installation problems.ppt
Post on 04-Apr-2018
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Signal alarm cable
Picture below is signal cable that connect from BBU to USLP2 board (length of this signal cable is short but is
enough to connect from BBU to USLP2 board. USLP2 board(yellow circle) always sent by huawei and must be
install on the SLPU module (position at slot 0)
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Signal alarm cable from PSU monitor (com 485) to Battery rack (com in). The length signal cable is long and must be
protected by conduit when distributed from BTS to Battery rack
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Distribution CPRI
When receive BTS cabinet, CPRI cable already install but their distribution is wrong. Your team must change it
direction from left to right. This direction is for 2G installation
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Cable Distribution Hole
Cable distribution inside cabinet must be block. This material always sent by huawei. Dont use rubber to block it
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Power & Ground Cable
Power fan must be install at battery rack and put in fuse no 3 in BTS for it DC power
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Power for IDU connect at BTS according to its type. For IDU 620 must use 15A and for IDU 605 use 5A
IDU 605
IDU 620
If you not have spare 15A on BTS you can change it fuse.
Thing that cover by plastic is tool to change the fuse
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Grounding cable must be install on each module and cabinet
IDU 605
IDU 602
NB : for IDU 602 must prepare local
purchase for bolt because the bolt is not
provide by huawei and cant use existing bolt
DDF
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Battery rack and BTS
For battery rack cable can connect it to BTS first or directly connect to Grounding Bus
bar. For BTS must connect to Grounding Bus Bar
Grounding bus bar
NB : Battery rack
ground cable at yellow
circle and BTS ground
cable at green circle
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Installation Heatshrink and PVC
All installation power and ground cable must be covered by heatshrink. The installation heatshrink must be good
without copper cant see
AC Power
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Ground cable
PVC must be seal
For seal PVC you can use
insulating tape or rubber
Cable distribution outside cabinet
Distribution all cable outside
cabinet must protected by
PVC
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Module Position
DDF module must be install and position is above IDU module and below BBU
IDU
DDF
IDU
DDF
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USLP2 board must install at USLP module at slot 0
USLP2 board position must be on SLPU module on slot 0 not on BBU
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Installation Feeder
First thing for jumper feeder, connection on DRFU board must be tight and label according to the standard
ANT1
ANT2
For installation feeder at DRFU board, TX connect to ANT1 and RX connect to ANT2. The connection
must be tight and reliable. Main label feeder must be install is color ring and for addition marker yellow
feeder.
For color ring REDis for sector 1,Yellowis for sector 2 and Blue is for sector 3. For 2 ring is for TX and
1 ring is for RX.
For marker yellow label A means TX and B means RX. For sector, starting from number 0 as sector 1
Note : Color ring insulating tape always been sent by huawei. So each site should have this material
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Installation label feeder position
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Wateproofing must use 3x insulating, 3x rubber, 3x insulating and ties
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MW Installation
Below Cap on MW antenna must be remove so water can flow
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Distribution IF cable must down toward
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