PairGain 150-1143-42, Руководство пользователя

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150-451-142-04, Revision 04 Functional Description
HDU-451 List 4B October 8, 1998 5
For example, if slots 1 and 2 or 3 and 4 are used in the HRE-454, instead of
slots 2 and 4, then use the deployment rules that apply when slots 1, 2, and 4
are occupied. All of the applications in
Table 2 and Table 3 that exceed 115ºF
meet the requirements of Section 10.2.1.3 of TA-NWT-001210. This Section
requires that HDSL equipment deployed in outside enclosures shall operate
in a temperature, ambient outside the housing, of -40ºF with no solar load, to
+115ºF with maximum solar load and maximum power dissipation.
The doubler may also be enclosed in the PairGain single-slot HRE-450
outdoor enclosure. Its thermal limits are also shown in
Table 2 .
Figure 2. HDU-451 Block Diagram.