CommScope NG4access Installation Manual
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CommScope NG4access Installation Manual

CommScope NG4access Installation Manual

Frame, raised floor
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NG4access
Installation Manual (Raised Floor)
300001764826 Rev B
www.commscope.com
Frame
®
24987-A
TECP-90-708
Issue 5, April 2017

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Summary of Contents for CommScope NG4access

  • Page 1 NG4access Frame ® Installation Manual (Raised Floor) TECP-90-708 Issue 5, April 2017 24987-A 300001764826 Rev B www.commscope.com...
  • Page 2 Contents herein are current as of the date of publication. CommScope reserves the right to change the contents without prior notice. In no event shall CommScope be liable for any damages resulting from loss of data, loss of use, or loss of profits and CommScope further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages.

  • Page 3: Table Of Contents

    CUSTOMER INFORMATION AND ASSISTANCE ........... 52 Page iii © 2017, CommScope, Inc.
  • Page 4 TECP-90-708 • Issue 5 • April 2017 • Preface TABLE OF CONTENTS Content Page Blank Page iv © 2017, CommScope, Inc.

  • Page 5: About This Manual

    90-706 Provides pictorial guidelines for routing cables and installing cabled modules on the rear side of a lineup consisting of one or more NG4access frames. This manual consists of laminated cards that hang on the rear of the frame. Page v...

  • Page 6: Admonishments

    This practice also prevents dirt particles from entering the adapter or connector. LIST OF ACRONYMS AND ABBREVIATIONS The following acronyms are used in this manual: Fiber Optic Terminal Intra Facility Cable Outside Plant Page vi © 2017, CommScope, Inc.

  • Page 7: Tools And Materials Required

    TECP-90-708 • Issue 5 • April 2017 1 TOOLS AND MATERIALS REQUIRED The tools and materials required for mounting the NG4access frame on a raised floor are specified in Table 1 Table Table 1. Tools Required TOOL PICTURE Adjustable wrenches (2) 0.25 to 1 inch (8 to 25.4 mm)
  • Page 8 0.25 to 1 inch (8 to 25.4 mm) 12506-B Set of sockets 0.25 to 1 inch (8 to 25.4 mm) 12504-B Crimping tool 0.25 to 0.3 inches (6.35 to 7.62 mm) Note: Used for grounding frame 12824-A Page 2 © 2017, CommScope, Inc.
  • Page 9 Ground cable (13 ft.) #6 AWG (4.1 mm) solid copper wire Nylon cable clamps (8) 18413-A 12-24 x 0.5 inch screws 18414-A 2-hole copper compression lug (1) with 0.75-inch hole spacing. Note: Accommodates #6 AWG wire 12498-B Page 3 © 2017, CommScope, Inc.
  • Page 10 Kit if large cables will be routed into the frame from under the floor. (separately ordered) Large cables are defined as having an Outside Diameter (OD) of 0.8 in. (2.03 cm) up to 1.03 in. (2.61 cm). For more information, refer to Section 5 on Page 35 Page 4 © 2017, CommScope, Inc.
  • Page 11 (Note: Not used) Unistrut nut Wood screw (16) with spring (4) Hex nut heavy (12) Flat washer (12) 5/8” 5/8” x 11 Split lock washer (12) Hold down plate (2) 5/8” Note: Not used Page 5 © 2017, CommScope, Inc.

  • Page 12: Footprint Of Frame And Fiber Optic Storage Panel (Fotsp)

    (60.91 CM) 18.98 IN. (48.21 CM) RADIUS 1.0 IN. (2.54 CM) FRONT SLOT 1.75 X 1.0 IN. 2.5 IN. (4.44 X 2.54 CM) (6.35 CM) 6.88 IN. (17.47 CM) 25243-A Figure 2. FOTSP Footprint Page 6 © 2017, CommScope, Inc.

  • Page 13: Mounting The Frame On A Raised Floor

    Tighten spool cover screws if spools are loose. NOTE: TEMPLATE/ISOLATION PAD NOT REQUIRED FOR INSTALLATION CAUTION: USE APPROPRIATE EQUIPMENT TO LIFT RACK OPTIONAL TEMPLATE/ISOLATION PAD (ORDERED SEPARATELY) 25045-A Figure 3. Setting Out Frame and Optional Template/Isolation Pad Page 7 © 2017, CommScope, Inc.
  • Page 14 Note: If optional FOTSP is present, see Figure REAR AISLE FRONT AISLE (3-FEET (4-FEET RECOMMENDED RECOMMENDED MINIMUM) MINIMUM) 25046-B PENCIL MARK THESE LOCATIONS ALIGN FRONT OF TEMPLATE/ISOLATION PAD WITH EDGE OF TILE 25271-A Figure 4. Determining Frame Location Page 8 © 2017, CommScope, Inc.
  • Page 15 ALIGN FRONT OF TEMPLATE/ISOLATION PAD WITH EDGE OF TILE MARK CUTOUT FOR FOTSP IF FLOOR ENTRY WILL BE USED MARK HOLES AND CUTOUT ON TEMPLATE 25270-A Figure 5. FOTSP and Frame Footprints on Floor Tiles Page 9 © 2017, CommScope, Inc.
  • Page 16 5. Remove and cut the tiles, file all edges, and set the floor tiles on the pedestals, as shown in Figure TILES DRILL PILOT HOLES VACUUM AS REQUIRED FILE ALL EDGES SET FLOOR TILES ON PEDESTALS 25048-A Figure 6. Setting Floor Tiles on Pedestal Page 10 © 2017, CommScope, Inc.
  • Page 17 6. Cut threaded rod to floor height +1-5/8in. (+/- 3/8 in.) (four places). Refer to Figure 1-5/8 IN. (+/- 3/8 IN.) NOTE: MEASURE FROM CONCRETE TO 1-5/8 IN. (+/- 3/8 IN.) ABOVE FLOOR TILE THREADED 25049-A PAINT ENDS FILE (OPTIONAL) ENDS Figure 7. Cutting Threaded Rod Page 11 © 2017, CommScope, Inc.
  • Page 18 29.8 IN. LENGTH (75.8 CM) (SEE TOP VIEW) CUT TO REQUIRED LENGTH FILE EDGES PAINT FILED EDGES (OPTIONAL) NOTE: LOWER UNISTRUT CUT LENGTH IS SHOWN FOR ONE FRAME INSTALLATON. 25050-A Figure 8. Cutting Unistrut Page 12 © 2017, CommScope, Inc.
  • Page 19 ROD IN SLOT MARK CENTER REPEAT STEPS USING SAME THREADED ROD MAKE SURE THREADED ROD FOR REMAINING THREE SLOTS DOES NOT TOUCH CONCRETE SIDE VIEW 25051 -A Figure 9. Marking Concrete With Threaded Rod Page 13 © 2017, CommScope, Inc.
  • Page 20 9. Remove the threaded rod assembly and set the floor tiles aside. Use a ruler or straight edge to draw lines on the concrete. Refer to Figure THREADED ROD ASSEMBLY SET FLOOR TILES ASIDE DRAW LINES ON CONCRETE 25052-A RULER OR STRAIGHT EDGE Figure 10. Marking Concrete Page 14 © 2017, CommScope, Inc.
  • Page 21 TECP-90-708 • Issue 5 • April 2017 10. Center unistruts over lines on concrete. Refer to Figure CENTER UNISTRUT ON LINE TOP VIEW 25053-A Figure 11. Centering Unistruts on Lines Page 15 © 2017, CommScope, Inc.
  • Page 22 AND 5/8-INCH WASHER ONTO THREADED ROD LEAVE SPACE BETWEEN BOTTOM OF THREADED ROD AND TOP, INSIDE SURFACE OF UNISTRUT 12B: INSTALL THREADED ROD ASSEMBLY INTO SPRING NUT 25054-A Figure 12. Setting Floor Tiles on Pedestals Page 16 © 2017, CommScope, Inc.
  • Page 23 PLUMB THREADED ROD FROM SIDE TO SIDE INSTALL REMAINING THREADED ROD ASSEMBLIES ANCHOR PLATE UNISTRUT THREADED ROD ASSEMBLY AND SPRING NUT MARK CONCRETE (FOUR PLACES) TOP VIEW 25055-A Figure 13. Installing Threaded Rod Assemblies Page 17 © 2017, CommScope, Inc.
  • Page 24 13. Set the floor tiles and unistrut assemblies aside and drill holes at the anchor bolt locations. Refer to Figure VACUUM AS REQUIRED HOLE DIMENSIONS: DIAMETER: 0.71-IN. (18MM) DEPTH: 3-15/16-IN. (100MM) DRILL HOLES (4) 25056-A Figure 14. Drilling Holes Page 18 © 2017, CommScope, Inc.
  • Page 25 TECP-90-708 • Issue 5 • April 2017 14. Thread the washer and torque nut onto the threaded rod of the anchor bolt. The washer should touch the top of the anchor sleeve. Insert the anchor bolt assembly into the hole just drilled.
  • Page 26 TORQUE WRENCH 25058-A-A TORQUE NUT LOOSEN TORQUE NUT WASHER THREADED ROD 16A: PRE-TORQUE ANCHOR BOLT 16-B: LOOSEN TORQUE NUT 16-C: REMOVE TORQUE NUT TO APPROXIMATELY 30 FT-LBS AND WASHER (41N-m) Figure 16. Pre-torquing Anchor Bolts Page 20 © 2017, CommScope, Inc.
  • Page 27 17B: TIGHTEN TORQUE NUT 17C: THE TORQUE NUT WILL BE FLAT WASHER, AND TORQUE NUT UNTIL TOP FLANGE SHEARS OFF CORRECTLY SET AT 60 FT-LBS (81N-m) ONTO THREADED ROD Figure 17. Positioning Unistrut Assemblies Page 21 © 2017, CommScope, Inc.
  • Page 28 FLAT WASHER 5/8-11-INCH SIDE VIEW HEX NUT 5/8-INCH NOTE: ALLOW SPACE BETWEEN UNISRUT AND FLOOR TILE TO MAKE SURE FLOOR TILE IS NOT RAISED OFF PEDESTALS. Figure 18. Placing Floor Tiles on Threaded Rods Page 22 © 2017, CommScope, Inc.
  • Page 29 DRILL PILOT HOLES LENGTH SELF-DRILLING SCREWS (PROVIDED) NOTE: EDGE PROTECTOR MAY BE CUT TO FIT AROUND PEDESTAL 25061-A NOTE: INSTALL EDGE PROTECTOR ON ALL SIDES OF CABLE ENTRANCES (RECOMMENDED) Figure 19. Installing Edge Protectors Page 23 © 2017, CommScope, Inc.
  • Page 30 TECP-90-708 • Issue 5 • April 2017 19. Plumb threaded rod assemblies (4) and tighten hex nuts (4). Refer to Figure TIGHTEN HEX NUTS (4) PLUMB THREADED ROD ASSEMBLIES 25062-A FROM SIDE TO SIDE Figure 20. Plumbing Threaded Rods Page 24 © 2017, CommScope, Inc.
  • Page 31 Figure 25063-A FLOOR TILE UNISTRUT (SHADED FOR CLARITY) HAND TIGHTEN HEX NUTS TO RAISE UNISTRUTS TO FLOOR TILE MAKE SURE FLOOR TILES ARE NOT RAISED OFF PEDESTALS Figure 21. Raising Unistruts to Floor Tile Page 25 © 2017, CommScope, Inc.
  • Page 32 (Caution: Do not attempt to lift or move the frame without appropriate equipment.) FRONT VIEW LOWER TROUGH BACK 24995-A MOUNTING SLOTS (PARTIALLY SHOWN) LOWER TROUGH GUARD BOX BASE COVER REAR VIEW MOUNTING SLOTS (PARTIALLY SHOWN) 25065-A REAR COVER Figure 22. Removing Troughs Page 26 © 2017, CommScope, Inc.
  • Page 33 23B: USE 5/16-INCH ALLEN WRENCH SPLIT WASHER 5/8-INCH AND HEX NUT 5/8-11 INCH AND ADJUST SET SCREW TO (DO NOT FULLY TIGHTEN) LEVEL RACK Figure 23. Positioning Frame on Optional Template/Isolation Pad and Floor Tile Page 27 © 2017, CommScope, Inc.
  • Page 34 23. Use wrench to tighten hex nuts under floor tile. Do not fully tighten. Refer to Figure TIGHTEN HEX NUTS UNTIL SPLIT LOCK WASHER IS FLATTENED SIDE VIEW DO NOT FULLY TIGHTEN OR RAISE FLOOR TILES 25067-A NOTE: MAKE SURE RACK REMAINS LEVEL Figure 24. Tightening Hex Nuts 1 Page 28 © 2017, CommScope, Inc.
  • Page 35 TIGHTEN HEX NUTS (4) ABOVE FLOOR TILE 25068-A TIGHTEN HEX NUTS (4) UNDER FLOOR TILE Figure 25. Tightening Hex Nuts 2 25. If cables will be routed into the frame from under the floor: Page 29 © 2017, CommScope, Inc.

  • Page 36: Installing A Fiber Optic Storage Panel (Fotsp)

    Figure 26. Re-installing Troughs 4 INSTALLING A FIBER OPTIC STORAGE PANEL (FOTSP) A Fiber Optic Storage Panel (FOTSP), installed onto the left side of the NG4access frame as looking from the front, provides storage space on the rear for Fiber Optic Terminal Equipment patch cords.
  • Page 37 25258-A Figure 27. Removing FOTSP Front Cover 5. Remove the FOTSP back cover and cover plate (Figure 28). FOTSP COVER PLATE FOTSP BACK COVER 25260-A Figure 28. Removing FOTSP Back Cover and Cover Plate Page 31 © 2017, CommScope, Inc.
  • Page 38 TECP-90-708 • Issue 5 • April 2017 6. Secure the FOTSP to the NG4access frame by installing tie brackets in two places and trough ties in six places as shown in Figure Note: Refer also to the detailed views in...
  • Page 39 TIE BRACKET REAR VIEW 25262-A Figure 30. Rear View of Bracket Locations MID-FRAME TIE BRACKET 3RD DOWN CROSS-FRAME TROUGH 25263-A REAR VIEW Figure 31. Rear View With Frame Tilted to Show Brackets Under Trough Page 33 © 2017, CommScope, Inc.
  • Page 40 1/4 LOCK WASHER (2) 1/4-20 HEX NUT (2) NOTE: INSTALL SAME HARDWARE IN ANALOGOUS LOCATION ON FRONT OF FRAME AND FOTSP REAR VIEW (REAR TROUGH NOT SHOWN FOR CLARITY) Figure 32. Bolting Together Frame and FOTSP Bases Page 34 © 2017, CommScope, Inc.

  • Page 41: Installing A Raised Floor Cable Bracket

    5 INSTALLING A RAISED FLOOR CABLE BRACKET If cables will be brought into the frame from under the raised floor, a Raised Floor Standard Cable Clamp Bracket (available from CommScope) must be installed on the rear side of the frame in the bottom right corner.
  • Page 42 TECP-90-708 • Issue 5 • April 2017 Figure 33. Grommet Placement on Bracket Page 36 © 2017, CommScope, Inc.
  • Page 43 BETWEEN THE SCREW HEADS AND BRACKET FOR THE CABLE CLAMPS TO BE HUNG ON THE SCREWS. 18-32 x 5/16 IN. PANHEAD SCREW (12 PLACES, EACH SIDE; 24 TOTAL) 25128-A Figure 35. Large Cable Screw Placement Page 37 © 2017, CommScope, Inc.
  • Page 44 TECP-90-708 • Issue 5 • April 2017 3. If the frame has a splice chassis: a. Remove the splice chassis cover (if present) from the bottom rear of the NG4access frame, as shown in Figure 36. To do this, remove the two #8 pan head screws and two star washers securing the cover to the frame.
  • Page 45 Figure 39. Install a #10 washer and #10 nut on each threaded stud. Tighten to 16 inch lbs. (1.8 Newton meters). Note: This illustration shows a frame without a splice chassis. Page 39 © 2017, CommScope, Inc.
  • Page 46 7. Prepare each cable as follows, referring to Figure a. Pull the cable up through the hole. b. If the cable being installed is an NG4access cable terminated with one or more cabled module(s), obtain the appropriate DIM ‘A’ length from Table 5...
  • Page 47 TECP-90-708 • Issue 5 • April 2017 Note: There is no need for further breakout as all NG4access cables with cabled modules are of one standard length. Table 5. Row Position vs. DIM ‘A’ CABLE SIZE POSITION* DIM ‘A’ Standard 3-1/16 in.
  • Page 48 After assembling the components on the mounting screws, tighten the screws until the yokes make contact. MOUNTING SCREWS (10-32 x 2.00 IN.) GROMMET BACK PLATE RUBBER YOKE COVER 25135-A LARGE Figure 43. Large Cable Clamp Exploded View Page 42 © 2017, CommScope, Inc.
  • Page 49 SLOT FRAME 25139-A Figure 44. Hanging Cable Clamps on Bracket EXAMPLES OF STANDARD EXAMPLES OF LARGE CLAMP POSITIONS CLAMP POSITIONS ROW C ROW F ROW D 25141-A Figure 45. Correct Placement of Cable Clamps Page 43 © 2017, CommScope, Inc.

  • Page 50: Installing A Spool Bracket Assembly (For Frame With Splice Chassis)

    39). Note: See TECP-90-713 for instructions on installing auxiliary cable spools for use with NG4access cabled module assemblies routed into the frame from the raised floor bracket. 6 INSTALLING A SPOOL BRACKET ASSEMBLY (FOR FRAME WITH SPLICE CHASSIS) If the frame on which the bracket was just installed has a splice chassis, the Spool Bracket Assembly (provided with the Raised Floor Standard Cable Clamp Bracket Kit) must also be installed.
  • Page 51 INSTALL TWO EACH MOUNTING SCREWS AND LOCK WASHERS (#12 PANHEAD). TIGTHEN TO 18 INCH-LBS. NOTE: (2.03 NEWTON METERS) FOR CLARITY REAR VIEW SOME SHEET METAL OF FRAME REMOVED FROM FRAME 25143-A Figure 48. Installing Spool Bracket Page 45 © 2017, CommScope, Inc.

  • Page 52: Installing Auxiliary Cable Spools (For Frames Without Splice Chassis)

    Figure 49. Routing Cables On Spool Bracket Note: For instructions on routing the cables into the splice chassis and splice chips, refer to NG4access ODF Platform Splice Chassis and Splice Tray User Manual (TECP-90- 704). This procedure only covers the spool bracket.
  • Page 53 Refer to Figure 51 Figure Note: Top chassis mounting holes are different than for other chassis in frame. Mount as shown in Figure 25241-A Figure 51. Installing the Auxiliary Cable Spool Bracket Page 47 © 2017, CommScope, Inc.

  • Page 54: Grounding The Frame

    3/4 inch hole (1.905 cm) spacing. Scrape the paint to expose bare metal and apply deoxidant in the grounding location. For a grounding wire, use only 6 AWG or thicker copper wire. Page 48 © 2017, CommScope, Inc.

  • Page 55: Securing Two Frames Together

    Figure 53. Grounding the Frame 9 SECURING TWO FRAMES TOGETHER When a NG4access frame is installed adjacent to an existing NG4access frame, the frames must be secured together. This is done using the following items shipped with the frame: junction plates (6);...
  • Page 56 2. Continue down the frames installing junction plates in a like manner for each of the remaining five levels of rear horizontal trough. 3. Install rear splice brackets. There are two sets of two brackets installed in the two locations shown in Figure Page 50 © 2017, CommScope, Inc.
  • Page 57 INSERT REAR SPLICE BRACKET INTO CABLE TROUGH SLOT (2 PLACES) 12-24 SCREWS (6) NOTE: SPLICE BRACKETS PROVIDED WITH RACK SPLICE BRACKET LOCATIONS (2) SHOWN IN GRAY FOR CLARITY REAR VIEW 25070-A Figure 55. Installing Rear Splice Brackets Page 51 © 2017, CommScope, Inc.

  • Page 58: Customer Information And Assistance

    TECP-90-708 • Issue 5 • April 2017 10 CUSTOMER INFORMATION AND ASSISTANCE ® • To find out more about CommScope products, visit the web at www.commscope.com/ • For technical assistance, customer service, or to report any missing/damaged parts, visit http://www.commscope.com/SupportCenter...

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