3M FDC 08M Manuel utilisateur
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
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