3M Distribution Box DDB, 100 Pair Operating instructions

Brand: 3M

Model: Distribution Box DDB, 100 Pair

Type: Operating instructions

™

Distribution Box (DDB)

Merged Copper and Fiber Pole/Post Mount

Enclosure Installation

Instructions

November 2015

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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

™

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.

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

9 ½" W x 25" H x 5" D

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

Lower mounting hole and cable

anchoring/grounding detail

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3.0 Enclosure external ground

3.1 Select bottom port for external

ground entrance.

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 ber cable, install supplied

™

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.

4.3 Loop buffer tube(s) one time around fiber tray

assembly using retaining clips to manage.

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).

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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.

4.8 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

™

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.

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.

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.

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.

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5.9 Use grounding location next to cable

anchor bracket to secure ground wire per

company practice.

6.0 Terminating wires on back of

™

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.

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.

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.

7.0 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.

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.

7.6 Cut conductors to length and insert in

orange cap.

Communication Markets Division

6801 River Place Blvd.

Austin, TX 78726-9000

Phone 1-800-426-8688

Web www.3M.com/Telecom

3M, Scotch, and Scotchlok are trademarks of 3M Company.

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accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended

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7.7 Snap cap into place until audible ‘click’ to

terminate cable conductor into the block.

7.8 Complete all cable conductors on all blocks.

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.

7.11 Remove sheath, mark groups and bond per

company practice.

7.12 Route conductors up the left side of the frame.