OSP (Outside Plant)By SUN Telecom

FTTx FTTH Solutions

1. FTTx Cable Network Overview

2. ODN Architecture Analysis

3. Node Design

4. Fiber Optic Cable

5. Fiber Optic Terminal Equipment

6. Fiber Optic Passive Components

7. Other Equipments

8. Information Pipeline Design

9. Light Budget Calculation

CONTENTS

FTTx FTTH Solutions

FTTx Cabling System consists of fibers,

terminal devices, passive components, etc for

connecting between OLTs and ONUs

FTTx FTTH Solutions

FTTx FTTH Solutions

Distribution Splitting

Aggregation Splitting

Centralized Splitting

FTTx FTTH Solutions

Cascading Splitting (1 x 8 / 1x 4 or 1x 4 / 1x 8)

FTTx FTTH Solutions

Placement

POS Located in LCP and NAP

Features

Multi-point testing and maintenance

High optical loss

Low OLT PON port utilization rate

Complicated network structure, hard to maintain

Application

Aerial access method

Network reform

FTTx FTTH Solutions

Single Splitting (1 : 32)

FTTx FTTH Solutions

Placement

LCP

Features

Integrated link testing and user management

Low optical loss

High OLT PON port utilization rate

Low cost for splitter

Simple network topology, easy to maintain

Application

Duct access method

New project

FTTx FTTH Solutions

FTTx FTTH Solutions

Placement

Central Office

Features

Single point link testing and maintain

Low Optical loss

High OLT PON port utilization rate

Low cost for splitter

Dedicated cable for each house

Flexible topology

Huge infrastructure cost

Application Duct access, new project, user close to CO

FTTx FTTH Solutions

OLT Central Office

Local Convergence Point

Network Access Point

User Terminal

FTTx FTTH Solutions

OLT Central Office deployment and design

requirement

OLT central office should be easy to handling large

equipment

Enough space for device installation and storage

Good working environment (Temperature & Humidity)

Central Office construction standard

CO with fire safety equipment

The CO should far away from high-intensity vibration

source, noise source, electromagnetic interference, and

flammable and explosive materials

FTTx FTTH Solutions

Provide -48V power supply

Highest power load requirement that the area

can have

Individual power line access, dedicated power

distribution box

UPS power supply

FTTx FTTH Solutions

AC/DC Power supply grounding

Section size of grounding wire should greater

than 25mm2

Ground resistance should be less than 5 ohm

FTTx FTTH Solutions

User aggregation point

Located in place that is easy to manage and

maintain

Building distributor, vertical shaft, outdoor

optical cross-connection cabinet, man hole,

pole etc

Active connection, easy to inspect and

maintain

FTTx FTTH Solutions

Close to subscriber

The terminal device can not too big

Floor vertical shaft, staircase, electrical pole

Distribution cable spliced with drop cable

FTTx FTTH Solutions

For FTTH application, dedicated box for install

ONU, embedded on the wall

Local power supply

FTTx FTTH Solutions

Feeder Fiber Cable

Distribution Fiber Cable

Drop Cable

FTTx FTTH Solutions

Feeder Cable for connection Cable from ODF

in central office and splitter distribution cabinet

in LCP

Application : Direct burial, Duct installation,

Aerial

FTTx FTTH Solutions

GYTA53 Cable

Features 2 ~ 144 cores

Dual Armor dual jacket, gel-filled loose tube cable

High mechanical properties

Application: Duct, aerial (lashed), direct burial

FTTx FTTH Solutions

GYTC8S Fiber Cable

Features Armored, stranded gel-filled loose tube cable (Non-

armor available)

Stranded steel wires as self-supporting unit

High mechanical properties

Application: Aerial with

self-support

FTTx FTTH Solutions

GYFDTS Ribbon Fiber Cable

Features Armored, gel-filled loose tube cable

Non-metallic central strength member

Application: Duct, Aerial (lashed)

FTTx FTTH Solutions

For connection Splitter distribution point to fiber

distribution point, Indoor or outdoor application

0.9mm Distribution Cable

2.0mm Distribution Cable

FTTx FTTH Solutions

FTTx FTTH Solutions

Distribution Cable

Large cores distribution indoor cable

Aramid yarn as strength member

Non-metallic central strength member

High Mechanical property

Application: Premises distribution system,

horizontal backbone cabling, Indoor LAN,

interconnect

FTTx FTTH Solutions

FTTx FTTH Solutions

Break-out Cable

Multi cores breakout cable with 2.0 / 3.0mm

subunits

Aramid yarn as strength member

Non-metallic central strength member

Higher mechanical properties

Application: premises distribution system,

Vertical backbone cabling, indoor LAN,

interconnect

FTTx FTTH Solutions

The last-mile of the ODN

Direct burial, duct, or aerial installation

FTTx FTTH Solutions

FTTx FTTH Solutions

2013-06-03

Steel messenger wire to ensure high tensile.

Low smoke, zero halogen and flame retardent

sheath.

Good mechanical and environmental

characteristics

Soft, flexible, easy to lay and splice

Simple Structure, light weight and high

practicability

Big data transmission capacity

FTTx FTTH Solutions

FTTx FTTH Solutions

Steel messenger wire to ensure high tensile.

Low smoke, zero halogen and flame retardant

sheath.

Good mechanical and environmental

characteristics

Soft, flexible, easy to lay and splice

Simple Structure, light weight and high

practicability

Big data transmission capacity

FTTx FTTH Solutions

Optical Distribution Frame

Rack Mount Terminal Box

Fiber Optic Splice Closure

Splitter Joint Closure

Cross-connection Cabine

Fiber Distribution Terminal Box

Splitter-type Terminal Box

Optical Distribution Network

Splitter type ODN

ODN Home Patch Panel

FTTx FTTH Solutions

Locate in Central Office

Connection between Outside fibers with active

equipment

Various interface available SC, FC or LC

Max. 792 fibers, high terminal density

FTTx FTTH Solutions

FTTx FTTH Solutions

2013-06-03

High reliable and flexible

19” standard rack chassis

SC, ST, FC, DLC and other types of patch

panel

FTTx FTTH Solutions

Inline-type FOSC

Dome-type FOSC

Mini-type FOSC

FTTx FTTH Solutions

For aerial, direct burial and duct application

Rubber sealing

4, 6, 8 cable ports

FTTx FTTH Solutions

For aerial and duct application

Heat-shrinking sealing or mechanical sealing

3 ~ 7 cable ports

FTTx FTTH Solutions

Mini dimensions

Easy to open and install

12 / 24 fibers

FTTx FTTH Solutions

PLC splitter could be put inside

Different sealing accessories for different cable

FTTx FTTH Solutions

96 ~ 1152 fibers

Stainless steel, SMC

IP 65

FTTx FTTH Solutions

FTTx FTTH Solutions

FTTx FTTH Solutions

Fiber distribution and patching

Reliable fixing device for optical fiber

FTTx FTTH Solutions

Splitter can be placed inside

Drop cable fixation device

FTTx FTTH Solutions

Wall mount and pole mount

FTTx FTTH Solutions

Splitter inside

FTTx FTTH Solutions

1/2/4 fiber cores

A86 patch panel

FTTx FTTH Solutions

Passive Optical Splitter

Adapter / Connector

Fast Assembly Connector

Pigtail

Patch Cord

FTTx FTTH Solutions

PLC Splitter (1 (2) : 128), or FBT Splitter (1 (2) :

8)

Bare Fiber, Blockless, Fan-out type, Module,

LGX, Rack Mount

Average splitting or not

Splitter Loss: 1:N Splitter, the loss for port I

with Y% optical power P = a x 10lg[Y%]

FTTx FTTH Solutions

Use of lithography, the semiconductor

substrate in the medium or the formation of

optical waveguide

Wide wavelengths range and temperature

Equal splitting ratio

Compact size,

Max. 1:128

Low cost for high

splitting ratio

FTTx FTTH Solutions

FTTx FTTH Solutions

FTTx FTTH Solutions

Fused Biconical Taper, this is traditional

technology to weld several fiber together from

side of the fiber

Low cost in low splitting ratio

Wavelength sensitive

Low non-uniformity

TDL large

Large size for high splitting ratio

FTTx FTTH Solutions

FTTx FTTH Solutions

Parameters PLC Splitter FBT Splitter

Wavelength Range (nm) 1260 ~ 1650nmSingle/dual/triple

window

Splitting Ratio Equal divisionEqual or non-equal

division

Dimensions SmallLarge size for multi

channel

Wavelength Sensitivity Low High

CostLow splitting channel,

high price

Price is lower for small

channel splitter

FTTx FTTH Solutions

FC, SC, LC

SM / MM

Low insertion loss

Metal or plastic housing

Hybrids

FTTx FTTH Solutions

Pre-embedded fiber and pre-polished ceramic

ferrule

Less than 1 minute operation time

Long life span

FTTx FTTH Solutions

SC, FC, LC

FTTx FTTH Solutions

FC, SC, LC

FTTx FTTH Solutions

Single / Dual end connector

SC/PC or SC/APC

Customized length

FTTx FTTH Solutions

Fusion Splicer and Cleaver

Tools and Tool Kits

Test Equipment

FTTx FTTH Solutions

FTTx FTTH Solutions

FTTx FTTH Solutions

PON Power Meter

Fiber Optic Talk set

FTTx OTDRs

Fiber Fault Locator

FTTx FTTH Solutions

Requirement for cable laying

Requirement for indoor cable channel

FTTx FTTH Solutions

Outdoor cable laying requirement

Indoor cable laying requirement

Tube requirement

Tube material

Tube Routing

Tube Dimensions

Tube length and bending

Man hole configuration

FTTx FTTH Solutions

Indoor Cable laying requirement

Cable shaft configuration

Vertical tube laying requirement

Indoor Cabinet installation

In house distribution box

Patch panel

Indoor tube requirement

Indoor line tank laying requirement

FTTx FTTH Solutions

EPON System

CATV System

FTTx FTTH Solutions

Light Budget Calculation

Items Unit Single Fiber (PX20)

OLT

Min Output Power dBm 2

Max Output Power MAX dBm 7

Min Sensitivity dBm -27

Min Overload dBm -6

ONU

Min Output Power dBm -1

Max Output Power dBm 4

Min Sensitivity dBm -24

Min Overload dBm -3

FTTx FTTH Solutions

Name Avg. Loss (dB)

ConnectionAdapter 0.2

Fusion Splicing 0.01

Splitter

1:32 16.8

1:16 13.7

1:8 10.5

1:4 7.3

1:2 4.0

Cable (G. 652)1310nm 0.36 /km

1490nm 0.25 /km

Power Loss Point Analysis

FTTx FTTH Solutions

Length of Fiber Cable

Wavelength of the Light

Quantity of Adapter

Number of Quick Connection Connector

Splitter

ODN Light Budgeting (Example)

FTTx FTTH Solutions

FTTx FTTH Solutions

Topology (Example)

Loss Type Qty

Avg.

Loss

(dB)

Total Avg. Loss (dB)

1:64 1:32 1:16 1:8 1:4 1:2

Cable (G.652) (km) 20 0.36 7.2 7.2 7.2 7.2 7.2 7.2

Adapter (pc) 4 0.2 0.8 0.8 0.8 0.8 0.8 0.8

Extra Loss 1 1 1 1 1 1 1 1

Passive

Optical

Splitter

(pc)

1:64 1 21.0 21.0

1:32 1 16.8 16.8

1:16 1 13.7 13.7

1:8 1 10.5 10.5

1:4 1 7.3 7.3

1:2 1 3.2 3.2

Total Loss (dB) 30 25.8 22.7 19.5 16.3 12.2

20km Optical Loss (One Splitter)

10km Optical Loss (Two Splitters)

Loss Type Qty

Avg.

Loss

(dB)

Total Avg. Loss (dB)

1:64 1:32 1:16 1:8 1:4 1:2

Cable (G.652) (km) 10 0.36 3.6 3.6 3.6 3.6 3.6 3.6

Adapter (pc) 6 0.2 1.2 1.2 1.2 1.2 1.2 1.2

Extra Loss 1 1 1 1 1 1 1 1

Passive

Optical

Splitter

(pc)

1:64 1 21.0

1:32 1 16.8 16.8

1:16 1 13.7 13.7

1:8 1 10.5 10.5

1:4 1 7.3 7.3

1:2 1 3.2 3.2 3.2 3.2 3.2 6.4* 3.2

Total Loss (dB) 25.8 22.7 19.5 16.3 12.2 8.7

1:64, 1:32 Optical Budgeting

20km 15km 10km 5km

1:64 1:32 1:64 1:32 1:64 1:32 1:64 1:32

1:64 30 28.2 25.8 24

1:32 25.8 24.0 22.7 20.9

Total Loss 30 25.8 28.2 24.0 25.8 22.7 24 20.9

FTTx FTTH Solutions

1550nm

Transmitter: 19.5dBm

Receiver: -6 ~ 2dBm (-10 ~ 2dBm)

19.5dBm – 24.8dBm = - 5.3dBm

Question & Answer

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FTTx FTTH Solutions