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Telect, Inc. • USA +1.509.926.6000 • Mexico +1.52.33.3836.3700
Poland +1.48.713.239.100 • UK +1.44.1489.889500 • www.telect.com
Copyright © 2002 Telect, Inc., All Rights Reserved
Page 1-3
.MDC-CB WITHOUT REAR COMPARTMENT SPLICING
Cabling without in-cabinet splicing involves an aerial or below-ground splice box for splicing the distribution and feeder cables to
connectorized cabinet cabling.
• At the cabinet, the OSP distribution cable is clamped at the floor of the rear compartment and then routed along the cabi-
net’s compartment partition. The connectorized 250 µm strands break out here into subunits/buffers and then connected to
one of the six possible, 72-channel Patch Modules. Each patch module contains SC/APC adapters to interface the distribu-
tion fiber in the rear compartment to the cross connections in the front compartment.
• Feeder cable is anchored along the rear side wall where 900 µm fiber breaks out into subunits/buffers and routed to 16
SC/APC interface adapters near the top of the cabinet.
Each SC/APC adapter at the top of the cabinet serves to feed the fiber signal to a blue jumper in the front compartment, shown in the
preceding illustration. The blue jumper is routed down through the right portion of the front compartment, then around a couple of
spools and an arc. The two spools at the bottom route the blue fiber to a Telect Splitter Module.
Up to 18, 1x4, 1x8, 1x16, or 1x32 Telect Splitter Modules can be installed in the splitter bulkhead at the bottom of the front compart-
ment. Each splitter module consists of the splitter, one blue “input” jumper, and either 4, 8, 16, or 32 yellow “output” jumpers. All are
2 mm jumpers, 2.1 m in length.
Splitter module installation and all of the distribution changes occur in this front compartment:
• Unassigned jumpers are routed via spools and arcs to a parking station for later subscriber assignment.
• Assigned jumpers are routed via the spools and arcs to the front of the SC/APC adapters in the front of the patch modules
for cross connection to the distribution fiber connected to the rear of the patch modules.
Front View With Door Open
*
Feeders
Assigned
Distribution
to Subscriber
Unassigned
Distribution
(Parking)
Splitter
Bulkhead
2 mm Jumpers
Splitter Module
OSP
Distribution
Cable
OSP Feeder
Cable
Subunit/Buffer
From Feeder
Cable Breakout
to Rear-Side
Feeder
Adapters
Fiber Furcated
From Multifiber
Buffer to
900-
µm Single
Fiber Loose
Tubing
Rear View With Door Open
*
* Splitter and Patch Modules are sold separately.