintenance Guide
5 Appendix
Issue 01 (2016-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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