DTAC 3G Phase 2.1 Site Solution_V4

DTAC 3G 2.1GHz - Site Solution for

South, North & North East

www.huawei.com

2HUAWEI TECHNOLOGIES CO., LTD.

New 3G cabinet Bay-face

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.

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

MAIN 2

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.

Circuit Breaker Requirement and Connecting

Circuit breaker in existing power supply

For Transmission For 2G BTS (125A)

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

New 3G U2100 Enclosure

25 mm^2 cable

DC cable connection to new cabinet (Has existing CB)

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.

DC cable connection to new cabinet (no existing CB)

New 3G U2100 Enclosure

25 mm^2 cable

New CB 63A

CPRI/Jumper Line 1

Cable color marking

CPRI/Jumper Line 2

PVC Tape 3M (From Local)

How to connect all ground cable?

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

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)

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.

Solution –Part 1

1) Tower• Guyed mast• Self Slope• Square Self (L type)

Solution –Normal Tower

Type S IDCriterias( GM /L)

Tower type Site Solution Description Antenna LevelMounting

typeAntenna Problem

2G Only

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

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

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

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

Only 2G

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.

Solution 1.1b (2G ant <=3)

Condition:1.Only 2G2.tower&Antenna• Square self (L type)/Self

ant same level 2G.

Antenna mounting type:• Single arm mounting (Special

mounting)

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.

Solution 1.2b (2G ant >3)

Condition:1.Only 2G2.tower&Antenna• Self slope

ant below level 2G.

mounting)

2G + 3G (850)

Solution 2.1a {2G ant <=3, 3G (850)=3}

Condition:1. 2G + 3G (850)2.tower&Antenna• Guyed mast

ant same level 2G.

Solution 2.1b {2G ant <=3, 3G (850)=3}

Condition:1. 2G + 3G (850)2.tower&Antenna• Square self (L type)/Self

ant same level 2G.

mounting)

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

ant same level 3G(U850).

mounting)

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).

mounting)

Solution: Priority 2• Re-enforce tower (Install same level

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).

mounting)

Solution: Priority 2• Re-enforce tower (install same level

Solution –Part 22、 Special tower• Pole(3M)• Pole(6M/9M)• Wall-mount Pole• Electrical Pol

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

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)

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)

3 Hours

priority-2 : Re-enforce tower (Change to dual band 850+2100 antenna)

3 Hours

priority-3 : New Pole

priority-4 : Combiner Solution

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.

Solution #1 : Add new rectifier module+ new battery

AC cable

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

Solution #2 : Install new rectifier cabinet +battery system

AC cable

Existing Rectifier &Battery

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 )

Solution # 3 : Replace existing rectifier

AC cable

Rectifier &Battery

Combiner

Battery

Module

Replace to new rectifier

cabinet

THANK YOU!

DTAC 3G Phase 2.1 Site Solution_V4

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