CommScope EHD User Manual
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CommScope EHD User Manual

CommScope EHD User Manual

Enhanced high density
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TECP-91-006
Issue 4, July 2016
Enhanced High Density (EHD) Chassis
Content
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Trademark Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Applicable Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Admonishments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
General Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1
PRODUCT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1
1.2
1.3
2
UNPACKING AND INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
CHASSIS INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1
3.2
3.3
300100117751 Rev A
www.commscope.com
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Major Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Tools and Hardware Needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Mounting an Unloaded Chassis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
User Manual
26379-A
© 2016 CommScope. All Rights Reserved.
EHD
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Summary of Contents for CommScope EHD

  • Page 1: Table Of Contents

    User Manual TECP-91-006 Issue 4, July 2016 Enhanced High Density (EHD) Chassis 26379-A Content Page INTRODUCTION ................2 Revision History.

  • Page 2: Introduction

    TECHNICAL ASSISTANCE ..............22 INTRODUCTION This user manual describes the Enhanced High Density (EHD) Chassis, hereafter sometimes called simply “the EHD chassis.” Included in this user manual are all procedures required in installing the EHD chassis as well as operation procedures. Revision History...

  • Page 3: Admonishments

    1RU of rack space, a fully loaded chassis provides 144 LC terminations using duplex LC adapters. The EHD chassis is designed for ease of installation and access. It is available with either left- or right-side cable entry. The chassis features sliding blades (three per 1RU of rack space), providing full access to adapters and connectors.
  • Page 4 DOOR (SHOWN FOR REFERENCE) Figure 1. EHD Chassis Main Components (2RU Model Shown) • Fiber Cover—holds down fibers on each blade to prevent them from being inadvertently snagged or misrouted. • Grounding Location—is where a two-hole lug and ground wire are attached to connect chassis ground PEM nuts to office ground.

  • Page 5: Specifications

    3. If damage is found or parts are missing, file a claim with the commercial carrier and notify CommScope Customer Service. Save the damaged cartons for inspection by the carrier. 4. Refer to Topic 7 on Page 22 if you need to contact CommScope.

  • Page 6: Overview

    TECP-91-006 • Issue 4 • July 2016 Overview The EHD chassis is shipped on a spool, preterminated with 144 LC connectors per rack unit (RU). It is available in both left- and right-cable-entry versions. A blocking kit is provided for the purpose of splicing the provided cable into a splice bay such as the OMX.
  • Page 7 Figure 2. 2RU Mounting Bracket Positions (Front and Rear on 5-Inch Channel) 2RU FRONT MOUNT ON 3 INCH CHANNEL CHANNEL 2RU REAR MOUNT ON 3 INCH CHANNEL 26381-A Figure 3. 2RU Mounting Bracket Positions (Front and Rear on 3-Inch Channel) Page 7 © 2016 CommScope. All Rights Reserved.
  • Page 8 Figure 6. Secure the chassis to equipment rack using the #12-24 screws provided. Torque these screws to approximately 27 pound-inches (3.1 Newton meters). Page 8 © 2016 CommScope. All Rights Reserved.
  • Page 9 TECP-91-006 • Issue 4 • July 2016 25642-A Figure 6. Mounting the Chassis on the Equipment Rack (2RU Model Shown) Page 9 © 2016 CommScope. All Rights Reserved.

  • Page 10: Grounding The Chassis

    The pre-terminated chassis is shipped with the chassis mounted inside a spool containing the cable. The stub end of the cable is unwound to a splice vault or other point of termination. To unpack and mount a fully loaded chassis, use the following procedure. Page 10 © 2016 CommScope. All Rights Reserved.
  • Page 11 2. After cutting the bands on both sides of the reel, remove the bands by pulling them out from the center hole on the reel as shown in Figure Figure 9. Remove the Shipping Bands Page 11 © 2016 CommScope. All Rights Reserved.
  • Page 12 Figure 10. Rolling the Reel Across the Pallet 4. Continue to roll the reel off the pallet as shown in Figure Figure 11. Rolling the Reel Off the Pallet Page 12 © 2016 CommScope. All Rights Reserved.
  • Page 13 Figure 12. Removing the Wing Nuts on Top of the Reel 6. Remove the cover flange of the reel as shown in Figure Figure 13. Removing the Cover Flange of the Reel Page 13 © 2016 CommScope. All Rights Reserved.
  • Page 14 TECP-91-006 • Issue 4 • July 2016 7. After the cover is removed, remove the four Phillips screws holding the EHD chassis to the shipping bracket on either side of the chassis. One of the Phillips screws is pointed to Figure 14.
  • Page 15 8. Remove the EHD chassis from the reel as shown in Figure Figure 16. Removing the EHD Chassis From the Reel 9. Place the EHD chassis on a table, open the front cover, and remove the plastic shipping bracket shown being removed in Figure Figure 17.

  • Page 16: General Cable Requirements

    The minimum cable bend radius is 10 inches (25.4 cm). CommScope recommends the following type patch cords for use in the EHD chassis: • 2-Fiber UPC LC Singlemode Dual-Zip 1.7mm patch cord FPCT-SPLC-S-xM • 2-Fiber UPC LC Singlemode Dual-Zip 1.7mm RBR patch cord FPCTE-SPLC-S-xM •...

  • Page 17: Operation

    2. Slide out the blade until it stops in the second position, which permits the connectors on the back of an adapter pack to be accessed. Page 17 © 2016 CommScope. All Rights Reserved.

  • Page 18: Closing Blade

    TECP-91-006 • Issue 4 • July 2016 CONCAVE LOOP NOTE: FOR CLARITY FRONT DOOR REMOVED PULL ARM 26109-A NOTE: BLADE IS SHOWN HERE IN SECOND POSITION Figure 19. Sliding Out Blades to Second Position Closing Blade To close a blade, push in the push handle on the right side of the chassis until the blade is fully within the chassis.
  • Page 19 Caution: Pulling too far will damage the ribbons entering the back of the blade on a pre- terminated chassis. FIBER MANAGEMENT 26111-A FINGER NOTE: FOR CLARITY FRONT DOOR REMOVED FIBER MANAGEMENT FINGER Figure 20. Removing Blade From Front Page 19 © 2016 CommScope. All Rights Reserved.

  • Page 20: Removing Fiber Cover

    1. Squeeze the fingers at the center of the covers per the arrows shown in Figure 2. Pull upward on the cover and lift it off the blade. BEND FINGERS UPWARD LIFT UP FIBER COVER FIBER COVER (2X) 26112-A Figure 21. Removing Fiber Covers Page 20 © 2016 CommScope. All Rights Reserved.

  • Page 21: Re-Installing Fiber Cover

    2. Swing down the cover until it presses into and locks within the cover holder indicated in Figure 22 detail 2. GUIDE TIP OF COVER COVER HOLDER FIBER COVER 26120-A Figure 22. Re-Installing Fiber Cover Page 21 © 2016 CommScope. All Rights Reserved.

  • Page 22: Technical Assistance

    TECP-91-006 • Issue 4 • July 2016 7 TECHNICAL ASSISTANCE For technical support on this product call 1-800-830-5056, or communicate by email using TAC.Americas@commscope.com. Page 22...

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