3M ECAM-27MM-D Manual de usuario
July 2011
78-8140-2401-0-B
3M™Double Cable Entry Port
ECAM-27MM-D
3M™Double Cable Entry Port
ECAM-27MM-ACT
Instructions
3
278-8140-2401-0-B
1.0 General
The 3M™Double Cable Entry Port ECAM-27MM-D is designed to accept fiber optic loose buffer tube & central
tube ribbon type cables with external diameters of up to 27-mm /1.06". The kit will accommodate cables with
single or dual cable strength members (CSM).
2.0 Kit Contents
2.1 Metallic Version
A
B
L
C
O
J
E
H
K
I
D
G
F
N
M
P
A. Mastic tape rolls (2)
B. Oval gasket
C. Sheath scuff
D. Silicone lubricant
E. Cable clamp shells (4 sets)
F. Vinyl caps (2)
G. Alcohol wipe
H. Cable clamp w/3 mtg. Screws
I. Washers set (1 set shown) (4 sets)
J. Cable ties
K. Cable gauge decal
L. Mastic rope
M. Housing bottom half
N. Housing top half w/3 mtg. Screws
O. Strength member clamps (2)
P. Cable Strength Member (CSM) bracket
(riveted to housing bottom)
Instruction manual 78-8140-2401-0-B (not shown)
3
78-8140-2401-0-B
2.2 Non-metallic Version
A
B
K
C
O
I
E
G
J
H
DF
ML
N
A. Mastic tape rolls (2)
B. Oval gasket
C. Sheath scuff
D. Silicone lubricant
E. Cable clamp shells (4 sets)
F. Alcohol wipe
G. Ground wire (4)
H. Washers set (1 set shown) (4 sets)
I. Cable ties
J. Cable gauge decal
K. Mastic rope
L. Housing bottom half
M. Housing top half w/3 mtg. Screws
N. 3M™Scotchlok™Shield Bond Connector 4460-D/FO-SS
loose parts kit
O. Instruction manuals
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.
478-8140-2401-0-B
3.0 Dielectric Main Cable Preparation
96" MAX (2.4 m)
SHEATH REMOVED
TYPICAL CABLE PREP
FOR EXPRESS BUFFER
TUBE CABLE
6"(150 mm)
TRIM SINGLE O
R
DUAL CSM RODS
3" (75 mm)
SCUFF SHEATH
ON ALL CABLES
96" MAX (2.4 m)
SHEATH REMOVED
TYPICAL CABLE PREP
FOR EXPRESS
CENTRAL TUBE CABLE
6" (150 mm)
TRIM SINGLE O
R
DUAL CSM RODS
8" (200 mm)
CENTRAL TUBE
72" (1.8 m)
SHEATH REMOVED
TYPICAL CENTRAL TUBE
CABLE PREP
6" (150 mm)
TRIM SINGLE O
R
DUAL CSM RODS
8" (200 mm)
CENTRAL TUBE
TRIMMED
EXPRESS LOOSE BUFFER TUBE CABLE
EXPRESS CENTRAL TUBE CABLE
BRANCH OR DROP CABLE
Armored Cable Central Strength Member
6" (150 mm)
TRIM CSM ROD(S)
4" (100 mm)
LEAVE HALF OF CABLE SHEATH
W/METALLIC SHIELDING TO
ATTACH GROUNDING
MEASURE SHEATH OPENING
TO HERE
Otherwise same as dielectric cable preparation.
Armored Central Tube Cable with Dual Strength Members
4 1/4" (108 mm)
LEAVE HALF OF CABLE SHEATH
W/METALLIC SHIELDING TO
ATTACH GROUNDING
4 1/4" (108 mm)
CENTRAL TUBE TRIMMED
6" (150 mm)
TRIM CSM ROD(S)
72" (1.8 m)
SHEATH REMOVED
5
78-8140-2401-0-B
4.0 For Armored Cables Only
4.1 The following two grounding kits are available:
3M™Internal Ground Kit
ECAM-GND-6-AWG
80-6113-1702-7
3M™Internal Ground Kit
ECAM-GND-14-AWG
80-6113-1704-3
4.2 Prepare cable as describe in the previous
armored cable prep section Wrap the sheath
with Scotch®All Weather Telephone Vinyl
Plastic Tape 88T or equivalent to protect fiber
from the sharp cable sheath edges. Do not wrap
the last inch (25 mm) of the cable sheath.
4.3 Prepare the closure base by locating the ground
studs inside the closure base. Loosen the upper
nut 3 to 4 turns on the ground stud using a 1/2
inch (13mm) nut driver. It is not necessary to
remove the small vinyl caps.
4.4 Place the forked end of the ground wire between
the pair of washers. Re-torque the ground stud
nut to 30 in-lbs.
678-8140-2401-0-B
4.5 Position and route grounds to minimize
interference with cables ports and splicing.
Cable end ground connections are made after
the cables are installed in the base.
Note: The installation and removal of the ECAM
27MM-D is the same for both the metallic and
the non-metallic versions. For demonstration
purposes, the metallic version will be used
throughout the instruction manual.
5.0 3M™Double Cable Assembly ECAM 27MM-D Removal
5.1 Using a 3/8 inch (10 mm) nut driver loosen the
clamp screws on the external cable assembly
module (ECAM). Pull clamps outward and
rotate as shown. Lightly re-tighten screw to
hold clamps in place.
5.2 Loosen the three screws and separate the top and
bottom halves of the 27-mm ECAM double cable
assembly using a 3/8 inch (10 mm) nut driver.
5.3 Loosen the three screws to remove the cable
clamp from the bottom half of the of the 27-mm
ECAM double cable assembly using a 3/8 inch
(10 mm) nut driver. Keep the longer center screw
located in the center position.
7
78-8140-2401-0-B
6.0 Cable Gauge Decal
Use the supplied cable gauge to determine the proper
cable clamp shells, washers and correct amount of
mastic needed to build a sealing collar.
6.1 Place the cable gauge decal on the cable as shown below. Be sure to place decal in-line with the cable.
Correct Incorrect
6.2 Read between the arrows on the decal to
determine the amount of mastic, clamp shells
and washer needed to properly assemble
the 3M™Double Cable Entry Port ECAM-
27MM-D. This information can be recorded in
the log at the bottom of this page.
Note: If the arrows on the decal point at the line
between two different sizes, use what is listed in
the box below the line. Also note that no clamp
shells are required if gauge indicates ‘NONE’ in
the shell column.
Note: If two differently-sized cables are used repeat this
procedure for the second cable and record this
information in the Cable 2 section of the log. LOG Mastic Cut
Length
Cable Clamp
Shells Washers
Cable 1
Cable 2
Note: To plug an unused port in the 27-mm Double ECAM assembly, use 14.0 inches (356 mm) of mastic rolled
into a cylinder.
878-8140-2401-0-B
7.0 Cable Clamp Shell Selection
7.1 Locate clamp shells on the clamp shell tree.
Note that each clamp shell is numbered.
Remove the required clamp shell sets from part
tree. Make two sets of clamp shells for each
cable.
7.2 If multiple shells are required for a specific
cable size, locate these and assemble into sets.
7.3 Note the orientation of pin and socket and
assemble as shown.
7.4 Assemble clamp shell(s) into the cable clamp.
Note the orientation of pin and socket and
assemble accordingly.
9
78-8140-2401-0-B
7.5 Assemble clamp shell(s) onto bottom half of
cable housing. Note the orientation of pin and
socket and assemble accordingly.
Note: Differently-sized cables may require differently-
sized clamps. Ensure that the correct clamp sets
matches the cable when assembling in bottom
housing and cable clamp.
8.0 Cable Seal Installation
8.1 First thoroughly clean the cable sheath using an
alcohol wipe. Make sure cable sheath is free of
any grease or dirt.
Note: Carefully follow health, safety and environmental
instructions as given on Material Safety Data
Sheet for the alcohol wipe.
Scuff the first 3" of each cable sheath using
the supplied sheath scuff. Ensure the cable is
completely scuffed around the perimeter of the
cable.
Hint: Scuffing is easier if you tear the sheath scuff in
narrow strips along the length of the strip.
Washer Selection
8.2 Locate and remove two washers on parts trees for each cable (four washers total). Note that washer
sizes are on washer as shown. Note that inches are on one side of the washer and millimeters are on the
other side.
Note: See chart in section 6.2 for required washer.
10 78-8140-2401-0-B
Mastic Collar Build
8.3 Mark cables approximately .25 inches (6 mm)
from the end of sheath. This is to locate the
mastic collar.
8.4 Washers can be split along notch for installation
over the cable.
8.5 Install two washers on each cable near sheath
end as shown.
8.6 Unroll mastic and measure out the required
amount. Repeat for second cable.
Note: See chart in section 6.2 for required mastic
length.
Note: Warm mastic before use if temperature is below
50°F (10°C).
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