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TECP-91-008
Rev C, January 2019
Enhanced High Density (EHD) Panel
Content
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Trademark Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Applicable Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Admonishments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
General Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1
PRODUCT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.1
1.2
1.3
1.4
1.5
2
UNPACKING AND INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3
PANEL INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.1
3.2
660001735 Rev B
www.commscope.com
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Major Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Comparative View of 1RU, 2RU, and 4RU Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Transportation and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Mounting the Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
User Manual
26417-A
© 2019 CommScope. All Rights Reserved.
Page
(continued)
Page 1
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Summary of Contents for CommScope EHD
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Page 1: Table Of Contents
User Manual TECP-91-008 Rev C, January 2019 Enhanced High Density (EHD) Panel 26417-A Content Page INTRODUCTION ................2 Revision History . -
Page 2: Introduction
CONTACT INFORMATION ..............26 INTRODUCTION This user manual describes the Enhanced High density (EHD) Panel. Included in this user manual are all procedures required in installing the EHD Panel as well as operation procedures. Revision History... -
Page 3: General Safety Precautions
6-inch channel. The EHD Panel will also mount in 19-inch or 23-inch cabinet. The EHD Panel is available in 1RU, 2RU, or 4RU size. In each 1RU of rack space, a fully loaded panel provides 144 LC (72 Duplex) terminations and/or 72 MPO ports. The panel features slide out blades (three per 1.75 inches (4.44 cm) of rack space) -
Page 4: Comparative View Of 1Ru, 2Ru, And 4Ru Panel
• Designation Label—provides physical space for recording fiber designations. Comparative View of 1RU, 2RU, and 4RU Panel The figures below provide comparative views of the different sizes of the EHD Panel, as follows: 1RU panel (Figure 2);... - Page 5 TECP-91-008 • Rev C • January 2019 Figure 2. EHD 1RU Panel Figure 3. EHD 2RU Panel Figure 4. EHD 4RU Panel Page 5 © 2019 CommScope. All Rights Reserved.
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Page 6: Specifications
MIDSHELF TO REMOVE THE MIDSHELF, 26426-A REMOVE THESE TWO SCREWS Figure 6. EHD 4RU Panel, Rear View, Rear Cover Removed Note: The 4RU panel comes with a rear midshelf, shown in Figure 6. This midshelf can be removed for easier access to the bottom blades when cabling or for high count cables that will be terminated on both lower and upper blades. -
Page 7: Transportation And Storage
Panel front door and rear cover will need to be opened to remove them. 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 Section 7 on Page 26 if you need to contact CommScope. -
Page 8: Panel Installation
When mounting into a cabinet, it is recommended that the rear mounting rails be 24 inches back (60.96 cm) from the front mounting rails. Trunk breakouts are intended to come into the rear right or left side of the panel. CommScope trunks with standard breakouts and gland adapters are the preferred method. -
Page 9: Mounting The Panel
BRACKET (2X) 19-IN. 26531-A MOUNTING BRACKET (2X) Figure 8. EHD Panel as Shipped 2. Select the mounting position to be used referring to Figure 7, and if required remove and re-install the mounting brackets on the panel using the screws holding the brackets when shipped. -
Page 10: Grounding The Panel
26419-A SUPPORT CHASSIS ON SCREW SHANKS Figure 9. EHD Panel as Shipped Grounding the Panel A termination (for an M4 screw) is provided on the panel for a frame ground connection, if required. The connection must be made in accordance with local and national electrical codes. -
Page 11: Operation
1. To slide out a blade to the first (access) position, pull out the pull arm on the right side of the panel until the blade contacts the first detent, as shown in Figure 26409-A PULL Figure 11. Sliding Out Blade to First Position Page 11 © 2019 CommScope. All Rights Reserved. - Page 12 3. Hold the adapter pack or module above the blade, align it with the blade position, and press it into place as shown in Figure 13 (MPO adapter pack) or Figure 14 (LC-MPO module). Page 12 © 2019 CommScope. All Rights Reserved.
- Page 13 MODULE 26412-A Figure 14. Installing LC-MPO Module 4. To close the blade, push in the push handle on the right side of the panel until the blade is fully within the panel. Page 13 © 2019 CommScope. All Rights Reserved.
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Page 14: Accessing Connectors On Back Of Modules
2. Pull on a gray fiber management finger (not the white pull handle). The gray management finger is highlighted in yellow in the figure. Note: Pull on the middle fiber management finger as shown. Page 14 © 2019 CommScope. All Rights Reserved. - Page 15 TECP-91-008 • Rev C • January 2019 FIBER MANAGEMENT FINGER 26532-A FIBER MANAGEMENT FINGER Figure 15. Removing Blade From Front Page 15 © 2019 CommScope. All Rights Reserved.
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Page 16: Installing Trunk Cables
Trunks should be installed from bottom up. Cables may be routed to the panel from either side or from both sides. Note: The preferred trunks for the EHD panel are CommScope trunks with gland adapters and standard breakout lengths. - Page 17 Figure 19. Depressing the Tab Page 17 © 2019 CommScope. All Rights Reserved.
- Page 18 4. Based on cable location and number of sub-units, determine the configuration to be used for routing cables to the EHD panel. Cables may enter the panel from either side only or from both sides. For an example of single side entry, see Figure 20.
- Page 19 Secured in Cable Clamps Figure 23. Trunks With Protective Mesh Tubing at Entry Point to EHD Panel 5. Starting with the lowest, rear-most hole, remove the center “knockout” from the molding. Slide the cable breakout through the slit on the side of the molding.
- Page 20 Refer to Figure 21 on Page Note: Breakout lengths for trunks entering panel from side plates should be 30+/- 3 in. (76.2+/-7.62 cm). CommScope trunk cables with gland adapters meet this requirement. Figure 24. Routing in the First Trunk (Trunk With Gland Adapter Shown) 6.
- Page 21 7. Secure the trunks outside of the panel to rack or cabinet with cable mounting brackets or similar method. 8. Pull all blades fully forward into second position and dress cables with hook-and loops. 9. Push in blades and ensure unimpeded cable movement. Page 21 © 2019 CommScope. All Rights Reserved.
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Page 22: Accessories
AS SHOWN IN THE BOTTOM EDGE OF CHASSIS DETAIL BUBBLE. CABLE MOUNTING BRACKET CABLE MOUNTING BRACKET VERTICAL CABLE MOUNTING BRACKET (FOR USE WITH FRONT COMMSCOPE TRUNKS OBLIQUE THAT HAVE GLAND VIEW 26829-A ADAPTER) Figure 28. Channel Rack Mounting Accessories Page 22... -
Page 23: Cabinet Mounting
2-3 inches (5.08-7.62 cm), and remove the outer jacket up to the gland adapter. This will lengthen the breakouts. • Cable Mounting Bracket (EHD-RMB) mounts to rear side of rail and provides a point to secure trunks. • Vertical Cable Mounting Bracket (EHD-RMB-GAB) mounts to rear side of the rail and allows the cable attachment molding to snap into the bracket for top down or bottom up securing of CommScope trunks with gland adapters. -
Page 24: Umb Brackets
2-3 inches (5.08-7.62 cm) and remove the outer jacket up to the gland adapter. This will lengthen the breakouts. • Cable Mounting Bracket (EHD-CMB) mounts to rear side of rail and provides a point to secure trunks. - Page 25 Take caution not to exceed bend radius limitations of the fiber.Refer to Figure Figure 31. Drip Loop Page 25 © 2019 CommScope. All Rights Reserved.
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Page 26: Connecting And Routing Patch Cords
TECP-91-008 • Rev C • January 2019 6 CONNECTING AND ROUTING PATCH CORDS When connecting patch cords, route patch cords from the center of the EHD either outward to each side or outward to one side, using the cable guides to secure the patch...
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