Related Manuals for 3M 2178-L Series
Summary of Contents for 3M 2178-L Series
- Page 1 2178-L/S Series Fiber Optic Splice Case with Gasket Instructions for: 2178-S Splice Case 2178-LS Splice Case 2178-LL Splice Case 2181-LS Cable Addition Kit May 1997 34-7041-9949-5-A...
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Page 2: Table Of Contents
Table of Contents General ............................... 3 Specifications ............................. 3 Kit Contents ............................5 Cable Preparation ..........................7 Strength Member Termination......................8 Gasket Installation ..........................9 Cable Installation ..........................11 Primary Tube Preparation ........................13 Splice Case Assembly ........................13 10.0 Splice Case Reentry .......................... -
Page 3: General
................48 Discrete Fusion Splices ................12 Fusion Splices (12 fibers each) Capacity of 2522 Splice Tray ......12 Fibrlok Splices ................8 3M Fibrlok Multi-Fiber Splices* (12 fibers each) ................24 Discrete Fusion Splices ................10 Fusion Splices (12 fibers each) - Page 4 2178-S Splice Case will accommodate up to four 1.0" (25 mm) diameter cables inline when ™ ™ ™ using 3M 2522 trays. When using 3M 2523 or 3M 2524 trays it is limited to four .5" (12.5 mm) diameter cables inline. Butt applications will accommodate up to 1.0" (25 mm) diameter cables.
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Page 5: Kit Contents
....... 6 ea c) plugs ..........2 ea d) cable ties, blue and green ....4 ea e) sheath scuff ........1 f) 3M ™ 2172 strength member clamps w/ rubber boot and hose clamp ..3 ea ™... - Page 6 ....... 8 ea c) plugs ..........4 ea d) cable ties, blue and green ....4 ea e) sheath scuff ........1 f) 3M ™ 2172 strength member clamps w/ rubber boot and hose clamp ..4 ea ™...
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Page 7: Cable Preparation
Note: If wall mount bracket is required for the ™ 2178-LL Splice Case, use the 3M ™ 2199 Mounting Bracket Kit. Attach brackets to base (as shown) prior to cable preparation. ± Torque bolts to 25 in-lbs ± in-lbs (2.8 N 0.6 N... -
Page 8: Strength Member Termination
1.75" (44.5 mm) b. Install strength members into 3M™ 2172 Strength Member Clamp by loosening screw and placing strength member under screw assembly. Insure strength member is flush with end of clamp prior to tightening the screw. Install rubber boot onto clamp. -
Page 9: Gasket Installation
Gasket cannot be used as a replacement for the original mastic sealant in a reentry. Inspect closure base and ensure the surface is clean and free from any debris. The gasket is factory installed in the 3M ™ 2178-L/S Series Fiber Optic Splice Case. For replacement of the gasket, place the gasket into the sealing channel with the gasket ports opening from the top. - Page 10 Use the 1.5" (38 mm) rubber tape included with the gasket to build the cable seals. Check the placement of the tape by positioning the strength member clamp where it will be anchored to the cable tie down bracket. Wrap the supplied rubber tape between sealing washers 2"...
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Page 11: Cable Installation
Apply the grease to the gasket in the split or cut edge that allows for cable placement. grease Apply the supplied grease onto the cable area between the washers and to the outside of the wrapped sealing plugs, if any. Plugs should be placed inside gasket at the unused entry ports. - Page 12 Attach cables to closure base, using one of the two methods below: ™ 2172 Strength Member Clamp: Attach each cable to the closure base by installing a hose clamp through the slot on the strength member clamp, then around the cable tie down bracket, and tighten the clamp.
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Page 13: Primary Tube Preparation
9.0 Splice Case Assembly ™ Note: If 3M 2183 Universal Aerial Hanger Bracket is to be used, follow its practice prior to splice case assembly. Before placing the closure cover on the closure base or the ™... -
Page 14: 2181-Ls Cable Addition Adapter Installation
™ 11.3 If needed, two tray supports can be used. Tray supports may be ordered separately as the 3M 2178-STS ™... - Page 15 d. If placing one adapter on another adapter, make certain the note "AIR VALVE END" lines up for all adapters, gaskets, and the closure base. e. Set adapter, with the word "BOTTOM" facing down, on top of the closure. Note: It is important to orient the gaskets correctly on each level of the assembly (see Section 6.2 and 6.3).
- Page 16 SUSTAINED OR INCURRED BY REASON OF THE USE OF ANY OF THE SELLER'S PRODUCTS THAT WERE DEFECTIVE. Telecom Systems Division 6801 River Place Blvd. Austin, TX 78726-9000 800/426-8688 Printed in USA Printed on 50% recycled paper http://www.mmm.com/telecom © 3M 1997 34-7041-9949-5-A with 10% post-consumer...