3M Distribution Box (DDB) Merged Copper and Fiber Pole/Post Mount Enclosure Installation Instructions November 2015 78-0015-2736-1-A
2 November 2015 78-0015-2736-1-A Contents 1.0 General 2.0 Enclosure installation 3.0 Enclosure external ground 4.0 Fiber cable installation 5.0 Copper cable installation 6.0 Terminating wires on back of 3M Quick Connect System (QCS) 2810B Block 7.0 Terminating DSLAM copper cable onto the back of the 10-pair block 1.0 General 1.1 These instructions provide the information necessary for the installation of the 3M Distribution Box DDB. The enclosure is equipped with a 100 pair of the 3M Quick Connect System (QCS) 2810 blocks plus a 12-fiber SC/APC termination/connection frame. The enclosure can be direct mounted on a pole or post and does not require a mounting frame. 2.0 Closure installation 2.1 Mounting holes Verify the mounting surface can accept a 4 ¼" width mounting hole spacing. Open the enclosure. Locate the upper mounting holes approximately 1" below the top of the closure. Temporarily support closure to mounting surface. Center on mounting surface. When plumb, mark the top two mounting hole locations. Secure to mounting surface with screws that include flat washers on top and bottom. Upper mounting hole locations The 4 ¼" mounting hole spacing requires a minimum of a 6" wide flat post or a typical telephone pole. Mounting the closure and accessories are covered in these instructions. 1.2 Tools required for installation: a. Standard hand tools b. Drill for pole or post mounting c. Screws and flat washers 1.3 Image and cable count example Lower mounting hole and cable anchoring/grounding detail 9 ½" W x 25" H x 5" D
78-0015-2736-1-A November 2015 3 3.0 Enclosure external ground 3.1 Select bottom port for external ground entrance. 4.3 Loop buffer tube(s) one time around fiber tray assembly using retaining clips to manage. 3.2 Punch through plastic port plug using screwdriver or equivalent. 3.3 Route #6 external ground wire from source into port to ground wire lug. 3.4 Secure ground wire to bond bar per company practice. 4.0 Fiber cable installation 4.1 Prepare incoming fiber feeder cable by removing 90" (2286 mm) of outer sheath. 4.2 Punch through plastic port plug using screwdriver or equivalent and insert prepped cable with exposed buffer(s) through plastic port plug opening. Note: If using shielded fiber cable, install supplied 3M Scotchlok Shield Bond Connector 4460D between hose clamp and CSM retainer per your company practice. Use grounding location next to cable anchor bracket to secure ground wire per your company practice. Secure cable to anchor bracket using supplied hose clamp (sheath) and CSM retainer. 4.4 Remove 30" (762 mm) of protective buffer tube to expose 250 µm fiber(s). 4.5 Install buffer tube onto tray as shown, locking tray clip and installing cable tie to anchor buffer tube in place. 4.6 Install connectorized pigtails into adapters in orientation as shown (number and type may vary, 4 SC/APC connectors shown).
4 November 2015 78-0015-2736-1-A 4.7 Install 900 µm pigtails onto tray as shown, opposite the incoming side of the 250 µm fibers, using locking tray clip to secure the fibers. 4.16 Store slack fiber(s) (up to 3.0 mm jacket) of DSLAM cable, looping around fiber tray assembly using retaining clips as necessary. 4.17 Plug connectors into corresponding adapter ports above tray to complete the connection. 5.0 Copper cable installation 5.1 Remove the threaded ring and components from the two large entry ports. 5.2 Recycle solid metal plates. 5.3 Slide threaded ring, a sealing washer, rubber grommet, and the other sealing washer (in that order) onto cable to be prepped. 4.8 Group fibers together using wire ties or loosely secured cable ties to manage bundle. DO NOT OVER TIGHTEN. 4.9 Complete splices per company practice and store slack in appropriate area of tray. 4.10 Prepare DSLAM fiber cable grommet by trimming to the correct size opening for the sheath cable. 4.11 If connectors are preterminated on the DSLAM cable, insert them carefully through the grommet opening one at a time. 4.12 If using shielded cable, install supplied 3M Scotchlok Shield Bond Connector 4460D located between the hose clamp and CSM retainer per company practice. 4.13 Use grounding location next to cable anchor bracket to secure ground wire per company practice. If desired, use thread cutting 8-32 screw to secure ground wire in alternate location. Screw not supplied. 5.4 Prepare incoming cable by removing sheath to expose conductors. 5.5 If using shielded cable, install 3M Shield Bond 4460 connector per company practice. 5.6 Scuff perimeter of cable and wrap with Scotch Linerless Rubber Splicing Tape 130C in scuffed location to build up diameter for a slight interference fit of rubber grommet. 5.7 Slide port entry components into place on the taped area. 5.8 Tighten threaded ring onto port entry collet to compress rubber grommet onto cable. 4.14 Secure cable to anchor bracket using supplied hose clamp (sheath) and Central Strength Member (CSM) retainer, if a CSM is present. 4.15 Removal of the bottom the 3M Quick Connect System (QCS) 2814 block may be necessary to access the CSM retainer bolt. If removed, reinstall after securing the CSM.
78-0015-2736-1-A November 2015 5 5.9 Use grounding location next to cable anchor bracket to secure ground wire per company practice. 7.0 Terminating DSLAM copper cable onto the back of the 10-pair block 7.1 Remove blocks and set aside. 7.2 Rotate one block and reinsert on frame. 7.3 Separate and route each 10 pair to the corresponding block. 6.0 Terminating wires on back of 3M Quick Connect System (QCS) 2810B Block 6.1 Locate metal bracket tab, insert flat screwdriver and push bracket tab outward. 6.2 Raise block slightly, once released from the bracket, and release tab on opposite side. 6.3 Lift off block once both sides are released from bracket. 7.4 Route each cable pair over the respective pair cap and place in cap slots temporarily. 7.5 Keep Ring right and Tip left as block will roll over in place. 6.4 Roll block over and temporarily seat face down on the metal bracket tabs. 6.5 Lift corresponding orange caps, insert house wires and snap cap closed to terminate. 7.6 Cut conductors to length and insert in orange cap. Note: Wires will enter cap from top of block when terminating on back. 6.6 Terminate wires with regard to tip and ring when rolled back to reinstall. 6.7 Roll block back over and reseat on metal bracket tabs - stencil tab side up. 6.8 Apply downward pressure until block snaps in place on metal bracket tab.
7.7 Snap cap into place until audible click to terminate cable conductor into the block. 7.11 Remove sheath, mark groups and bond per company practice. 7.12 Route conductors up the left side of the frame. 7.13 Route the respective 10-pairs to their appropriate 10-pair block. 7.14 Terminate the 100-pair cable onto the front of the 10-pair blocks. 7.8 Complete all cable conductors on all blocks. This architecture allows for the existing cable pair to be routed into the DSLAM and out of the DSLAM in their respective cable counts. 7.9 Snap all blocks back into their respective pair count on the 100-pair frame. 7.10 Place the copper cable from the left cable port in the enclosure to the existing cable splice. 3M, Scotch, and Scotchlok are trademarks of 3M Company. Important Notice All statements, technical information, and recommendations related to 3M s products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated with such use. Any statements related to the product which are not contained in 3M s current publications, or any contrary statements contained on your purchase order shall have no force or effect unless expressly agreed upon, in writing, by an authorized officer of 3M. Warranty; Limited Remedy; Limited Liability. This product will be free from defects in material and manufacture for a period of one (1) year from the time of purchase. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3M s option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any direct, indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of the legal theory asserted. Communication Markets Division 6801 River Place Blvd. Austin, TX 78726-9000 Phone 1-800-426-8688 Web www.3m.com/telecom Please recycle. Printed in USA 3M 2015. All rights reserved. 78-0015-2736-1-A