ABB PCS 6000 System Distribution Cabinet, Replacing Fiber Optic Cables GBU72 3BHE055094R0004

Date: Sept 11, 2025 Views: 5878

　　Risk of component damage.

　　▶ Handle fiber optic cables with care.

　　▶ DO NOT touch the ends of the fibers as they are extremely sensitive to dirt. When unplugging a fiber optic cable, always hold it at the connector not at the fiber.

　　▶ Observe the mounting instructions as well as the maximum long-term tensile load and the minimum bending radius according to the manufacturer's specification.

　　▶ ABB provides kits to prepare the fiber optic cables to correct length. These kits also contain a tool to polish the fiber optic cables (see section 3.2.4, Polishing kit for fiber optics, page 37).

　　Shut down the PCS6000 according to the “PCS6000 Lockout/tagout procedure”, 3BHS600000 E22.

　　Cut the fiber optic cables to the required length using a wire cutter or a sharp knife. IMPORTANT! Use the identical type of optical cable.

　　Strip the cable ends approximately 7 mm using a 16 gauge wire stripper (eg, Stripmaster type 45-092).

　　NOTE – When using the duplex connector arrangement, the separated duplex cable should be stripped to roughly equal lengths on each cable end.

　　Place the connector on each end of the fiber, and slide the connector down until the fiber jacket stops it.

　　IMPORTANT! The fiber should not extend more than 1.5 mm from the end of the connector.

　　5. (Simplex connectors) flip the top half of the connector over and snap it into the ferrule half with your fingers.

　　When the top half latches inside the body of the ferrule half, proper connector-to-cable attachment is achieved.

　　6. (Duplex connectors): place one connector on top of the other, so that the top half of each connector is over the ferrule half of the opposite connector, manually press connectors together in the center of the arrangement and then latch by pressing on the sides of each connector.

　　As with the simplex version, the connectors are secured when top halves latch into the ferrule halves.

　　7. Insert the connector fully into the polishing fixture with the trimmed fiber protruding from the bottom of the fixture.

　　This plastic polishing fixture can be used to polish two simplex connectors simultaneously or one duplex connector.

　　IMPORTANT! The four dots on the bottom of the polishing fixture are wear indicators. Replace the polishing fixture when any dot is no longer visible

　　8. Place the 600 grit abrasive paper on a flat surface and press the polishing tool down on it.

　　9. Polish the fiber using a figure eight pattern until the connector is flush with the bottom of the polishing fixture.

　　10. Wipe the connector and fixture with a clean cloth or tissue then push the connector again into the polishing fixture of the polishing kit.

　　11. Place a 3 µm lapping film on a flat surface, place the flush connector and polishing fixture on the dull side of the 3 µm pink lapping film and continue to polish the fiber in the same figure eight pattern for approximately 25 strokes.

　　The fiber end should be flat, smooth and clean (check with a magnifying glass).

　　IMPORTANT! Use of the pink lapping film fine polishing step results in approximately 2 dB improvement in coupling performance of either a transmitter-receiver link or a bulkhead/splice over a 600 grit polish alone. This fine polish is comparable to the Avago Technologies factory polish.

　　12. Repeat this procedure for the other end of the fiber optic cable.

　　13. Replace the fiber optic cables with the newly assembled cables.

　　14.Restart the PCS6000 according to section 5.4, Start-up after maintenance or troubleshooting, page 70.

3BHS600000_E80_RevF_Service_Manual_PCS6000 Replacing AC 800PEC accessories(2).pdf

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