3M FDC 08M User manual

June 2009
78-8140-4883-7-A
3M™Fiber Dome Closure FDC 08M
Instructions
3

2 78-8140-4883-7-A
1.0 Introduction
1.1 The 3M™Fiber Dome Closure FDC 08M can accommodate up to six 0.47” (12 mm) cables when using
the 3M™12 mm External Cable Assembly Module (ECAM) and two 0.79” (20 mm) main cables. The
3M™ Cable Entry Port Kit is designed to accept fiber optic loose tube and central tube cables with external
diameters from 0.16" to 0.47" (4-12 mm) and flat drop (0.18 x 0.32"). It will accommodate cables with
single or dual cable strength members.
The FDC 08M can accommodate both dielectric and armored cables. For armored cables, the grounding
kit must be purchased separately.
Specifications
Closure Tray Capacity: 4
6
3M™Hinged Fiber Optic Splice Tray 2540 for buffer tube cable and ribbon cable OR
3M™Hinged Fiber Optic Splice Tray 2539 for buffer tube cable only
2539 Splice Tray Capacity
2540 Splice Tray Capacity:
12
12
36
Single Fusion Splices
Single Fusion Splices
Mass Fusion Ribbon Splices
Main Cable: 2 0.39” (10 mm) min to 0.79” (20 mm) max diameter
Max Branch Cables: 6 0.16” (4 mm) min to 0.47” (12 mm) max diameter
Ground Lug: 1 1/4 -20 threaded ground stud
Air Valve: 1 5 PSI max (34kPa max) flash
Express Storage: 72” (1.8 m) max of LBT 72F (12 fibers/buffer) / RF 144F
2.0 Kit Contents
2.1 3M Fiber Dome Closure FDC 08M
B
C
D
E
F I
K
J
A
G
H
A. Dome (size M)
B. Base assembly
C. Storage basket
D. Hinged splice tray bracket for 3M™Fiber Optic Splice Trays 2539 or 2540
E. 3M™Double Cable Entry Port ECAM-20 mm-D
F. 3M™Double Cable Entry Port ECAM-20 mm loose parts
G. Qty (1) 3M™Splice Tray 2540 Assembly
H Qty (1) 3M™ Cable Entry Port ECAM-12 mm Kit
I. 78-8140-3820-0 Instructions for Double Cable Entry Port ECAM-20 mm-D
J 78-8135-6181-4 Instructions for Cable Entry Port ECAM-12 mm
K. Fiber Dome Closure FDC 08M instructions
Visually inspect all components. If any component is missing or appears damaged, do not install.
Call 3M customer service at 1-800-426-8688 for a replacement product.

78-8140-4883-7-A 3
3.0 3M™Fiber Dome Closure FDC 08M Base Configuration
14
567
8
Ground Stud
1/4-20 Thread
Air Valve
Install with 30 in-lbs (3.4 N•m)
torque both sides
3M™Double Cable Entry Port
ECAM-20mm-D
FDC 08M Closure Installation
3.1 Unpack the closure.
3.2 Install FDC 08M closure using appropriate
mounting bracket per company procedure.

4 78-8140-4883-7-A
4.0 Available Mounting Brackets
P/N: 80-6113-3206-7
3M™Aerial Strand Mount Hanger Bracket for 3M™Fiber
Dome Terminals FDST 08 & FDT 08M
P/N: 80-6113-3205-9
3M™ Pole/Pedestal/Wall Mounting Kit
P/N: 80-6113-1721-7
3M™ FD08 PED Mounting Bracket for
8" CHARLES IND PED
P/N: 80-6113-1720-9
3M™ FD08 PED Mounting Bracket for
10" CHANNEL PED
P/N: 80-6113-1706-8
3M™ FD08 Handhole Mounting Bracket for 17 X 30

78-8140-4883-7-A 5
5.0 Dielectric Main Cable Preparation
48” (1.2m)
SHEATH REMOVED
TYPICAL CENTRAL TUBE
CABLE PREP
6” (150mm)
TRIM SINGLE OR
DUAL CSM RODS
8” (200mm)
CENTRAL TUBE
TRIMMED
72” MAX (1.2m)
SHEATH REMOVED
0.16” TO 0.47” (4-12 MM) CABLE DIAMETERS
0.16” TO 0.47” (4-12 MM) CABLE DIAMETERS
0.16” TO 0.47” (4-12 MM) CABLE DIAMETERS
0.16” TO 0.47” (4-12 MM) CABLE DIAMETERS
TYPICAL CABLE PREP
6”(150mm)
TRIM SINGLE OR
DUAL CSM RODS
3”(75mm)
SCUFF SHEATH
ON ALL CABLES
72” MAX (1.2m)
SHEATH REMOVED
TYPICAL CABLE PREP
6”(150mm)
TRIM SINGLE OR
DUAL CSM RODS
8”(200mm)
CENTRAL TUBE
48” (1.2m)
SHEATH REMOVED
TYPICAL CABLE PREP
6” (150mm)
TRIM SINGLE OR
DUAL CSM RODS
EXPRESS LOOSE BUFFER TUBE CABLE
EXPRESS CENTRAL TUBE CABLE
BRANCH OR DROP CABLE

6 78-8140-4883-7-A
6.0 Armored Main Cable Preparation
5.5” (140mm)
TRIM CSM ROD(S)
3.5”
(89mm)
LEAVE HALF OF CABLE SHEATH
W/METALLIC SHIELDING TO
ATTACH GROUNDING
MEASURE SHEATH OPENING
TO HERE
For Armored Cables Only
6.1 Install grounding kit onto tab of cable sheath
as shown.
3M™Internal Ground
Kit 6 AWG
3M™Internal Ground
Kit 14 AWG
6.2 Wrap sheath and ground terminal with tape to
protect fibers from sharp edges.
3M™Grounding Kits must be purchased separately:
ECAM-GND-6-AWG...........................80-6113-1702-7
ECAM-GND-14-AWG.........................80-6113-1704-3
4460-D ..................................................80-6104-1486-6

78-8140-4883-7-A 7
7.0 3M™Fiber Dome Closure FDC 08M Closure Opening & Closing
7.1 Lift dome off base by pulling down on latch.
Slide dome off of the base and set aside in
clean area.

7.2 Internal storage basket with hinged tray
support is now visible.
8.0 3M™Double Cable Entry Port ECAM-20 mm-D Preparation
8.1 Refer to instruction manual document # 78-8140-3820-0, double cable entry port
ECAM-20 mm-D for cable seal preparation included in kit.
9.0 3M™Cable Entry Port ECAM-12 mm Preparation
9.1 Refer to instruction manual document # 78-8135-6181-4, 12 mm ECAM cable entry port for cable seal
preparation included in kit.
9.2 For best performance, do not use ports 2 and 3.

8 78-8140-4883-7-A
10.0 Fiber Slack Storage
Loose Buffer Tube
10.1 Determine buffer tube or ribbon to be cut and
cut at appropriate end.
10.2 Remaining express fiber can be stored as
shown. Do not exceed minimum bend radius.
Ribbon
10.3 Using tie wraps secure the central tube in the
storage tray as shown
10.4 Cable tie per company procedure.
10.5 Armored Cables: Install ground wires by
loosening nut and sliding forked terminal
between washers. Position lugs so they will not
interfere with drop ports.

78-8140-4883-7-A 9
11.0 Loose Buffer Management and Splicing
11.1 Fiber slack can be stored in storage basket as
shown.
11.2 Mark buffer at desired location. Open all
buffer tubes at this dimension.
11.3 Starting with the lowest tray, route fibers
needed for splice to the splice tray.
11.4 Route and secure buffer tubing as shown.

10 78-8140-4883-7-A
11.5 Wrap end of buffer tube with a small piece of
3M™Scotchmate™Hook-and-Loop Reclosable
Fastener. Secure buffer tube with a tie wrap
when using 3M™Fiber Optic Splice Tray
2540. Re-close door.
12.0 Ribbon Management and Splicing
12.1 Store ribbon in storage tray.
12.2 Route and secure with tie wraps as needed.
13.0 Splice Tray Installation
13.1 Two types of hinged trays are available for the 3M™Fiber Dome Closure FDC 08M:
a) 3M™Fiber Optic Splice Tray 2539:
Capacity - 12 fusion splices
If using the 2539 tray, you will need
to purchase the 3M™LBT Fiber 2 mm
Transition Tube Kit 2518
b) 3M™Fiber Optic Splice Tray 2540:
Capacity – 12 fusion splices or 3 mass
fusion ribbon splices

78-8140-4883-7-A 11
3M™Fiber Optic Splice Tray 2539 Installation and Removal
13.2 Mount the 2539 tray into bracket by flexing
tray and snapping into holes in bracket. Install
with the tray facing up as shown.
13.3 Trays can be removed by inserting a flat
bladed screwdriver between the tray and the
mounting bracket. Twist the screwdriver to
remove tray from bracket.
3M™Fiber Optic Splice Tray 2540 Installation and Removal
13.4 You will need to remove the 2539 tray
adaptors in order to install 2540 trays.
13.5 Mount the splice tray into bracket by flexing
tray and snapping into holes in the bracket.

12 78-8140-4883-7-A
13.6 Trays can be removed by inserting a flat
bladed screwdriver between the tray and the
mounting bracket. Twist the screwdriver to
remove tray from bracket.
Tray Splicing with Buffer Tubes
13.7 Start with the lowest tray, route fibers needed
for splicing to the splice tray. Open hinged
door on tray and snap transition tubing into
3M™Fiber Optic Splice Tray 2539. Secure
transition tube with a tie wrap when using
3M™Fiber Optic Splice Tray 2540. Complete
splicing before adding the next tray. Re-close
door.
13.8 Place one wrap of 3M™Scotchmate™Hook-
and-Loop Reclosable Fastener around the
buffer tube approximately 0.25" (6 mm) from
the end of the buffer tube.
13.9 To finish, thread a tie wrap through the corners
of each tray and secure to tray basket. Cable tie
at corner

78-8140-4883-7-A 13
Tray Splicing with Ribbon in the 3M™Fiber Optic Splice Tray 2540
13.10 Start with the lowest tray, route fibers needed
for splicing to the splice tray. Open hinged
door on tray entryway and slide ribbon into
foam slot or place ribbon in a strip of tubing
and then re-close the hinge door. Complete
splicing before adding the next tray.
Re-close door.
13.11 To finish, thread a tie wrap through the corners
of each tray and secure to tray basket. Cable tie
at corner
Closing
13.12 Ensure both the dome seal area and base
O-ring is free of dirt or any damage. If needed,
clean area and apply a light film of supplied
silicone lubricant. Failure to maintain a clean
seal area may lead to leakage.
Note: Follow health, safety and environmental
information refer to product label or Material
Safety Data Sheet for silicone lubricant.
13.13 Clean and lubricate O-ring.
13.14 Replace dome and engage latch over dome ear
as shown.

13.15 Fully close latch to seat dome onto the base.
14.0 3M™Fiber Dome Closure Accessories
Product Number Stk Number Description
2520 80-6108-5927-6 Fibertube Transport Tubing, 1 ft. (305 mm) length
2520-3FT 80-6108-6110-8 Fibertube Transport Tubing, precut 3 ft. (914 mm) lengths
2518 80-6113-2634-1 LBT Fiber 2 mm Transition Tube Kit
2539-12-DF 80-6113-1715-9 Fiber Splice Tray 12 Discrete Fusion Splices Hinged
2540-12-DF/36-MF 80-6113-1716-7 Fiber Splcie Tray 12 Discrete/36 Mass Fusion Splices Hinged
FDST/FDC-08M-Aerial-SHB08 80-6113-3206-7 Aerial Strand Mount Hanger Bracket
FDST/FDT-08-Pole/PED-HB 80-6113-3205-9 Pole/Pedestal/Wall Mounting Kit
FDT-08-PED-CI 80-6113-1721-7 PED Mounting Bracket for 8" CHARLES IND PED
FDT-08-PED-CH 80-6113-1720-9 PED Mounting Bracket for 10" CHANNEL PED
FD-08-HH-1730 80-6113-1706-8 Handhole Mounting Bracket for 17 X 30
ECAM-GND-6-AWG 80-6113-1702-7 ECAM (18, 20, 27 mm) Cable Grnd (6 AWG)
ECAM-GND-14-AWG 80-6113-1704-3 ECAM Cable Grnd (14 AWG)
12 mm ECAM Cable Entry Port 80-6113-1696-1 Kit 12 mm ECAM (8)
3M and Scotchmate are trademarks of 3M Company.
Important Notice
All statements, technical information, and recommendations related to 3M’s products are based on information believed to be reliable,
but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for
your intended application.You assume all risks and liability associated with such use. Any statements related to the product which are not
contained in 3M’s current publications, or any contrary statements contained on your purchase order shall have no force or effect unless
expressly agreed upon, in writing, by an authorized officer of 3M.
Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and manufacture for a period of one (1) year from the time of purchase. 3M MAKES NO
OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
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 indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of the
legal theory asserted.
3
Communication Markets Division
3M Telecommunications
6801 River Place Blvd.
Austin, TX 78726-9000
1-800-426-8688
www.3MTelecommunications.com
Please Recycle. Printed in USA.
© 3M 2009. All Rights Reserved.
78-8140-4883-7-A