363-206-295
Circuit Pack Descriptions
7-76
Issue 1
December 1997
177B Apparatus Blank Description
7
Purpose of Apparatus Blank
7
The 177B apparatus blank (Figure 7-30) must be installed in all unused function unit
slots to ensure adequate cooling by controlling air flow through the shelf.
Figure 7-30. 177B Apparatus Blank
177B
x
x
x
x
x
S1:1
Lucent