installation guidelines – heliax fiberfeed direct solution
TRANSCRIPT
Visit www.commscope.com for complete specifications on all the products listed Bulletin # 7693902 Rev. L
Technical Publication
1
Related Support and Learning Opportunities Offered by the CommScope Infrastructure Academy
The insights and expertise contained in this manual represent just one small part of CommScope's global learning initiative. Few industries are evolving as quickly as wireless communications. Every technological innovation impacts what happens in the field. Our customers look to the CommScope Infrastructure Academy to make sure their technicians and installers are well trained, well-prepared, and well-educated to take advantage of opportunities as they evolve. To access a course, go to www.commscopetraining.com/coursecatalog.php, course #6107
Field Engineering Services (FES)
Support services, such as our Field Engineering Services (FES) Group gives CommScope customers access to technical support where and when it is needed the most — in the field. The FES team is staffed by an expert team of technicians who, in turn, are supported by some of the brightest and most experienced product line managers.
Section 1: Direct Breakout Components / Accessories ………...…………….......…………………………….…02
Section 2: Color Coding ...................................................................………………………………………..………03
Section 3: Hoisting Considerations .................................................………………………………………..………04
Section 4: DCM-U Mounting / Grounding .......….............................................................…………………....…07
Section 5: All-in-One Cleaner / Inspecting .....….............................................................…………………....…08
Section 6: General Specifications Fibre Tails ........……..............……………………….……....……………….....09
Section 7: DFJ-4S112B Fibre Tail Installation .......……..............……………………….……....……………….....10
Section 8: DFJ-4S114B Fibre Tail Installation .....……..............……………………….……....……………….....13
Section 9: DFJ-4S113B Fibre Tail Installation .....……..............……………………….……....……………….....16
Section 10: Protecting Unused Fibre .............................................................…………….…….……………..……18
Section 11: Excess Cable Management ......................................................…………….…….……………..……18
Section 12: MPO Installation / Wiring ..................................................………………………………………….....20
Section 13: Jacketing Removal Procedure for Additional Grounding / Reel Packaging .......................……22
Section 14: Installation Check List ................................................................................………………..……..……23
For more information, Contact Customer Service Center
Australia Tel 03 9300 7969 or Toll Free on 1800 803 219
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International: +1-779-435-8579
For the most current, up-to-date information on all our products and product information please visit our eCatalog section at www.commscope.com.
Installation Guidelines – HELIAX® FiberFeed® Direct Solution: Direct Connect Bird Resistant Solution
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Section 1: HELIAX® FiberFeed® Direct Components
!WARNING: CommScope Hybrid FiberFeed cables
require the use of approved installation accessories.
Direct Breakout canisters
Fibre tail
Equipment cabinet / shelter
Hybrid FiberFeed
Cable
Separate Fibre and
power conductors Maximum hanger spacing
0.9 m (3 ft) - 1.2 m (4 ft)
Mounting Kit Included Part Number: DCM-U
(additional components may be required based on installation configuration)
Minimum Distance 0.5 m (1.6 ft)
Supports up to 9 RRU's (Fibre and Power tails to 4 RRU shown for clarity)
Accessories
RRU
Power conductorsPower tail
CABLE SERIES PART NUMBER DESCRIPTION
FDH808, 1208, 1810 42396A-5 Standard Hanger
FDH810, 1210 42396A-9 Standard Hanger
FDH1808 FA-3236-STH Standard Hanger
Bird proof Tails / Power conductors
FA-1923-STHStandard Hanger with grommet
FDH808, 1208, 1810 19256B-C Hoisting Grip (lace-up)
FDH810, 1210 29958-C Hoisting Grip (lace-up)
FDH1808 29961-C Hoisting Grip (lace-up)
DFJ-4S114B FA-BPB-NOK Mounting bracket Nokia RRu's
All 243684Angle Adapter, compact 3/8 in tapped hole
All FA-102997-HC3Cable entry seal, 24 - 54 mm (0.945 - 2.126 in) entry panel port size 4 in
All FA-SSUF Spare fibre protection sleeve
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Section 2: Color Coding
12233445
123
166778899 5
123456789
456789
789
44566778899 5
778899
123456
789
789Fibre
End 1 RRU
Power
End 1 Color End 2 Color1 RED
1 RED2 GREEN3 BLUE4 YELLOW
2 GREEN5 WHITE6 BLACK7 RED (X2)
3 BLUE8 GREEN (X2)9 BLUE (X2)
End 2 BBU
End 1 Label Color End 2 Conductor Color Label Color
1 RED1 BLUE RED1 RED RED
2 GREEN2 BLUE GREEN2 RED GREEN
3 BLUE3 BLUE BLUE3 RED BLUE
4 RED (X2)4 BLUE RED (X2)4 RED RED (X2)
5 GREEN (X2)5 BLUE GREEN (X2)5 RED GREEN (X2)
6 BLUE (X2)6 BLUE BLUE (X2)6 RED BLUE (X2)
7 RED (X3)7 BLUE RED (X3)7 RED RED (X3)
8 GREEN (X3)8 BLUE GREEN (X3)8 RED GREEN (X3)
9 BLUE (X3)9 BLUE BLUE (X3)9 RED BLUE (X3)
At both ends of the trunk assembly the power labels can be lost if the length is significantly reduced during installation.
Always re-label conductors before cutting off excess.
!
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Section 3: Hoisting Considerations
Hoisting Recommendations
Reminder: Plan grip location by measuring distance (D) from ODC
compatible connector to tower support member.
(D)
(D)
Direct Breakout
Grip Location
• In general this cable will handle similarly to coaxial cable, and similar installation techniques apply. All cables are individually serialized, be sure to write down the cable serial number for future reference.
• Leave the protective packaging around the Fibre tails and power conductors during hoisting and securing the cable.
• Be sure that the Direct breakout is not damaged by attachment of a hoisting grip or during the hoisting process. Attach a hoisting grip on the jacketed cable no less than .3 m (1 ft) below the fibre breakout point. Prevent the fibre tails and power conductors from undue movement during hoisting by securing with tie ropes every 1 m (3 ft) to the hoisting line.
• During hoisting ensure that there is a free path and that the cable breakouts will not be snagged on tower members or other obstacles.
• Installation temperature range is -40°C to +80°C (40°F to +176°F).
• Minimum cable bend radii can be found on-line in our eCatalog section at www.commscope.com.
• Maximum cable tensile load can be found on-line in our eCatalog section at www.commscope.com.
• CommScope Lace-Up Hoisting Grip 19256B-C required for 808, 1208, and 1810 installations.
• CommScope Lace-Up Hoisting Grip 29958-C required for 810 and 1210 installations.
• CommScope Lace-Up Hoisting Grip 29961-C required for 1808 installations.
• Hoisting Grip should be anchored to the support structure after the hangers are installed.
• During final connections to RRU, do not bend the fibre ends tighter than 30 mm (1.2 in) bend radius or you take the risk of breaking the glass fibres.
Hybrid Fibre Cables weigh more than traditional coaxial cables. Be sure to follow proper hoisting and attachment procedures.!
4-Fibre ODC compatible connectors
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Required: For field installed hoisting grips be sure to install provided Tie Wrap to the base of the hoisting grip before
applying tension to the line.
!
Clevis
Steel cable or rope hoist line
Hoisting grip
Max
imum
60
m (2
00 ft
) bet
wee
n ho
istin
g gr
ips
Hoisting Considerations: RRU End
Install tie back ropes and tie wraps to
keep power and fiber together during hoisting
If the structure does not allow the breakout to fit through access ports due
to space limitations skip to next page
WARNING: If the hoisting grip is pre-installed the installation crew MUST follow steps 6 and 7 printed on back of
the hoisting grip packaging before hoisting the cable. This will entail
removing any slack in the grip and installing zip ties at base of the grip.
!
1 m (3 ft)
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Clevis
Steel cable or rope
hoist line
Hoisting grip
Minimum
5 ft (1.5 m) leader
Max
imum
200
ft (6
0 m
) be
twee
n ho
istin
g gr
ips
Hoist line pulley
Hybrid cable
Rope tie
Rope safety line
Hoist line inside of
monopole
Hoisting grip
Tag line
Hoist line
Cable bridge
WARNING
Protect Hybrid cable from external damage
Required:
Apply Tie Wrap to the base of the hoisting grip to avoid slipping of the grip.
MASH Tower Inc.
NOTE: If congestion inside of the pole doesn't allow for hoisting from the bottom of the pole, rig to pull the smaller diameter BBU end from the top port down.
Cable will need to be completely uncoiled from the reel to access the BBU end.
Fasten the power cables to the protective corrugated sleeve to keep fiber and power
together during installation
Hoisting Considerations: BBU End
!
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Section 4: DCM-U Mounting / Grounding
Side View Top View
Angle adapter (UA-3)
Hose Clamp
Hardware
Stand Off
To Canisters
Steel supportside view
Pipe mountside view
To Structure
Angle Adapter and Hose Clamp Angle Adapter
Additional Hose Clamp (based on pipe dia.)
Insert (UAAI)
One mount required per canister
Canister should be grounded. A 2 to 6 AWG weatherable conductor should be run as straight and short as possible to an adequate grounding point to perform properly. (contractor supplied)
Grounding
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Device designed for cleaning the ferrule end faces of Fibre connectors
Open guide cap, insert connector into guide, push the outer shell to start cleaning the connector interface, a "click" sound indicates end of a cleaning process, repeat, close cap immediately after use.
Caution: Be careful not to slant connector while inserting into the Guide cap. Do not overly exert force during insertion as this may cause damage to both the connector and the cleaner.
Section 5: All in one cleaner
GuideConnector
Push Cleaner X2
Cap
There are 3 basic principles that are critical to achieving an efficient Fibre optic connection:
1. Perfect Core Alignment
2. Physical Contact
3. Pristine Connector Interface
Today’s connector design and production techniques have eliminated most of the challenges to achieving core alignment and physical contact. What remains challenging is maintaining a pristine end-face. As a result, CONTAMINATION is the #1 reason for troubleshooting optical networks.
Implementing the process of cleaning and inspecting before mating can reduce the time spent troubleshooting, optimize signal performance and prevent damage.
Inspecting
Is It Clean?
No ConnectYes
Inspect
Clean
Clean
Abrasive particles (i.e. rock dust) can cause permanent damage to the
interface. If interface is scratched it cannot be repaired, it would need to be replaced.
!
Scan to view video
Part Number Description
FCCT – MPO MPO Connectors
FCCT – ODC ODC compatible connector
FCCT – L DLC Connectors
Part Number: FCCT - L (shown)
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HELIAX® FiberFeed®
Bend insensitive single mode Fibre (G.657.A2) Black DLCODC compatible (IP68)
37.1 kg/km | 24.9 lb/kft21 mm | .8 in
90 mm | 3.5 in 60 mm | 2.4 in 334 N | 75 lbf1110 N | 250 lbf
Section 6: General Specifications Fibre Tails
• The terminated Fibre ends however are fragile and must be protection during installation. Leave the packaging around the Fibre ends in place until ready to make final connect of the jumper at the RRU or BBU.
• DO NOT BEND THE Fibre ENDS TIGHTER THAN 30 mm (1.2 in) BEND RADIUS ELSE THERE IS A RISK OF BREAKING THE GLASS FIBRES.
• Attach the main cable securely to the structure or equipment using hangers to prevent strain on connections from movement in wind or snow/ice conditions.
• Ensure the Fibre and power connections and seated firmly in the RRU.
• Installation temperature range is -40°C to +70°C (-40°F to +158°F).
• All tails are individually serialized, for immediate access to test results visit www.commscope.com/webtrak/
General Specifications BrandFibre Type Jacket Color Interface: End 1Interface: End 2
Dimensions Cable Weight Diameter Over Bird Proofing
Physical Specifications Minimum Bend Radius, loaded Minimum Bend Radius, unloaded Tensile Load, long term, maximum Tensile Load, short term, maximum
HuaweiPART NUMBER DESCRIPTION
DFJ-4S112B-xxM 4 SM Fibre, breakout for Huawei RRU
NokiaPART NUMBER DESCRIPTION
DFJ-4S114B-xxM 4 SM Fibre, breakout for Nokia 4 Port RRU
NokiaPART NUMBER DESCRIPTION
DFJ-4S113B-xxM 4 SM Fibre, breakout for Nokia 6 Port RRU
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Section 7: Fibre Tail Installation DFJ-4S112B
+ -
+ -+ -+ -
1
2
3
Tighten the ODC compatible connectors to 1 N•m (8.8 in−lb).
Slide protective sleeve over the connectors and onto the protective sleeve .
Tighten both ends of the protective sleeve.
75 mm(2.95 in)
+ -
Corrugated sleeve
Gland Nut
4 Place gland nut on edge of RRU. Connect the Fibre to the RRU then tighten the RRU clamp on corrugated sleeve over Fibre subunit.
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For RRUs 3832, 3936, 3260 and 3268 slide 11 mm conduit inside of power tail bird resistant sleeve. Replace bird resistant connector by sliding connector over cable while twisting clockwise. Tighten the gland nut on the power cable.
Power Tail Installation to RRU, Blue -48VDC and Black 0V
After the trunk cable is mounted measure distance to determine the length of the bird resistant sleeve and power conductor.
Remove bird resistant connector by loosening the gland nut. Open the safety clip with a screwdriver. Pull the connector off the bird resistant sleeve. Push the safety clip back into the connector.
X
X
2
1
3 4
Cut bird resistant sleeve at . Be careful not to cut the power conductor inside of the bird resistant sleeve. Dispose of excess bird resistant sleeve.
X
X
For RRUs 3832, 3936, 3260 and 3268 cut the power conductor to 200 mm (7.78 in). Dispose of excess power conductor.
1
2
12
200 mm (7.78 in)
1
24
3
1 2
3 4a 4b
5
For RRUs 3256 and 3929 cut the power conductor to 125 mm (4.92 in). Dispose of excess power conductor.
125 mm (4.92 in)
Remove the jacketing to expose the blue/black conductors.
6a
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Feed power conductor into power box. Prep cable to dimensions listed on cover. Wire RRU and close lid. Cable gland needs to be flush with the bottom of the power box. Close door, install locking screws.
FibrePower
RRU
+ -+ GND -
8
For RRUs 3256 and 3929 remove 75 mm of length from the 11 mm conduit then slide the conduit inside of power tail bird resistant sleeve. Replace bird resistant connector by sliding connector over cable while twisting clockwise. Tighten the gland nut on the power cable.
1
2
1
2
6b 7 Place tape at end of conduit to build up thickness with for proper clamp seal
6X!
If jumper breakouts require staggering, install additional provided piece of bird resistant sleeve to cover both jumpers between the RRU and lower grommet. Close door, install locking screws.
Additional bird resistant sleeve (42 mm dia. 80 mm length)
RRU
+ -
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Section 8: Fibre Tail Installation DFJ-4S114B
1
2
Slide protective sleeve on trunk Fibre tail.
Tighten the ODC compatible connectors to 1 N•m (8.8 in−lb).
3 Slide protective sleeve over the ODC compatible connectors and tighten both ends.
4 Mount the mounting bracket to the RRU mounting plate. Thread the hose clamp thru slots in mounting bracket.
RRU Mount
Mounting bracketRRU
Fibre Ports
Mounting hardware
Part Number: FA-BPB-NOK
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5
Tighten the hose clamp securing the protective sleeves to the mounting bracket / RRU. Tighten both gland nuts to the end of the bird resistant sleeves.
Thread hose clamp thru slot in mounting bracket. Connect DLC connectors and install the weather seal boots. Slide bird resistant sleeve to base of RRU covering the fibre boot.
6
Power Tail Installation to RRU, Blue -48VDC and Black 0V
After the trunk cable is mounted measure distance to determine the length of the bird proofing and power conductor.
Remove bird resistant connector by loosening the gland nut. Open the safety clip with a screwdriver. Pull the connector off the bird resistant sleeve. Push the safety clip back into the connector.
X
X
2
1
3 4
1
24
3
1 2
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Slide the protective sleeve and power weatherproofing boot over power cable.
Cut bird resistant sleeve at . Be careful not to cut the power conductor inside of the bird proofing. Dispose of excess bird resistant sleeve.
X
X
Cut the power conductor to 170 mm (6.69 in). Dispose of excess power conductor.
170 mm (6.69 in)
3 4
5 Replace bird resistant connector by sliding connector over cable while twisting clockwise. Tighten the gland nut on the power cable.
1
1
2
2
6
Slide the protective sleeve over the power weatherproofing boot. Connect aluminum bracket to the RRU with screw provided.
7 Connect the power conductors to the RRU and slide the power weatherproofing boot into place.
8
+ -+ GND -
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Section 9: Fibre Tail Installation DFJ-4S113B
1
2
3
Tighten the ODC compatible connectors to 1 N•m (8.8 in−lb).
Slide protective sleeve over the connectors and onto the protective sleeve.
Tighten both ends of the protective sleeve.
75 mm(2.95 in)
4 Route Fibre to RRU, connect and lock gland on the RRU entry plate before installing cover. Entry plate will sit on the threaded portion of the gland nut.
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Power Tail Installation to RRU, Blue -48VDC and Black 0V
After the trunk cable is mounted measure distance to determine the length of the bird resistant sleeve and power conductor.
Remove bird resistant connector by loosening the gland nut. Open the safety clip with a screwdriver. Pull the connector off the bird resistant sleeve. Push the safety clip back into the connector.
X
X
2
1
3 4
Cut bird resistant sleeve at . Be careful not to cut the power conductor inside of the bird proofing. Dispose of excess bird proofing.
X
X
1
24
3
1 2
3 4
5
Replace bird resistant connector by sliding connector over cable while twisting clockwise. Tighten the gland nut on the power cable.
1
1
2
2
Route power to RRU, Connect and lock gland on the RRU entry plate before installing cover. Entry plate will sit on the threaded portion of the gland nut.
+ -+ GND -
Fibre
Power
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Section 11: Excess Cable Management
Section 10: Protecting Unused Fibre
1
2
Slide the spare fibre protective sleeve kit FA-SSUF over the connector and onto the pre-installed fibre protective sleeve.
Make sure connector is 75 mm (2.95 in) inside of protective sleeve then tighten onto the pre-installed protective sleeve. Mount and secure with open end down so it will NOT fill with water
75 mm(2.95 in)
End of connector
1
22
33
44
5
1
2
3
1
66
77
88
99
5
12
3456789
456789
789
44
5
66
77
88
99
5
77
88
99
1
23
45
6
789
789
The trunk assembly power labels can be lost if the length is significantly reduced
during installation. Always re-label conductors before cutting off excess.
!
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If length of cable installed needs to be adjusted you can split the cable at the BBU end using the process below and then coiling the excess Fibre subunits in a storage box. Patch Panel Kits are available to manage any excess Fibre length in the breakouts at the BBU.
Mark cutback length Notch Armor using flush cutter in-line with Kevlar strings
Place Rip Cord in Notches Pull Rip Cord Parallel to Cable (while supporting breakout)
Stop at Length Marker Separate Armor
Cut Armor Using Side Cutter Remove Water Blocking Tape
Remove Excess Rip Cord Apply Electrical Tape to Protect Breakout
Patch Panel Kit Part Number:
HFF-SMPK-SS-24
NOTE: Remember to slide identifier labels down the power conductors before trimming the cable to its final length
1 2
3 4
5 6
7 8
9 10
Excess Fibre storage Box
Part Number: FE-14126-E
Scan to view video
Cable Splitter tool Part Number: FA-RCRT-PD
Seam Ripper
NOTE: Step can be expedited by using a sewing seam ripper that can be purchased at local hobby stores
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Section 12: MPO Installation / Wiring
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
3
2
1
MP
O 1
MP
O 2
MP
O 3
Route cable into rack from back of the unit. Carefully coil excess fibre subunit inside of the rack. (Rack will accommodate 50 metres of excess fibre) Feed the fibre subunits out the front of the unit.
Remove the dust caps from the MPO connectors and clean with an all-in-one cleaner (FCCT-MPO).
Connect the trunk MPO connectors to the black MPO adapter at the base of the 12 or 24 fibre cassettes.
Carefully install the cassettes into the slots.
Mount the rack (P# 559552-2) with provided installation instructions. Slot A - C (9 RRU). D - M are expansion slots.
Subunits can enter and exit from either side
Note: Do not install in a rainy or windy environment without additional shielding of the exposed MPO’s. The exposure of the exposed MPO to the outdoor environment should be minimized even under ideal conditions.
Expansion slots
X 2
12
1 2
3 4
5
3
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
3
2
1
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A
FibreBBU End
Patch PanelRRU End
Trunk
1
Power
BBU End Patch Panel
RRU End Trunk
Pair 1 Red Blue
Black Blue
Pair 2 Red Blue
Black Blue
Pair 3 Red Blue
Black Blue
Pair 4 Red Blue
Black Blue
Pair 5 Red Blue
Black Blue
Pair 6 Red Blue
Black Blue
MPO Cable 1 Wiring
B
FibreBBU End
Patch PanelRRU End
Trunk
Power
BBU End Patch Panel
RRU End Trunk
Pair 1 Red Blue
Black Blue
Pair 2 Red Blue
Black Blue
Pair 3 Red Blue
Black Blue
Pair 4 Red Blue
Black Blue
Pair 5 Red Blue
Black Blue
Pair 6 Red Blue
Black Blue
MPO Cable 2 Wiring
C
FibreBBU End
Patch PanelRRU End
Trunk
Power
BBU End Patch Panel
RRU End Trunk
Pair 1 Red Blue
Black Blue
Pair 2 Red Blue
Black Blue
Pair 3 Red Blue
Black Blue
Pair 4 Red Blue
Black Blue
Pair 5 Red Blue
Black Blue
Pair 6 Red Blue
Black Blue
MPO Cable 3 Wiring
BBU End: Red = 0VBlue = -48V
RRU End: Black = 0VBlue = -48V
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
3
2
1
12
34
56
78
910
1112
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
3
2
1
12
34
56
78
910
1112
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
A B C D E F G H J K L M
3
2
1
A B C D E F G H J K L M
3
2
1
12
34
56
78
910
1112
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Section 13: Jacketing Removal Procedure for Additional Grounding
1. Score the jacketing 360º
2. Measure 51 mm (2 in) and repeat
3. Identify where the aluminum shielding overlaps, this will feel like a flat spot in the cable
4. Remove a section of jacketing between score marks
5. Lift edge of jacketing
6. Grab lifted edge of jacketing with a pair of pliers and roll on the cable
7. Remove excess adhesive with a piece of emery cloth
* Grounding kit installation instructions included with the grounding kit.
Scan to view video
Reel Packaging
Carefully remove shrink wrap
After shipment arrives take extra care when removing the over packing. Remove reel from box or cut strap holding the reel to the shipping pallet. Take care not to damage the assembly as you roll the reel to installation location. Excessive nicks and cuts in the outer jacketing can cause failure. Place reel on stands to lift off the ground so the reel can spin freely while still being controlled by hand.
Lift the shrink wrap away from the cable before removing with scissors. Cable is transported on a double flange reel so both ends may be accessed for pre-testing if required.
Place reel on jack stands
Visit www.commscope.com for complete specifications on all the products listed Bulletin # 7693902 Rev. L
Technical Publication
23
© 2016 CommScope
Notice: CommScope disclaims any liability or responsibility for the results of improper or unsafe installation, inspection, maintenance, or removal practices.Aviso: CommScope no acepta ninguna obligación ni responsabilidad como resultado de prácticas incorrectas o peligrosas de instalación, inspección, mantenimiento o retiro.Avis : CommScope décline toute responsabilité pour les conséquences de procédures d’installation, d’inspection, d’entretien ou de retrait incorrectes ou dangereuses.Hinweis: CommScope lehnt jede Haftung oder Verantwortung für Schäden ab, die aufgrund unsachgemäßer Installation, Überprüfung, Wartung oder Demontage auftreten.Atenção: A CommScope abdica do direito de toda responsabilidade pelos resultados de práticas inadequadas e sem segurança de instalação, inspeção, manutenção ou remoção.Avvertenza: CommScope declina eventuali responsabilità derivanti dell’esecuzione di procedure di installazione, ispezione, manutenzione e smontaggio improprie o poco sicure.
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Tails are properly supported to prevent strain on fibre during severe weather
Bend radius minimums haven't been exceeded
CommScope approved installation accessories are used
Maximum hanger spacing of 0.9 m (3 ft) - 1.2 m (4 ft) is maintained
Visually inspected end face for residual dirt and damage
Avoid migration of contaminations from one connector to another
Check continuity by using LED or lazer light source from one end face and look for light from other end to identify any broken fibre (Do not look directly at cable with lazer source)
Fibre connections are engaged and the sectors are consistent with requirements
Cable serial number has been documented in the closeout paperwork and a copy has been left on-site
Section 14: Installation Check List