Kursus Rekabentuk Telefon
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Transcript of Kursus Rekabentuk Telefon
![Page 1: Kursus Rekabentuk Telefon](https://reader034.fdocuments.net/reader034/viewer/2022050708/55cf99c8550346d0339f2272/html5/thumbnails/1.jpg)
REKA BENTUK PEMASANGAN
SISTEM TELEFON
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SKOP REKA BENTUK
REKA
BENTUK
LUARAN
JENIS
SISTEM
REKA
BENTUK
DALAMAN
KEPERLUAN
RUANG
SISTEM
TELEFON
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KEPERLUAN RUANG DALAMAN
TELEFON
• BILIK SDF
• BILIK MDF
• BILIK PABX/KEYPHONE
• BILIK OPERATOR
• BILIK RISER
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Subscriber Distribution Frame
(SDF) ROOM
• The SDF is the final termination point of the TM network and the beginning of the subscriber network
• consist of:
1. Vertical frames or vertical c/w brackets/hooks
2. Termination blocks
3. Earth bar
4. Lightning arrestors
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ROOM REQUIREMENT
• Entry ducts from outside the building shall be designed to run parallel with the length of the longer side of the SDF room. Any turning or bending shall be avoided.
• SDF room must be flood free either on ground or 1st floor with a 150mm kerb across doorway (basement not allowed).
• Must be dust free - avoiding louvered doors and windows. :
• Normally equipped with Exhaust Fan, A/C if located in the basement / lower ground floor
• Must be fitted with suitable lighting
• At least 2 no. of 13A power points.
• Sprinkler system not allowed.
• Must be provided with one lockable cabinet, table and chair for TM staff use
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SDF ROOM
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RISER ROOM
• The cable risers stretch from the SDF room to the full height of the building and have access to distribution conduits on each floor of the building.
• For buildings with large floor areas (longer than 90m) in each storey, more than one cable riser at strategic points may be planned on every floor.
• This riser hole shall be sealed up with fire resistant barriers.It is important that no other services be allowed in this enclosure.
• Enclosures shall have fire resistant locked doors of min 2.1m height with the words ‘TELECOM RISER’ displayed on it One set of keys of the door shall be kept by owner for safe custody and the other by TM.
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RISER CLOSET
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RISER ROOM
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CROSS SECTION OF RISER
CLOSET
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KOMPONEN REKA BENTUK
LUARAN
R2A
JB30/
JRC7
PIT
JC9(M)/
JC9/C(M)
LURANG
TELEFON
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LALUAN KABEL MASUK KE
DALAM BANGUNAN
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REKA BENTUK DALAMAN
DESIGN
CABLING
DIAGRAM
TM’S
REQUIREMENT
CATEGORY
OF
BUILDING
INTERNAL
DESIGN
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Clasification of building
• Based on
• Number of telephone station required
• Size of incoming underground cables to
the building
• Total floor area
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Categorized of building
• Category 1
• Category 2
• Category 3
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Category 1
• Category 1
• >5 storeys and any building with total floor space exceeds 650 m2
• Size of underground cable exceeds 50 pairs
• Jointing chamber usually required outside the building to facilitate linkage of entry duct to the building
• Ie; jc9 for cabless <400 pr
• R2A for larger size of cable
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Category 2
• 5 storeys and below any building with total
floor space less than 650 m2
• Size of underground cable less than 50
pairs
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Category 3 building
• Terrace or link house for residential
purpose only
• Bungalow house for residential purpose
only
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INTERNAL DESIGN
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How to start telephone design
• Planning
1. Site visit for verification client’s property
2. Any existing telecommunication infrastructure
3. The nearest telecommunication manhole
4. Application to service provider i.e.; TM c/w survey plan and target date of completion.
5. Obtain client’s requirement.
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• Design
1. Liaise for telecommunitaion space/room
i.e., mdf room,sdf room, telefony room
riser etc.
2. Plan for external infrastructure.
3. Design internal infrastructure i.e. under
floor trunking system, internal cabling
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PABX
• Determine telephony equipment (key
phone/PABX) and size
• Design schematic diagram
• Send 3 sets to TM
site plan, location plan, key plan
internal infrastructure (layout plan of under floor
ducting, telephone rooms)
schematic diagram
external infrastructure layout
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Typical schematic diagram
Inco
min
g ca
ble
Out
goin
g ca
ble
PABX
10 Prs ‘DEL1’ DP
(Line 1 – 10)
30 Prs
‘DEL’
DP
30 Prs
‘EXT’
DP
10 Prs ‘DEL2’ DP
(Line 11 – 20)
10 Prs ‘DEL3’ DP
(Line 21 – 30)
‘EXT’
NUMBER
10 Prs ‘EXT3’ DP
(Line 21 – 30)
10 Prs ‘EXT2’ DP
(Line 11 – 20)
10 Prs ‘EXT1’ DP
(Line 1 – 10)
100/0.63mm PEUTFF
SDF
roomFrom
TM
10pr grey cable
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TERIMA KASIH