Related Manuals for ADC HiGain HDU-404 LIST 2
Summary of Contents for ADC HiGain HDU-404 LIST 2
- Page 1 HiGain HiGain UICK NSTALLATION HiGain DOUBLER HDU-404 L OUBLER...
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Page 2: Specifications
HDU-404 L ® The HiGain HDU-404 List 2 is a low-power micro doubler unit that extends the range of a HiGain repeaterless T1 transmission system. The doubler units are installed between any doubler-compatible HiGain Line Unit (HLU) and a HiGain Doubler Unit (HDU) or HiGain Remote Unit (HRU). -
Page 3: You Begin
EFORE EGIN Verify that you are installing the HDU-404 List 2 with the following compatible HiGain outdoor enclosures: • HRE-450 List 5, single-slot • HRE-423, 3-slot • HRE-454, 4-slot Verify that you are installing the HDU-404 List 2 with compatible line and remote circuit modules (see Table 1 inside). - Page 5 OUBLER PPLICATIONS The HDU-404 List 2 can be used in two- to five-span circuits, depending on the HLU model and the power option (line or local) of the compatible HRU. Table 1 lists the maximum number of doublers that can be deployed. Table 1.
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Page 6: Installation
OUBLER EPLOYMENT Sealed multislot outdoor enclosures restrict the rate of heat transfer to the outside air. This restriction may result in excessive heat buildup. Table 2 shows the number and location of occupied slots that can be reliably housed in either the HRE-423, HRE-450, or HRE-454 enclosure as a function of solar exposure and maximum ambient temperature. - Page 7 © 2002 ADC DSL Systems, Inc. All rights reserved. Information contained in this document is company private to ADC DSL Systems, Inc., and shall not be modified, used, copied, reproduced or disclosed in whole or in part without the written consent of ADC.