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Huawei RRU3221 User Manual
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RRU
Hardware Maintenance Gu
ide
4
Replacing an RRU
Issue
16
(
2015
-
03
-
23
)
Huawei Propr
ietary and Confidential
Copyright © Huawei Technologies Co., L
td.
25
Fi
gu
re
4-
14
L
oo
sen
in
g
scr
ew
s
o
n
t
he
c
onv
er
sio
n
br
ac
k
et
(
b
l
ad
e
R
RU
)
Fi
gu
re
4-
15
L
oo
sen
in
g
scr
ew
s
o
n
t
he
c
onv
er
sio
n
br
ac
k
et
(
no
n-
bla
de
RRU
)
Step 6
Hold the R
RU upwards t
o rem
ove it fr
om the att
achment plat
e, as shown in
F
igure 4-
16
for
the blade RR
U and
F
igure 4-17
for
the non-
blade RRU.
31
33
Table of Contents
About this Document
3
Intended Audience
3
Conventions
4
Organization
4
Symbol Conventions
4
Command Conventions
5
General Conventions
5
GUI Conventions
6
Keyboard Operation
6
Mouse Operation
6
Table of Contents
7
1 Changes in RRU Hardware Maintenance Guide
8
2 Preventative Maintenance Items for an RRU
15
3 Powering on and off an RRU
17
Powering off an RRU
18
4 Replacing an RRU
20
Preparations before Replacement
20
Replacing an RRU Using Assembled Mounting Kits
22
Replacing an RRU Using a Mounting Kit for a Common RRU
22
Attachment Plate a for a Common RRU
23
Attachment Plate B for a Common RRU
23
Loosening Captive Screws on the Main Bracket
25
Loosening the Screw Only for Removing the RRU on the Attachment Plate
25
Raising the Bottom of the RRU
26
Replacing an RRU Using a Mounting Kit for a Blade RRU
27
Removing the Metal Sheet from an RRU Installed in Centralized Mode
29
Loosening Captive Screws on the Attachment Plate
29
Replacing an RRU Using Non-Assembled Mounting Kits
30
Loosening Screws on the Conversion Bracket (Blade RRU)
32
Loosening Screws on the Conversion Bracket (Non-Blade RRU)
32
Holding the RRU Upwards (Blade RRU)
33
Holding the RRU Upwards (Non-Blade RRU)
33
Replacing a Non-Blade RRU with a Blade RRU
34
Replace the RRU in the Middle
36
Reusing the Conversion Bracket
36
Waterproofing a Connector of the Alarm Cable
39
Replacing Blade Rrus in the ICR and Adding Blade Rrus to the ICR
40
Loosing the Upper and Lower Installation Plates
41
Removing the Attachment Plate from the Rear of the RRU
42
Removing the Handle from the RRU
42
Installing the Upper Attachment Plate on the Upper Part of the RRU
43
Installing the Lower Attachment Plate on the Lower Part of the RRU
43
Installing the RRU in an ICR
44
ICR Housing Three Rrus
45
Operations after Replacement
45
5 Replacing an Optical Module
47
6 Adding Rrus
50
Attaching a Blade RRU
53
Installing the Third RRU on the Third Main Bracket
54
Installing the Second Mounting Kit for a Blade RRU
54
Installing a Blade RRU on the Fourth Main Bracket
55
Tightening the Captive Screws into the Holes
56
Installing a Metal Sheet
56
4
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Huawei RRU3221 Specifications
General
Brand
Huawei
Model
RRU3221
Category
Accessories
Language
English
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