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HUAWEI TECHNOLOGIES CO., LTD.
www.huawei.com
Huawei Confidential
Security Level: Internal
47pt
30pt
:
FrutigerNext LT Medium
: Arial
47pt
28pt
Huawei LTE eNodeB Site Solution &
Installation Key Point
V1.0
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 2
LTE Network Topology
Chapter2: Installation Key Point and Mistake
CONTENTS
Chapter1: Site Solution
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 3 Page 3
RRU Power Cable Solution
DCDU-11B RRU3938
< 100m
0~100m
Notes:
If the power cable length(between RRU and DCDU) >100m,
please contact Huawei Site Engineer for special solution
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 4
BBU and DCDU install on the Transmission Cabinet
1) FDD LTE BBU should install under the TDD LTE BBU which already existed on the site.
2) Power cable of RRU from Sector A/B/C connected Load 3/4/5; Power cable of BBU
connected to Load 7.
3) CPRI Fiber of RRU from Sector A/B/C connected to CPRI 0/1/2 on LBBP board.
4) Transmission Fiber connected to SFP 0; Transmission Ethernet Cable connected to GE/FE 0
5) CPRI Fiber should be tied with Hook & Loop Mechanical Fastener. 6) 1 U space should be reserved between 2 BBUs.
5
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 5
RRU installed on Tower
Sector A Sector B
RRU and antenna can be installed as
back to back.
RRU can be installed on a pole near the
pole for antenna.
RRU should be grounded on tower.
Sector C
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 6
Cable connection for RRU
ANT0 ANT1
-45 +45
1) ANT0 of RRU should connected to port +45 of the Antenna. .
2) ANT1 of RRU should connected to port -45 of the Antenna.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 7
1
2
1) CPRI fiber is connected to CPRI 0;
2) The metal shield of RRU power cable should
be cut and grounding on clip inside RRU
cabling cavity;
3) The water plugs should be filled in the vacant
troughs of the RRU cabling cavity.
Cable connection inside RRU cabling cavity.
3
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 8
Antennas Labeling
Sector A Sector B Sector C
ANT_1A
ANT_0A
ANT_1B
ANT_0B
ANT_1C
ANT_0C
1) Label of ANT_0A, ANT_0B, ANT_0C is connected to +45
2) Label of ANT_1A, ANT_1B, ANT_1C is connected to -45
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 9
RRU Feeder Label and Color Feeder Mark Rules
RRU Label Rules Sector: A BC RRU Path: 01 Color Feeder Mark: A(Red)B(yellow)C(Blue); all with two while ring code to separate with TDD
RRU 0
1 0
AN
T_1A
AN
T_0A
Color Feeder Mark
Feeder Label
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 10
Antenna Feeder Label and mark rules
RRU Label Rules Sector: A BC Path: 0123 Color Ring: A(Red)B(yellow)C(Blue); all with two while ring code to separate with TDD
X X X
X X X
X X X Antenna A
A
RCU +45 -45 -45 +45 RCU
AN
T_
1A
AN
T_
0A
X X X
X X X
X X X Antenna B
B
RCU +45 -45 -45 +45 RCU
AN
T_
1B
AN
T_
0B
X X X
X X X
X X X Antenna C
C
RCU +45 -45 -45 +45 RCU
AN
T_
1C
AN
T_
0C
Make mark with color ring
Feeder Label
Make mark use alphabet
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 11
LTE Network Topology
Chapter2: Installation Key Point and Mistake
CONTENTS
Chapter1: Site Solution
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 12
Safety belt and cap is extremely needed.
Wrong Right
Notes Safety cap is needed for the working on the site. And the safety belt is needed for working on the tower or poles.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 13
Connect the power cable to the right port Wrong Right
Notes 1. Power cable of RRU for sector A/B/C should be connected to LOAD3/4/5, label with LTE PWR
RRU0/1/2 2. BBU should be connected to LOAD7, label with PWR BBU
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 14
Remove the shield of the power cable near connector
Wrong Right
Notes The black shield of the power cable near the power connector of DCDU should be cut and tied up.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 15
The CPRI fiber should be tied. Wrong Right
Notes The CPRI fiber should be tied with Hook & Loop Mechanical Fastener. Dont use cable tie.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 16
Put the redundant fiber on the Transmission Rack bottom
Wrong Right
Notes The redundant fiber should be circled and put on the bottom of the transmission rack. Dont put it outside the tower or on the cable tray.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 17
The heat-shrink tube is used and shrink well. Wrong Right
Notes The power cable should use the heat-shrink tube. And it should be done well.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 18
Ground the DCDU on the Transmission Cabin Wrong Right
Notes Ground the DCDU on the Transmission cabin. ( Use 6mm grounding cable. )
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 19
Installed the bracket assembly on the right direction
Wrong Right
Notes: Follow the label on the bracket assembly carefully. And make sure the bracket assembly of the RRU is installed on the right direction.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 20
The metal shield of RRU power cable is wrongly cut.
Wrong Right
Notes The metal shield of RRU power cable should be cut and grounding on clip inside RRU cabling cavity. The metal shield can not be cut too long and it go outside the cabling cavity.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 21
The waterproof plugs are filled in the vacant troughs
Wrong Right
Notes The water plugs should be filled in the vacant troughs of the RRU cabling cavity.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 22
Labeling the Jumpers of the RRU with the correct Label
Wrong Right
Notes Use Label ANT_0A and ANT_1A for Sector A; Use Label ANT_0B and ANT_1B for Sector B; Use Label ANT_0C and ANT_1C for Sector C.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 23
Remove the oil paint of the tower for grounding point
Wrong Right
Notes Oil paint of tower is not removed on earth grounding point. electric ability surge protection will be decreased.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 24
The power cable are grounded beside the Roxtec
Wrong Right
Notes The power cables of the RRU should be grounded by the grounding clip on the grounding bat before routed into the Roxtec.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 25
BBU and DCDU should be fixed with screws. Wrong Right
Notes BBU and DCDU should be fixed with screws. Cable ties is forbidden to use for fixing equipment.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
35pt
32pt
) :18pt
Page 26
Keep the environment of the site neat and clean Wrong Right
Notes Keep the environment of the site neat and clean. Dont leave any boxes, cables, bottles inside and outside the shelter. Take all the garbage away the site.