DTAC 3G 2.1GHz - Site Solution for
South, North & North East
www.huawei.com
2HUAWEI TECHNOLOGIES CO., LTD.
New 3G cabinet Bay-face
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Circuit Breaker inside new 3G Enclosure
1. BTECH will install this cabinet on site and also install PGND cable (Ground cable) THW 1*16 sq.mm.
Green color in water proof flexible conduit from new cabinet to ground bar.
2. BBTECH will provide external alarm cable 4 core inside this cabinet 20m (For door alarm and FAN alarm).
Huawei will install this cable with Huawei external alarm cable to DTAC MDF.
63A
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New cabinet Inlet Assignment
DC input cable 25mm^2 to CB 63A
Optical patch cord to existing IPRAN
RRU power cable
CPRI cable / OIL
PGND cable 16mm^2 for cabinet
Alarm cable 3pcsTo Alarm box
1 inch
¾ inch
½ inch
Spare
MAIN 2
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Cable Inlet Assignment
Move Alarm cable 3pcs out and use this hole for patch cord from BBU 3G U2100
Existing 3G cabinet (IPRAN inside cabinet)
1 inch
¾ inch
½ inch
If existing IPRAN not in this cabinet, no need move alarm cable out.
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Circuit Breaker Requirement and Connecting
Circuit breaker in existing power supply
For Transmission For 2G BTS (125A)
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Circuit Breaker Requirement and Connecting (Have space)
If has spare circuit breaker 125A- use existing circuit breaker 125A connect DC cable 25 mm^2 to new 3G
U2100 enclosure
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New 3G U2100 Enclosure
63A
25 mm^2 cable
DC cable connection to new cabinet (Has existing CB)
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Circuit Breaker Requirement and Connecting (No Space)
If no space- Please install new circuit breaker 63A temporary inside cabinet.- Connect DC cable 25mm^2 from DC bar to new circuit breaker 63A.
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DC cable connection to new cabinet (no existing CB)
New 3G U2100 Enclosure
63A
25 mm^2 cable
New CB 63A
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CPRI/Jumper Line 1
Cable color marking
CPRI/Jumper Line 2
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PVC Tape 3M (From Local)
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How to connect all ground cable?
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Set the priority for grounding on the tower, as follows;
1) Connect to bus bar installed on tower by using 2 holes cable lug.
2) Connect to the main ground cable from tower to ground
How to connect all ground cable?
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3) Connect to lightning protection ground cable
4) Connect between the tower segments connection. (If any additional ground cable, can be grounded to this cable by using C-clamps as shown below)
How to connect all ground cable?
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5) Run a new main ground cable from equipment to ground level and Connect the equipment on the tower to the new main ground cable with C-clamps.
How to connect all ground cable?
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Solution –Part 1
1) Tower• Guyed mast• Self Slope• Square Self (L type)
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Solution –Normal Tower
Type S IDCriterias( GM /L)
Tower type Site Solution Description Antenna LevelMounting
typeAntenna Problem
2G Only
1.1a
2G Ant <= 3
Guy Install new 3G U2100 ant same level 2G. same level 2G Single arm mounting
1.1b Sq. Self / Self slope Install new 3G U2100 ant same level 2G. same level 2GSingle arm mounting
Special mounting
1.2a
2G Ant > 3
Guy / Sq. Self
Install new 3G U2100 ant below level 2G . below level 2G
Single arm mounting
1.2b Self slopeSingle arm mounting
Special mounting
2G +3G (850)
2.1a 2G Ant <=3 , 3G (850) =3
Guy
Install new 3G U2100 ant same level 2G. same level 2G
Single arm mounting
2.1b Sq. Self; Self slopeSingle arm mounting
Special mounting
2.22G Ant > 3 and <= 6,
3G (850) = 3 Guy /Sq. Self / Self
slopeinstall new 3G U2100 ant same level 3G. same level 3G(U850)
Single arm mounting
Special mounting
2.3a
2G Ant > 6, 3G (850) = 3
Sq. Self /Self slope
priority-1 : install new 3G U2100 ant same level 3G. (Check by level 2 engineer)
same level 3G(U850)Single arm mounting
Special mounting
priority-2 : Re-enforce tower same level 3G(U850)Single arm mounting
Special mounting
2.3b Guy
priority-1 : install new 3G U2100 ant same or lower than 3G 850. (Check by level 2 engineer)
same level 3G(U850)Single arm mounting
Special mounting
priority-2 : Re-enforce tower same level 3G(U850)Single arm mounting
Special mounting
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Only 2G
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Solution 1.1a (2G ant <=3)
Condition:1.Only 2G2.tower&Antenna• Guyed mast
Solution:• Single band ant ,Install new 3G U2100
ant same level 2G.
Antenna mounting type:• Single arm mounting.
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Solution 1.1b (2G ant <=3)
Condition:1.Only 2G2.tower&Antenna• Square self (L type)/Self
slope
Solution:• Single band ant ,Install new 3G U2100
ant same level 2G.
Antenna mounting type:• Single arm mounting (Special
mounting)
24HUAWEI TECHNOLOGIES CO., LTD.
Solution 1.2a (2G ant >3)
Condition:1.Only 2G2.tower&Antenna• Guyed mast• Square self (L type)
Solution:• Single band ant ,Install new 3G
U2100 ant below level 2G.
Antenna mounting type:• Single arm mounting.
25HUAWEI TECHNOLOGIES CO., LTD.
Solution 1.2b (2G ant >3)
Condition:1.Only 2G2.tower&Antenna• Self slope
Solution:• Single band ant ,Install new 3G U2100
ant below level 2G.
Antenna mounting type:• Single arm mounting (Special
mounting)
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2G + 3G (850)
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Solution 2.1a {2G ant <=3, 3G (850)=3}
Condition:1. 2G + 3G (850)2.tower&Antenna• Guyed mast
Solution:• Single band ant ,Install new 3G U2100
ant same level 2G.
Antenna mounting type:• Single arm mounting.
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Solution 2.1b {2G ant <=3, 3G (850)=3}
Condition:1. 2G + 3G (850)2.tower&Antenna• Square self (L type)/Self
slope
Solution:• Single band ant ,Install new 3G U2100
ant same level 2G.
Antenna mounting type:• Single arm mounting (Special
mounting)
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Solution 2.2 {2G ant >3 and <=6, 3G (850)=3}
Condition:1. 2G + 3G (850)2.tower&Antenna• Guyed mast / Square self (L type) / Self
slope
Solution:• Single band ant ,Install new 3G U2100
ant same level 3G(U850).
Antenna mounting type:• Single arm mounting (Special
mounting)
30HUAWEI TECHNOLOGIES CO., LTD.
Solution 2.3a {2G ant >6, 3G (850)=3}
Condition:1. 2G + 3G (850)2.tower&Antenna• Square self (L type) / Self slope
Solution: priority 1• install new 3G U2100 ant same level
3G 850. (Check by level 2 engineer).
Antenna mounting type:• Single arm mounting (Special
mounting)
Solution: Priority 2• Re-enforce tower (Install same level
3G)
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Solution 2.3b {2G ant >6, 3G (850)=3}
Condition:1. 2G + 3G (850)2.tower&Antenna• Guy mast
Solution: priority 1• install new 3G U2100 ant same level
3G 850. (Check by level 2 engineer).
Antenna mounting type:• Single arm mounting (Special
mounting)
Solution: Priority 2• Re-enforce tower (install same level
3G)
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Solution –Part 22、 Special tower• Pole(3M)• Pole(6M/9M)• Wall-mount Pole• Electrical Pol
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Solution – Special Tower
Type S IDCriterias ( GM /L)
Tower type Site Solution Description Antenna LevelMounting
typeAntenna Problem
2G Only
3.1a 2G Ant <= 3 Pole 3 ,6 , 9
Priority-1 : install new 3G U2100 ant same level 2G same level 2G
Single mounting
T mounting
Down time 3 Hours
Priority-2 : Dual band antenna same level 2G ExistingDown time
3 Hours
3.1b 2G Ant > 3 Pole / Electrical
Pole
Priority-1: Check by level 2 engineer ; (Change to dual band 1800+2100 antenna)
same level 2G ExistingDown time
3 Hours
priority-2 : Re-enforce tower (Change to dual band 1800+2100 antenna)
same level 2G ExistingDown time
3 Hours
priority-3 : New Pole
priority-4 : Combiner Solution
2G +3G (850)
3.22G Ant >=3 , 3G (850) =3
Pole / Electrical Pole
Priority-1: Check by level 2 engineer ; (Change to dual band 850+2100 antenna)
same level 3G ExistingDown time
3 Hours
priority-2 : Re-enforce tower (Change to dual band 850+2100 antenna)
same level 3G ExistingDown time
3 Hours
priority-3 : New Pole
priority-4 : Combiner Solution
34HUAWEI TECHNOLOGIES CO., LTD.
Power supply Solution• Solution #1 : Add new rectifier module+ new battery• Solution #2 : Install new rectifier cabinet +battery
system• Solution # 3 : Replace existing rectifier
Note: only confirm solution, for other work will be done by DTAC.
35HUAWEI TECHNOLOGIES CO., LTD.
Solution #1 : Add new rectifier module+ new battery
AC cable
AIR
BTS
Rectifier &Battery
Transmission RRU 850
Combiner
Battery
Add new
module
Module
Add new Battery
RRU 2.1Ghz
2.1GhzCabinet
• Add new rectifier module 1 unit + Add Battery 1 String
36HUAWEI TECHNOLOGIES CO., LTD.
Solution #2 : Install new rectifier cabinet +battery system
AC cable
AIR
BTS
Existing Rectifier &Battery
Transmission RRU 850
Combiner
Battery
New Rectifier & Battery
for DTN
Module
2.1GhzCabinetBattery
RRU 2.1Ghz
Add new rectifier and battery 1 set ( 3 modules and 1 battery set )
37HUAWEI TECHNOLOGIES CO., LTD.
Solution # 3 : Replace existing rectifier
AC cable
AIR
BTS
Rectifier &Battery
Transmission RRU 850
Combiner
Battery
Module
Replace to new rectifier
cabinet
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THANK YOU!