1-11
Cisco ONS 15454 Reference Manual, R7.0
78-17191-01
Chapter 1 Shelf and Backplane Hardware
1.4 1.4.1 Lower Backplane Cover
Figure 1-9 Backplane Covers
1.4.1 Lower Backplane Cover
The lower section of the ONS 15454 backplane is covered by either a clear plastic protector
(15454-SA-ANSI) or a sheet metal cover (15454-SA-HD), which is held in place by five 6-32 x 1/2 inch
screws. Remove the lower backplane cover to access the alarm interface panel (AIP), alarm pin fields,
frame ground, and power terminals (Figure 1-10).
Figure 1-10 Removi ng the Lower Backplane Cover

BA

32074
Lower Backplane
Cover
Backplane Sheet Metal
Covers
32069
Retaining
screws