CHAPTER 3
Small Configuration
Installing the 23-Inch (SFD3) DCM Shelf
3-53
FLASHWAVE 7500 Release 6.1
Equipment Installation
Fujitsu and Fujitsu Customer Use Only
FNC-7500-0061-200
Issue 1, May 2009
3.11
Installing the 23-Inch (SFD3) DCM Shelf
The dispersion compensation module (DCM) shelf (FC9512SFD3) provides dispersion
compensation for dense wavelength division multiplexing (DWDM) signals entering the NE
and is installed only if required.
shows the 23-inch DCM shelf (SFD3) with two single-height DCM
units.
shows Issue 03 of the 23-inch DCM shelf (SFD3) with two
single-height DCM units. Issue 03 of the SFD3 DCM shelf supports DCM fiber diversity
mounting units, which allows the routing of fiber to either side of the shelf.
Figure 3-38: DCM Unit and 23-Inch SFD3 Shelf (Exploded View)
Note:
The shelf (SFD3) holds up to four DCM units. For
clarity, only two are shown.
Optical Output
Optical Input
DCM Shelf
Cover
Thumbscrews
Cover Removal/Replacement
Secondary Latch
DCM Unit (Two
Shown)
Unit Removal/Replacement
Retaining Clips on Shelf
(for Fiber Routing)
m1597f
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Revision 1, June 2009
Summary of Contents for FLASHWAVE 7500
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