Designing of Passive Network to approach the customer
Supply of Microducts, Fiber Optic Cable and related accessories including clamps etc.
Installation of Ducts
Installation of Fiber optic cable in ducts by blowing/Pulling at customer come up.
Testing
Maintenance
Schematic Layout for GPON and GEPON FTTH Network:
Proposed Ducts for FTTx
2 Way FuturePath 12/8 mm
3 Way FuturePath 12/8 mm
4 Way wall mounted FuturePath
8 Way FuturePath
MicroDuct joined with Coupler
4 Way FuturePath
12mm Micro Coupler
Model 1 - High Riser (Single Splitting)
One 2:32 splitter has been deployed at the basement
From Basement 8 numbers of 4 way future path will be taken vertically along the shaft clipped at every 1 meter
Route One 4 way Futurepath to each floor
At floors the outer sheath is cut from Microduct cutters to terminate Microducts at each apartment upto ONT’s
Microduct couplers are provided for coupling at termination points
Single Fiber Pigtails are then pulled through FRP rods
Pigtails are easily and smoothly pulled from top to bottom through Microducts from ONT’s to Splitter Boxes
(Coextruded inside ribbed permanent lubrication at the inner part of duct reduces the coefficient of friction inside by < .06)
Ensure bending radius of microducts to be maxicum 20 times the diameter of the microduct
Model 2- High Riser (Multiple Splitting)
Model -2 has 2 splitters. One 1:16 at basement and one 1:16 at 5th floor
1:16 splitter can take care of 4 floors with 4 flats on each floor
4 No’s of 4 way future path taken along shaft of the building each one terminating at each floor
From each 4 way Futurepath 4 Individual ducts are terminated to each flat upto ONT’s
Pigtails are pulled from top to bottom from ONT’s at floor to basement splitter box though FRP rods
Second splitter placed at 5th floor. 4 No’s 4 way future paths are run to take care of rest of the building
For more than 4 apartments each floor, additional 2,3 or 4 way Futurepath can be put
Ensure bending radius of Microducts to be maximum 20 times the diameter of the Microduct
Model 3 - Small Complexes
Small building with 8 apartments, 2 flats on each floor
1:8 Splitter Box to be set up at the basement
4 No’s 2 way future path to be take along the shaft of the riser with clippings at every meter for the proper ducting in the building
One 2 way Futurepath terminated to each Floor
Invidual Microduct terminated in each apartment through Microduct couplers
Single Fiber Pigtails are then pulled in each duct from Top- Bottom from ONT’s to Splitter boxes in the basement
Model 4 - Scattered Area
Considered 3 splitters as per requirement of the scattered area
2:4 Splitter is used to provide 4 Outputs
Fiber Loops created as per the area density and Area plan
2:32 Splitter used for each loop
4 way or 8 way future paths are deployed as per the customer density
Future path’s are buried under the ground or put in some defined utility corridor of township
One Microduct terminated to each house by simply cutting the sheath of the Futurepath and putting a coupler accordingly
Single fiber pigtails are then pulled into them through FRP rods from Splitter Boxes to Individual households
AT for Microduct deployment in FTTx
Microducts should be checked from end to end and be ensured that it has not choked with any thing and is through for Fiber pulling or blowing .This can be ensured by performing Bead ball test
Prior to Single Fiber Pigtail Installation and after the installation losses to be checked properly through OTDR
Checks should be done to ensure that bending radius of Microducts has been maintained throughout or not
Insertion of couplers has been done properly our not. It can be manually checked and corrected
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