company news about How to Installation Dome closure

Installation Guidance

1.1 According to the construction needs open cable holes on the base, use abrasive strip to polish the cable inlet and outlet until smooth, then clean up the port with cleaner.

1.2 Clean up the cable head which need to be spliced, first put on the heat shrinkable tube, then put the cable into the base.

1.3 Strip off the outer sheath, the inner sheath and the loose shrinkable tube on the cable, clean and clear the oil filling paste in the cable. Leave the fiber at the length of 1 to 1.6m, the strength steel core with the length of 30 to 50mm.

1.4 Put the bare fibers through the transparent PE tube . Using PVC tape to wrap the end of the PE tube and cable. 

Put the cable strengthen steel wire into the corresponding stud hole, adjust the distance, use paellas bend the steel wire to 90°degree but leave 1 cm long ,then cut off the spare steel wire. Tighten the screws on the stud.

1.5 Take over the storage block lid.

1.6 Fix the transparent bare fiber protective tube into the tube fixing holder. And store the optic fibers in the storage block. Guide the fiber to the other side from the middle holes. （see below picture）

Design 1: Standard supplied tube holder.

Design 2：Special tube holder—need to inform before place the PO.（The spiral tube is also available in this design）

1.7 Fiber routing from the storage basket to the splice tray.

1.8 Using the fiber adjust pencil to guide the optic fibers into the grooves of the tray holder

1.9 Until the fibers close to the tray entry, then guide the fibers into the tray

1.10 Splicing of fibers in the splice tray.

Pull gently on the fibers in the tray and make sure that the fibers are well contained in the routing block and tray holder. Store the fibers temporarily on the tray. The first lap fiber general coiled in the outermost side of the splice tray. The other fiber shall be coiled into circle with the diameter not less than 80 mm. Put the splice protective tube on the fiber joints and fusion them together orderly. The fiber protective tube shall be put together with the fiber into the splice cassette. (First fix the fiber protective tube to the tray slots, and then enlarge the fiber circle to

proper size.)

1.11 Repeat the steps, operate other splice tray from top to the bottom until all the fiber fusion is completed and confirmed, then put on the tray lid and storage block cover , then bind the Velcro strip.

1.12 Stick the aluminum foil on the cable. If one closure port need to have access two or above optical fiber, please use branch-off clip. When heating the heat shrinkable tube, the branch-off clip can be heated together to facilitate the integration of optical cable and heat shrinkable tube, all of the fiber cable access port is handled like this.

1.13 Seal the round ports using the same method as to seal the round ports.

1.14 Put on the O-ring and close the closure