Sumitomo T25 Splicer User Guide
Contents
1. loose buffered fibre 900 um loose 250 um 125 um buffered coating coating cladding CLEAVING THE FIBRE WITH THE FC 6S 1 Ensure the fibre cleaver has Attached a the top clamp lever open collector b the coating clamp lid open up an c the off cut collector lid open Coating d the blade in the forward positi oe the blade in the forward position lid open Blade carriage in forward position Page 6 of 12 2005 Sumitomo Electric Europe Limited 2 The coating clamp on the FC 6S has two grooves one for 250 um primary coated fibre and one for 900 um secondary coated tight buffered fibre Lower the fibre into the correct groove without touching the exposed cladding with the end of the fibre coating at the 10 mm mark on the ruler Ensure also that the fibre is lying straight across the lower rubber clamp pads Carefully close the magnetic coating clamp lid to hold the fibre in place Cleave length 10 mm Coating clamp lid Coating clamp Groove for 900 um fibre Rubber Groove for 250 um fibre clamp pads Rubber clamp pads 3 Gently lower the off cut collector lid note the off cut lid does not close fully or sit flush at this stage and then lower the clamp lever Lower Bs eA clamp lever Off cut lid not fully closed Cleaver blade 5 Open the clamp lever and the coating clamp and lift the fibre from the cleaver Important ensure the newly cleaved fibr2. life Changing electrodes Before changing electrodes disconnect the T 25 from any external power supply and remove the battery The electrodes may be easily changed by undoing the thumb screws indicated on the electrode clamps Do not touch the metal part of the electrodes and ensure the new electrode is fully inserted with the blue plastic against the electrode clamp when the thumb screw is tightened End of electrodes with blue plastic cover To execute the arc conditioning programme select Maintenance on the main menu navigate the menu as described in the Splicer Settings chapter followed by Conditioning Arc When the Arc conditioning is complete select Reset arc count The new electrodes are now ready for use Restore data The Restore Data function on the Maintenance submenu allows the splicer settings to be restored either to the factory defaults or a previously saved set of values Self inspection When selected the splicer automatically runs through a series of tests on the main components e g the circuit board the motor drive the optical unit and the heater Page 10 of 12 Splicer stage Maintenance Conditioning Arc Restore Data Reset Arc Count 0008 elect Conditioning Arc to start programme All Count 00000147 The programme Back SELECT completes 30 arcs Maintenance Conditioning Arc Restore Data Self Inspection Reset Arc
3. representative 2005 Sumitomo Electric Europe Limited Page 3 of 12 PREPARING THE T25 Charging the battery Plug the ADC 1635 mains adapter into the external battery charger BC 25A and insert one or both batteries for charging During charging the red LED by the battery will flash When the LED is on continuously the battery is fully charged Caution batteries may become hot whilst charging and due care should be taken Inserting the internal battery Internal connector 1 Open cover 2 Insert battery Attaching and connecting the IF 25R interface unit 1 Unscrew the finger screws and remove the blanking plate from the back of the T 25 Blanking plate Interface connection Finger screws 2 Plug the Interface unit in at the back of the T 25 and tighten the finger screws Mains Supply Plug the ADC 1240 mains adapter directly into the IF 25R interface unit when fitted Page 4 of 12 2005 Sumitomo Electric Europe Limited ADJUSTING THE SETTINGS Navigating the settings menu system From the initial ready screen the i button gives access to the settings menu shown below The menus can be navigated using the keypad as follows and M scroll up or down through menu items O select menu item and M toggle on off options or increase decrease numbers jil button i move back up to main menu M Mset START O button m SM1 60mm M customise detailed splice program settings outside th
4. Count 0008 Select Reset Arc Count All Count 00000147 iJBACK O SELECT Select Maintenance Conditioning Arc Restore Data Reset Arc Count 0008 Select Self Inspection All Count 00000147 M iJBACK SELECT Restore Data Thumb screws on electrode clamps Conditioning Arc Conditioning 1 30 m ijDATA MARC Reset Arc Count Arc count has been reset Maintenance Conditioning Arc Restore Data Reset Arc Count 0008 All Count 00000147 Mi BACK OSELECT Self Inspecting Circuit Board Good Motor Drive eoleo Optical Unit Good Heater eooo M er Welk 2005 Sumitomo Electric Europe Limited Disposal of fibre off cuts Sharps Fibre off cuts or sharps must be disposed of properly and according to health and safety regulations Remove the off cuts collection box and carefully empty into a suitable safety bin Do not attempt to remove any remaining off cuts from the box with your fingers Cleaning splicer v grooves fibre guides and coating clamps These can be cleaned with cotton buds and IPA On no account should anything harder than a sharp wooden stick be used to clean the fibre V grooves in the coating clamps Cleaning cleaver blade and coating clamp The cleaver blade coating clamp grooves and fibre clamp pads can be cleaned with either cotton buds or lint free wipes and IPA Cleaning optics The prisms in the wind hood can be cleaned with IPA and
5. SUMITOMO ELECTRIC EUROPE Ltd User Guide T 25S L Coating Clamp T 25U L Coating Clamp DESCRIPTION The T 25 is a fast compact fusion splicer designed for joining optical fibres where the unit s small size and low weight are significant advantages or where splicing performance requirements do not justify the added cost and complexity of a core alignment splicer With good quality fibre the T 25 is capable of achieving extremely low loss splices when operated according to this user guide FEATURES The T 25 is a compact splicing system consisting of the following elements e 1 25 splicer with heatshrink oven T25 Splicer e Rechargable internal battery BU 25 e 2 bay battery charger BC 25A e AC DC mains adapter ADC 1635 and mains lead for the battery charger Internal battery AC DC adapter Battery charger BU 25 ADC 1635 BC 25A In addition to the basic elements of the T 25 splicing system described above the following standard accessories are available e FC 6S cleaver with automatic off cut collection for use with both 250 um and 900 um fibre e IF 25R Interface unit mains input through the ADC1240 adapter DC serial output e AC DC adapter ADC 1240 for the interface unit IF 25R e Rechargeable internal batteries BU 65 e Fibre stripper e Loose tube cutter e Fluid dispenser bottle e Electrodes ER 9 e Neck strap FC 6S Cleaver i gt AC DC adapter Fluid dispenser Fibre stripper ADC 1240 IF 25R In
6. cotton buds lint free wipes The microscope lens is situated beneath the electrodes Always clean this when changing electrodes If more frequent cleaning is required the electrodes can be removed and reinstalled as described above Perform the conditioning arc programme after reinserting the electrodes but do not reset the arc counter unless a new set of electrodes has been installed Cleaver Blade Setting Adjustment The cleaver blade has 12 numbered settings each of which will last for approximately 1000 cleaves To move the blade to a new position loosen the blade securing screw rotate the blade to the next numerical position and tighten the blade securing screw Once all blade positions have been used a new blade must be fitted please refer to the instruction sheet supplied with the cleaver for advice on this procedure TROUBLESHOOTING e Necked fibre splice bad cleave w or fibre slipping in coating clamp Clean coating clamps re cleave fibres and ensure fibres are inserted correctly in splicer C Necked fibre e Bubble or black line For multimode fibres increase the pre fusion time and do an arc test For single mode fibres this may indicate non identical fibres Kink or offset after splicing probably caused by an offset prior to splicing perhaps due to dirt in the splicer V grooves or coating clamps Clean V grooves and coating clamps re cleave and ensure fibres are inserted correctly in splicer Bump i
7. e end does not touch anything 2005 Sumitomo Electric Europe Limited Page 7 of 12 SPLICING THE FIBRES The fibres are lowered into the splicer as illustrated below Fibre exit pad Coating clamps Centre V grooves Front guide Middle guide Rear guide Centre of electrodes Fibre exit pad 1 Check the bare fibre length against the ruler on the coating clamp lid ensuring the bare fibre end does not touch the splicer and then open the coating clamp lid 2 Carefully lower the fibre into the fibre guides with the fibre end as close to the centre of the electrodes as possible On 900 um loose buffered fibre the end of the 900 um coating should be just at the front of the middle fibre guide Important ensure the fibre end face does not touch any part of the splicer or the other fibre end 3 Close the magnetic coating clamp lid and repeat step 1 to 3 for the second fibre 4 Check that the fibre claddings are sitting in the splicer V grooves and the outer parts of the fibres pass through the padded slots at the side of the splicer 5 Splicing with the T 25 is extremely simple once the fibres have been prepared and inserted as above Lower the lid of the splicer If the splicer is set to automatic this will start the fully automatic splicing process otherwise follow the instructions on the screen and press the O button on the keypad to start the splicing process 6 During the splicing process the LCD
8. e scope of this manual Fibre type and heat shrink sleeve settings The selected fibre type and heatshrink sleeve size are displayed in the bottom right corner of the screen throughout the splicing process and at the top of the main menu as shown below Set up Current fibre amp Splice Cond Heater Cond SM1 SMF1c heatshrink Select SM1 for 40mm FPS 40 Select 60mm FPS 1 Save eaS MM1 MMF1c single mode Auha heatshrink g ist a Arc Test Function Maintenance Select Optical power Condition 26 07 2004 15 40 p change Mili SPLICE O SELECT M iJBACK SELECT 1 Select SETTINGS then Cond Change Highlight the desired fibre type and press the O select button 2 Select the correct heat shrink sleeve size Perform Arc Test Performing an Arc test allows the splicer to optimise the arc for the current fibres and environmental conditions Please note the arc test must be done with fibres in the splicer the ends of these fibres will be melted during the arc test and will need recleaving before splicing Set up SM1 SMF1c Select Arc 60mm FPS 1 Test Cond Ch Coid t ange Press the O Function key to start Maintenance Optical power 26 07 2004 15 40 i SPLICE OSELECT Good arc state Arc Count 0009 Splice can be done m SM1 60mm mi SM1 60mm li M SET O START m SM1 60mm Power settings Select function on the main menu to adjust power save settings and the Au
9. n fibre overlap too big Use the Restore Settings option to reset an incorrect splice programme setting to the factory default Otherwise contact the technical helpline 2005 Sumitomo Electric Europe Limited Sst Bubble in splice So _ E eeee amp i a o OOO o Kinked fibre O A Bump in fibre Page 11 of 12 SUPPORT CONTACT DETAILS For product support spares and servicing contact Technical helpline 44 0 208 953 1608 Email support seel sumielectric com Address Sumitomo Electric Europe Ltd Unit 220 Centennial Park Centennial Avenue Elstree Herts WD3 3SL UK Main Tel 44 0 208 953 8118 Main Fax 44 0 208 953 8228 Website www sumielectric com 2005 Sumitomo Electric Europe Limited Original design photographs and illustrations by Lucid Optical Services Ltd Printed in the UK by Lucid Optical Services Ltd Page 12 of 12 2005 Sumitomo Electric Europe Limited
10. ns m SM1 60mm M iBACK MNEXT MliBACK NEXT USING THE T25 HEAT SHRINK OVEN The standard splice protection technique for the T 25 utilises the built in heat shrink oven together with either 40 mm or 60 mm splice protection sleeves 1 Check that the T 25 is set to the correct size of heat shrink sleeve if necessary change the setting as described in the Adjusting splicer settings section 2 Place a heat shrink splice protection sleeve on one of the fibres prior to preparing the fibre for splicing 3 After splicing the fibres open the magnetic clamps and remove the spliced fibre handling only by the coating and taking care that nothing touches the exposed glass 4 Slide the splice protection sleeve over the splice taking care that there is an even length of coating within either end of the sleeve 5 Place the fibre and sleeve into the heat shrink oven Close the right clamp pull the fibre straight then close the left clamp Springs hold the fibre straight during this process Heat shrink splice protection sleeve Start button for heatshrink oven 6 Press the heat button on the bottom right of the T25 keypad 2005 Sumitomo Electric Europe Limited Page 9 of 12 MAINTENANCE The majority of splicing problems are caused by dust or debris contaminating the fibre cleaver or splicer Care should be taken to maintain all parts of the splicing system in a clean condition to ensure reliable service and a long
11. screen will display a magnified view of the fibre ends 7 The T 25 will check the fibre ends perform a pre splice cleaning arc and complete the splice if all is well Fold out LCD screen 8 The screen displays the following information during the splicing process Prefusion check Arc Complete Complete mi SM1 60mm m iJDATA MARC m SM1 60mm Page 8 of 12 2005 Sumitomo Electric Europe Limited li M SET_ O START Mh SM1 60mm 9 Upon successful completion of the splice the screen displays Arc complete open hood In addition the T25 S but not the T25 U can also display a splice loss estimate Press the i data button before opening the hood for further information about the splice If the splice is unsatisfactory another arc can be executed by pressing the M arc button Arc Complete Splice Data Arc Complete Open KGE Press i data Offset 1 6 um hood Cut L 0 5 deg or splice data CutR 0 3 deg rs ane SM1 60mm Press i back FEZaG MliJvaTA MARC Py i BACK mliDATA MARC m SM1 60mm 10 Alternatively if the T 25 detects a problem with either fibre end the screen will show the problem fibre marked in red Press the lil button for a possible cause and solution POSSIBLE CAUSE Crack on the fiber end face Prefusion check CAUTION Recleave the Fiber Press i help q for possible Mia cause iHELP folco Clean the rubber Press V for pads of the clamp suggested of the cleaver solutio
12. terface unit Electrodes ER 9 Loose tube cutter Page 2 of 12 2005 Sumitomo Electric Europe Limited SAFETY The T25 has been designed and manufactured to assure personal safety as far as is practically possible Improper or reckless use of this equipment could be hazardous and may result in fire electric shock or injury The user should be aware of the following hazards and take suitable precautions M Arc electric discharge the arc used to fuse the optical fibres is a high temperature electric discharge spark that could ignite flammable or explosive gases or materials W The electrodes and some parts of the heatshrink oven will become hot and should not be touched The arc emits intense light that should not be viewed directly e g with the wind cover open The splicer incorporates a video screen which shows a magnified image of the fibres for pre and post splice inspection of the fibres This screen is completely safe to view during the arc Electricity the splicer if using the IF 25R and the battery charger BC 25A are mains powered products that should not be used near water wet surfaces or with wet hands Conductive materials such as metal wires or screwdrivers should not be poked into or used on the splicer whilst it is plugged into any electrical supply Please use equipment only for its intended purpose with approved accessories If in doubt consult Sumitomo Electric Europe Ltd or your local Sumitomo
13. to Start feature Function P1 e Arc pause if enabled the T25 brings the fibre together but does not or gu aR start the arc until the O button is pressed Sleep e Sleep switches off the monitor after programmable delay OFF i Power Off open close the hood or press any button to wake it up OFF e Power off switches off the splicer after programmable delay OFF e Autostart splicer starts on closing hood M i BACL SELECT Auto Start 2005 Sumitomo Electric Europe Limited Page 5 of 12 FIBRE PREPARATION 1 Place a heat shrink splice protection sleeve on one of the fibres prior to fibre preparation for splicing 2 Strip the coating of the fibre to reveal approximately 30 mm 1 inch of bare cladding m 30 mm 3 Clean the bare fibre cladding with an alcohol IPA wetted lint free wipe tissue or cloth This is best achieved by positioning the fibre in a folded wipe and pulling the cladding through the wipe The fibre should then be rotated by 90 and wiped a second time nE ad woe Rotate before second wipe Sy of 4 The cleave length e g the length of the bare fibre end should be as follows lt 10 mm gt a 250 um primary coated fibre 250 um coating 125 um cladding lt 10 mm b 900 um secondary coated pails VOAN DUNT EOD IE 900 um coating 125 um cladding mn 10 mm 4 10 mm c 900 um secondary coated
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