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ADCP-75-169 • Issue 1 • June 2004
Page 6
© 2004, ADC Telecommunications, Inc.
Figure 4. Expansion Panel
3.2 Wavelength Division Multiplexer System
The Wavelength Division Multiplexer (WDM) system is an accessory product that is used when
it is desirable or necessary to combine the forward and reverse path optical signals from one
Digivance system onto a single optical fiber. Each WDM system consists of a host module and a
remote module. The HU provides a mounting slot for installing a WDM host module. Both the
RU outdoor cabinet the RU indoor mounting shelf provide a mounting slot for installing a
WDM remote module.
Each WDM module consists of a bi-directional wavelength division multiplexer mounted
within a power-paint coated sheet metal enclosure. A straight SC-type optical connector port is
provided for connecting the forward/reverse path optical fiber to the WDM module. A pair of
pigtail leads with SC-type connectors are provided for connecting the WDM module to the
forward and reverse path optical ports on the HU or STM. The WDM host/remote module is
shown in Figure 5.
Figure 5. WDM Host/Remote Module
18824-A
17013-A