Cisco 8000 Series - Install a Key Expansion Module on 8851, 8861, and 8865 Phones

Prepare Your Location
This section illustrates how the building that houses the chassis must be properly grounded to the earth ground.
Unless specified otherwise, the image is only for representational purposes. The rack's actual appearance and
size may vary.
Note
Figure 1: Building with Rack Room Connected to Earth Ground
Prepare for Installation
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Prepare for Installation
Prepare Your Location