Related Manuals for 3M 4220 Series
Summary of Contents for 3M 4220 Series
- Page 1 4220/4230 Series RH/XP Cabinets for Rehab and Expansion (AT&T/Lucent and HUB Cabinets with 76 type blocks) Instructions December 2000 78-8130-1625-6-B...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1.0 ENGINEERING AND CABINET SELECTION ................... 3 1.1 Engineering ..............................3 1.2 Cabinet Selection - “RH” Single Sided Cabinets ..................4 1.3 Cabinet Selection - “XP” Double Sided Cabinets ..................6 1.4 Cabinet Clearances ............................8 1.5 Mounting Pad .............................. 8 1.6 Special Tools for Project .......................... -
Page 3: Engineering And Cabinet Selection
AT&T, Lucent or HUB cross connect cabinets. The new cabinets include brackets for the mounting of the existing 76 terminal block frames and can be ordered to include new frames to add pair count to the cabinet using the 3M 4320 Self-Strip System. -
Page 4: Cabinet Selection - "Rh" Single Sided Cabinets
The 4230-RH/XP Hardware Kit IS NOT included with the 4220 Cabinets and must be ordered separately. c. The Self-Strip block frames can be ordered with 3M 710 Connectors (T) or 3M 4005 CBM Modules (CBM) for the field terminations. Using the SS6 in Drawing 2 that requires an order as an example, this frame contains SS (Self-Strip blocks), 6 (600 pair) and add a T for the 710 connectors. - Page 5 New 450 Pair Frame New 300 Pair Frame New 600 Pair Frame New 1350 Pair Frame New 300 Pair Frame New 900 Pair Frame...
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Page 6: Cabinet Selection - "Xp" Double Sided Cabinets
The "XP Cabinet comes with and without additional 4230 Self-Strip Block frames. c. The Self-Strip block frames can be ordered with 3M 710 Connectors (T) or 3M 4005 CBM Modules (CBM) for the field terminations. Using the SS6 in Drawing 9 that requires an order as an example, this frame contains SS (Self-Strip blocks), 6 (600 pair) and add a T for the 710 connectors. - Page 7 New 600 Pair Frame New 900 Pair Frame New 900 Pair Frame New 600 Pair Frame New 900 Pair Frame New 900 Pair Frame New 600 Pair Frame New 900 Pair Frame New 900 Pair Frame New 300 Pair Frame Filler Panel New 300 Pair Frame New 900 Pair Frame...
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Page 8: Cabinet Clearances
- “B” dimension by 11" on both side of the cable hole for the 4230 series - “B” dimension by 7" on both side of the cable hole for the 4220 series 3) It is recommended that the pad extend to cover the full door swing for both sides of the cabinet. -
Page 9: Special Tools For Project
Concrete "Pour-in-Place" Mounting Pad 1. If you are to pour a new concrete pad, it should be built before the old cabinet is removed. 2. The 3M 4256-E/EE or 4256-F/G/K Mounting Rings will be used to position the cables and attach the anchors. -
Page 10: Removal Of The Old Cabinet
2.0 Removal of the Old Cabinet Note: If a new concrete "pour-in-place" pad is to be used, it should be poured before the old cabinet is removed. See Section 3.3. Note: “Double sided” old cabinet removal is covered in Section 4.3.b. Note: The following tools are required for the rehab or expansion project: a) Normal hand tools needed for a mechanical job, i.e. -
Page 11: Non-Pivoting Frames
e. Unlatch the frame top from the cabinet and tilt it forward. Install the Top Drop-Down Bracket with the AT&T or HUB position to the frame. Position this bracket on the two row frames so the frame will be on the left side of the cabinet. Reuse the 1/4" bolts from the Hub Cabinet and use the #10 self-drilling screws for the AT&T frame. - Page 12 c. Some old cabinet frames and jumper runs are held together by a panel that is riveted to the cabinet or a bracket riveted to the cabinet. This assembly must be removed as one piece by grinding off the rivet heads holding the panel to the end walls and drilling or punching out the rivet shafts.
- Page 13 g. Unbolt the top of the frames and jumper runs from the cabinet and pull them away from the cabinet. h. Install the Top Drop-Down Bracket with the AT&T position to the top of the frame using the #10 self-drilling screws. Position this bracket on the two row frames so the frame will be on the left side of the cabinet.
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Page 14: Mounting Pad And New Cabinet Installation
3.0 Mounting Pad and New Cabinet Installation Note: There are three options to use for the mounting pad of the new cabinet. Using the Existing Pad If the existing pad is level, in good condition and meets the minimum size requirements in section 1.5a, it can be used to mount the new cabinet. -
Page 15: Field Build A Concrete Pour-In-Place Pad
Field Build a Concrete Pour-in-Place Pad Use this method when the site pad is in bad condition and needs to be replaced. The new pad should be installed before the old cabinet is removed. Use a 3M™ 4256-E/EE or 4256-F/G/K Mounting Ring with this application. -
Page 16: Mounting New Cabinet On Slab
Mount the New Cabinet on the Pad a. Reposition the cabinet's two lifting straps up, attach a sling to them and handle the cabinet with a boom truck. If a boom truck is not available, remove all frames from the cabinet to minimize weight. b. -
Page 17: Mounting Existing 76 Block Frames
4.0 Mounting Existing 76 Block Top Mount Frames in the New Cabinets Bracket Pivot Support 4220-ET/RH or 4220-EET/XP Cabinets Bracket These cabinets include the Top Mount Bracket and Pivot Support Bracket. Screws, nuts & sleeves for Hub pivot a. Loosen the bolts of the Top Mount Bracket in the cabinet, so it can be adjusted with the top of the frame. -
Page 18: F, G, Kf Or K Series Of Rh And Xp Cabinets
c. Set the frame's pivots onto the Pivot Support Bracket and swing the frame up to the top bracket. Adjust the top bracket to align it with the top of the frame. Secure the AT&T frame to the Top Mounting Bracket using the #10 self-drilling screws. - Page 19 a. Assemble the Pivot Support Bracket parts as required for the specific type of frame. AT&T 1800-2 row 2700-3 row 1800 pair-2 row 2700 pair-3 row Optional-Cut off when using for 1800 pair AT&T 1200-2 row 1800-3 row 1200 pair-2 row 1800 pair-3 row Optional-Cut off when using for...
- Page 20 b. If the Top Drop-Down Bracket was not attached to the frame during frame removal from the old cabinet, install it with the AT&T or HUB position to the frame. Position this bracket on the two row frames so the frame will be on the left side of the cabinet. Reuse the 1/4" bolts from the Hub Cabinet and use the #10 Self drilling screws for the AT&T frame.
- Page 21 The mounting options are: Center Left of Center Left of Center Three Row Frames Three Row Frames Two Row Frames Two Filler Panels 300/450 pair 600/900 pair No Expansion Expansion Frame Expansion Frame g. Align the Top Drop Down Bracket and the Top Mounting Bracket together at the chosen option position, in the center or left of center and loosely attach them with two 1/4"...
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Page 22: Special Conversion Cabinets
"Special Conversion Cabinets" The "Special Conversion Cabinets" are expansion cabinets for one specific pair size of old cabinets. They include all frame support brackets, Self-Strip Blocks and block frames. The installation of the 4230-LF/RH - 2700/3600 Single Sided "Special Conversion Cabinet" is the same as the other RH/XP Cabinets except this cabinet includes the SS1350-9T Frame. - Page 23 3. The Pivot Support Bracket of the "Special Conversion Cabinets" has a single height position. Place this Pivot Support Bracket onto the cabinet base but don't secure it. Lay the frame onto the bracket and carefully swing the frame up to the Top Mounting Bracket.
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Page 24: Finishing The Cabinet And Mounting New Frames
5.0 Finishing the Cabinet and Mounting New Frames Shield Bonding a. Install shield bond connectors and bond straps to all cables according to your company's practice. Attach all the straps to the cabinet's bond plates. Two bond plates are provided with four positions available, two front and two rear in the corners. -
Page 25: Mounting New Expansion Frames On The Existing Frame Cabinet Side
c. Use an expanding foam sealant to seal around the cables. Mix the sealant according to the instructions. Pour the expandable sealant 1/8" thick on top of the foam tape, totally surrounding the cables. Note: Carefully follow safety, health and environmental information given on product label or the MSDS sheet for the sealant. -
Page 26: Wire Management And Splicing
Wire Management and Splicing a. Do all cable splicing work from the back of the cabinet. If the back is blocked, all work must be done through the front with the frames lowered. b. There are two Tie Off Bars mounted in the large cabinets and three bar positions on the cabinet side walls. -
Page 27: Jumper Wire Installation And Routing
Jumper Wire Installation and Routing a. Jumper wire ends must be clean cut and bent 1/2" - 3/4" 90˚. The post slot must be in the vertical insertion position. 90° Hook b. Split pair, TIP - left, RING - right, at assigned post positions. -
Page 28: Accessories Installation
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 loss or damage arising from this 3M product, whether direct, indirect, special, incidental or consequential regardless of the legal theory asserted.