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7.2 Ferrule Endface Geometry

The dimensions in Table C are for reference only and apply after all polishing procedures have
been completed.

Table C. Recommended Singlemode Ferrule End Geometry

Item Reference

Minimum Nominal

Maximum

Dimensions

Radius A

7

12

25 mm

Pedestal

B 0.8 0.9 1.0 mm

Dome Ecc

— 0 — 0.050 mm

Chamfer

C 25 30 35

degrees

Undercut D

—

—

See Graph A

nm

Protrusion E

—

— 50 nm

Graph A. Recommended Fiber Undercut (Reference D)

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Содержание LC Fiber Optic Jumper Connectors

Страница 1: ...C Fiber Optic Jumper Connectors Epoxy Method for Singlemode and Multimode LC Simplex and Duplex Jumper Connectors Used on Simplex and Duplex 1 6 mm MiniCord Jumper Cords 640 252 054 Internal No 848 18...

Страница 2: ......

Страница 3: ...llation 10 6 1 Prepare the Connector 10 6 2 Apply Epoxy 10 6 3 Insert Fiber 11 6 4 Install Crimp Sleeve 12 6 5 Cure Connector Assemblies 13 6 6 Cool Connector Assemblies 13 6 7 Score the Fiber 13 6 8...

Страница 4: ......

Страница 5: ...bles When installed on typical fiber the following performance should be obtained Multimode Insertion loss avg 0 1 dB Return loss 30 dB Singlemode Insertion loss avg 0 2 dB Return loss 50 dB 1 2 Epoxy...

Страница 6: ...Preparation 3 1 Set Up Curing Oven 1 Place oven on a level surface and away from combustibles 2 Connect the power cord to a power source 120 V 60 Hz AC for the 200A oven and 220 V 50 Hz AC for the 200...

Страница 7: ...inches 230 mm from the end 2 Thread a cable support onto each cord narrow end first 3 Determine the buffer color of each cord by looking into the end of the cordage The duplex cord should have a blue...

Страница 8: ...ted toward the end of the cord 9 On the opposite end of the duplex cord split the jacket into two separate cords at least 9 inches 230 mm from the end 10 Thread a cable support onto each cord narrow e...

Страница 9: ...rd the end of the cord 9 On the opposite end of the duplex cord split the jacket into two separate cords at least 9 inches 230 mm from the end 10 Determine which cord has the blue buffer and which cor...

Страница 10: ...9 mm from the end 3 Use the 700A stripping tool to remove outer jacket at the 1 125 inches 28 5 mm mark 4 Lightly twist the strengthening yarn into one bundle and use scissors to cut yarn flush with t...

Страница 11: ...959 Upgrade Kit 3 Install the heat strip tube into the heat strip tool making sure the heat strip tube is fully inserted into the heat strip tool 4 Insert buffered fiber into the guide tube until the...

Страница 12: ...dditional buffer length if buffer pulls from cordage Buffer will normally push back into cord during connector plug assembly 4 4 Clean Stripped Fiber 1 Saturate a wipe with isopropyl alcohol 91 2 prop...

Страница 13: ...he resin and the hardener 3 Mix the epoxy using the divider Note The epoxy must be thoroughly mixed until both parts are blended into a smooth uniform color 4 Locate the syringe in the D 182977 or the...

Страница 14: ...cate a connector holder from the upgrade kit and snap the connector into the holder 6 2 Apply Epoxy Epoxy is injected into two areas of the connector 1 inside of the ferrule and 2 at the back of the f...

Страница 15: ...ng step do not allow epoxy on syringe tip to contaminate the small tube or the back of the connector 5 Release pressure on plunger wait a moment and then remove the syringe from the connector 6 3 Inse...

Страница 16: ...e crimp jaw with the crimp sleeve assembly lying through the crimp jaws Caution Crimping the crimp sleeve more than once can weaken the connector CRIMP ONLY ONCE 3 Apply pressure until crimping tool c...

Страница 17: ...e the fiber For duplex connectors Allow the connector holder assemblies to completely cool in the holder blocks Do not install the cable support at this time 6 7 Score the Fiber 1 Remove the connector...

Страница 18: ...00A or T2001A from D 182959 Upgrade Kit g Clean the glass plate and polishing tool with the saturated wipe h Use canned air to blow dry the glass plate and the polishing tool i Insert the LC connector...

Страница 19: ...mode Final Polish a Remove all polishing material from glass plate and replace with type L felt polishing pad purple Note Step 5b is critical for excellent return loss Perform carefully by guiding the...

Страница 20: ...ly if needed Type F yellow One spacer clear As required to remove flaw Repair polish Dry polish on glass plate After flaw is removed repeat Step 3 6 9 Repair Polishing Only 1 Place a sheet of type F p...

Страница 21: ...9 108 262 569 Upgrade Kit Note The LC adapter is a temporary aid used in installing the final components of the connector assembly 3 Ensure that the cords are not twisted 4 With the connectors still i...

Страница 22: ...ampen a wipe with isopropyl alcohol 91 2 propanol water 2 Clean the end of the ferrule with the dampened wipe followed by a dry wipe 3 Blow the ferrule dry with canned air 4 Locate the LC microscope s...

Страница 23: ...cedures have been completed Table C Recommended Singlemode Ferrule End Geometry Item Reference Minimum Nominal Maximum Dimensions Radius A 7 12 25 mm Pedestal B 0 8 0 9 1 0 mm Dome Ecc 0 0 050 mm Cham...

Страница 24: ...access to the adapter is only available from one side use canned air to blow inside of adapter 2 If access is available from both sides of the adapter clean the adapter with the LC adapter brush mois...

Страница 25: ...dicates one of the six flat positions in the hexagon handle of the Tuning Wrench that is provided in the Tuning Kit To move the Tuning Index Tool from its stationary position pull the adjustable secti...

Страница 26: ...y 10 feet 3 m of yellow cordage The beige connector with the black trigger is the offset tuning end of the jumper 9 1 4 Hard Case with Foam Insert The hard case provides a safe and convenient way to t...

Страница 27: ...end of Tuning Index Tool 2 Install jumper or BTW connector to be tuned into the test port of the fixed section large end of Tuning Index Tool 3 Make insertion loss measurement and record in the approp...

Страница 28: ...24 Tuning Index Tool Position Jumper No Tuned Turn 1 Flat CCW Turn 2 Flats CCW Turn 3 Flats CCW Turn 2 Flats CW Turn 1 Flat CW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24...

Страница 29: ...r to the tuning sheet and determine which window position yielded the lowest insertion loss 9 Note the number of turns and direction that is stamped next to the window position that yielded the lowest...

Страница 30: ...or counterclockwise direction 14 Hold connector stable and rotate the wrench the number of hex flats and in the direction determined in Step 9 15 Remove the Tuning Wrench from connector Note The jump...

Страница 31: ...ings B A are normally oriented horizontally However it is acceptable to orient the adapter 90 clockwise or 90 counterclockwise This rotated orientation will allow finger access to the connectors for i...

Страница 32: ...M SC Grips 107 480 022 10 Grips 1 ST SC Connectors Assembly Instructions Epoxy and EZ Methods See Note 1 Manual Note Obtain ST SC Connectors manual 640 252 044 from field support 1 888 342 3743 1032B6...

Страница 33: ...manual 640 252 053 from field support 1 888 342 3743 D 182977 Kit of Consumables Singlemode 108 338 591 Note Kit contains enough supplies to field assemble 200 singlemode LC connectors using heat cure...

Страница 34: ...rd 108 267 295 1 Reference Golden Singlemode LC Jumper Product Codes The Reference Golden Singlemode LC Jumper can be used to measure optical performance using a standard singlemode LC adapter This re...

Страница 35: ...information contact your OFS Fitel Sales Representative or call 1 800 344 0223 For fiber optic technical assistance call 1 888 FIBERHELP 1 888 342 3743 or contact your Network Cable Systems Represent...

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