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Created with Fabric.js 1.4.5 Work Order Bi-directional light? (Use OFI) Fiber Troubleshooting Quickstart Guide What info do you have? Troubleshooting Phase Go to customer Demarc on WO (The panel of the client that opened the TST.) -Go to specified location.-Get the WO number on label. -Get WO Sheet from SF using WO number. No Yes DO NOT TAKE FURTHER ACTION.-Ask the customer if intrusive testing can be done.-Troubleshooting can only occur after verification. If DENIED, standby and reattempt until permission is given. ASSUME THIS IS A LIVE CIRCUIT! Demarc -Confirm circuit is not a single fiber bi-directional traffic circuit. (ex. DWDM/CWDM w/ circulators) -Testing can be done intrusively. Reverse Tx/Rx -Focus on the customer panels on each end as per WO diagram. -Test for acceptable light levels being transmitted from either port on the panel.*Take into account the db loss from each bulkhead on the circuit.* NO LIGHT -Alert the customer that there is no light being transmitted from their panel. -This issue is most likely beyond TelX space. (To completely rule the TelX portion out, check light coming from the fiber pack strand behind the panel bulkheads for the circuit. BE CAREFUL) LIGHT -Check both end panels for light.-Place a loop at one end of TelX cross-connect. -Use a light source and meter to measure acceptablelight levels and db loss taking in account bulkheads. *This will verify the TelX cross-connect patches* -Provide a hard loop facing into the customer's panel so that testing can be done to "see" the loop. If loop cannot be seen, further investigation must be held in the customer cage or the integrity of the fiber pack be verified. Acceptable db loss:Singlemode: .4db per km.3db per connector.3db per fusion splice 0 50 100 January February March April May June July Infographic by Marc Lagarde, Tech Support 2015
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