CORNING Eclipse 01U Manuale utente
p/n 009-222
Corning Cable Systems
SRP-009-222
Issue 3, April 2010
Page 1 of 5
Eclipse™ Coupler Shelf 01U - 02U
1. General
1.1 This instruction describes the installation
of the 01U and 02U Eclipse Coupler Shelf (ECS)
manufactured by Corning Cable Systems.
1.2 This document is being reissued to reflect new
hole configuration on the unit’s mounting brackets.
2. Description
2.1 The ECS is a fiber optic unit designed to house
couplers, splices, connectors, and fiber slack. The 01U
unit has 22 input/output ports and will fit in one rack
space on a standard utility rack. The 02U unit has 44
input/output ports and will fit in two rack spaces on a
standard utility rack (Figure 1).
2.2 Coupler shelf inputs and outputs can be pigtails
or adapters. When pigtails are specified, the standard
length is 3 meters (118 in.).
2.3 The unit is generally shipped completely
assembled to customer specifications. A label is
supplied that indicates the loss (in dBs) for each port.
2.4 The unit is designed to mount directly to a 19”
equipment rack. Use the 23” rack adapter brackets if
mounting to a 23” equipment rack.
Figure 1
02U
KPA-2556
KPA-2549
Table of Contents
1. General .........................................................1
2. Description ...................................................1
3. Precautions ...................................................2
4. Components .................................................2
5. Shelf Installation ..........................................3
6. Connector Access .........................................3
7. Jumper Routing ............................................3
8. Coupler Cassette Installation.......................3
9. Identification Label ......................................4
10. Connector Care............................................4
11. Specifications ................................................5
01U
Page 2 SRP-009-222 Issue 3
KPA-2548
WARNING: Never look directly into the end
of a fiber that may be carrying laser light. Laser
light may be invisible. Laser light can damage your eyes.
Viewing it directly does not cause pain. The iris of the eye
will not close involuntarily as when viewing a bright light.
Consequently, serious damage to the retina of the eye is
possible. Should accidental eye exposure to laser light be
suspected, arrange for an eye examination immediately.
WARNING: DO NOT use magnifiers in the
presence of laser radiation. Diffused laser light can cause
eye damage if focused with optical instruments. Should
accidental eye exposure to laser light be suspected, arrange
for an eye examination immediately.
WARNING: Cleaved glass fibers are very sharp and
can pierce the skin easily. Do not let cut pieces of fiber stick
to your clothing or drop in the work area where they can
cause injury later. Use tweezers to pick up cut or broken
pieces of the glass fibers and place them on a loop of tape
kept for that purpose alone. Good housekeeping is very
important.
3. Precautions
4. Components
Eclipse Coupler Shelf components
are shown in Figure 2. The SC
adapters shown can be replaced by
other fiber optic connector adapters
or pigtails. Also included are:
• Extra identification label
• 12-24 rack mounting screws (4)
• 12-24 threaded clips (4)
The wearing of safety glasses to protect the eyes from
accidental injury is strongly recommended when handling
chemicals and cutting fiber. Pieces of glass fiber are very
sharp and can damage the cornea easily.
NOTE: Fiber optic cable is sensitive to excessive pulling,
bending and crushing forces. Consult the cable specification
sheet for the cable you are installing. Do not bend cable
more sharply than the minimum recommended
bend radius. Do not apply more pulling force to the
cable than specified. Do not crush the cable or allow
it to kink. Doing so may cause damage that can alter the
transmission characteristics of the cable — the cable may
have to be replaced.
Connector Adapters
(SC shown)
Identification Label
Routing Trough Fiber
Retaining
Clip
19- to 23-inch
Adapter Plate
Sliding Bracket
Figure 2
Page 3
SRP-009-222Issue 3
5. Shelf Installation
5.1 Mount the ECS directly onto the equipment
rack. Use the 23” rack adapter brackets if mounting to
a 23” equipment rack (Figure 3). If using a rack which
is threaded for 12-24 screws, the threaded clips are not
required and may be discarded. If the rack is threaded
for screws other than 12-24 screws, use the screws
supplied with the rack.
Routing Guides
KPA-2552
KPA-2551
Attach for 23-in.
Rack Application
Figure 3
5.2 Determine the appropriate mounting position
for the unit and secure to frame using the proper
hardware. Ensure the unit is pushed back as far as the
sliding brackets will allow.
6. Connector Access
In some applications, the ECS must be extended
forward to provide access to the input/output adapters.
This is accomplished by gripping the jumper trough on
each side and firmly pulling the unit forward.
NOTE: Take care to avoid pulling or bending jumpers
when you pull the housing out to access connectors.
7. Jumper Routing
To ensure minimum bend radius, jumpers from the
outer four (4) I/O ports must be routed to the opposite
side of the unit (Figure 4). All other jumpers can be
routed in either direction.
Figure 4
8. Coupler Cassette Installation
Figure 5
8.1 Corning Cable Systems recommends that the
ECS be ordered fully configured before installing into a
rack. This keeps jumpers and internal fibers from being
disturbed.
8.2 If the coupler circuit must change, coupler
cassettes can be removed from and added to the unit by
the following (refer to Figure 5):
• Disconnect jumpers and remove them from external
routing guides to avoid damage when the unit is
removed from the rack.
• Remove the mounting screws and carefully slide the
unit out of the rack.
• Remove the top cover by removing the screws on
top of the unit.
• Add or remove the proper coupler cassette by
removing the knurled nut from the threaded stud.
Route and connect or remove and disconnect the
required pigtails within the unit.
• Reverse the previous steps to reassemble the unit.
Knurled Nut
Coupler
Cassettes
Page 4 SRP-009-222 Issue 3
9. Identification Label
10. Connector Care
Connectors are extremely delicate devices. Therefore
the following precautions should always be observed.
• At installation, use a clean tissue soaked in isopropyl
alcohol to gently clean the connectors at the end
of the jumper or pigtail. Clean all the areas of the
connector that will contact the connector sleeve.
• Do not press on connectors as you clean. Doing so
may scratch or crack the connector surface, making
it unusable.
• Carefully press the connector into its receptacle and
tighten. Do not overtighten. Doing so can damage
the connector surface.
• Do not allow the connector body (ferrule) to turn
as you screw it into place. Doing so will allow
the surfaces to grind against each other causing
scratches on the connector surface.
• The connector should fit into its receptacle easily. If
it binds, back it up. Do not force.
• Clean external components of installed connectors
at regular intervals as recommended by their
manufacturer.
KPA-2553
Figure 6
9.1 A label is provided to identify transmitter inputs
(Tx), node outputs, power levels (insertion loss), and
miscellaneous descriptions associated with each I/O
port (Figure 6).
9.2 To access the label card, pull up at the tab in the
center of the shelf. The card may be pulled completely
out of the unit to write information on the label
(Figure 6).
9.3 The “Loss (dB)” information is always included
and represents the measured insertion loss of each
port. All other information can be added as required.
Page 5
SRP-009-222Issue 3
11. Specifications
Corning Cable Systems reserves the right to improve, enhance, and
modify the features and specifications of Corning Cable Systems’ products
without prior notification.
All trademarks are property of their respective holders.
Corning Cable Systems is certified ISO 9001.
©1997, 2000, 2010 Corning Cable Systems LLC. All rights reserved.
Corning Cable Systems LLC
PO Box 489
Hickory, NC 28603-0489 USA
FAX: 828-327-5973
International: 828-327-5000
http://www.corning.com/cablesystems
Special Note: Fiber Optic Training Program
Corning Cable Systems offers comprehensive, integrated training programs.
Courses are structured for: telephony, CATV, LAN, Intelligent Transportation
Systems and Power Utilities.
For information on Engineering Services Training call: 800-743-2671.
Figure 8
KPA-2549
20.3 inches
3.92 inches
8.08 inches
20.3 inches
17.09 inches
17.09 inches
1.63 inches
4.40 inches
3.92 inches
8.06 inches
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