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AT&T 555-230-894 User Manual

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Install Ground Plates
Issue 1  September 1995 
4-31
See Figure 4-22 and Figure 4-23 for illustrations of the ground plate and cable 
clamp positions.
Install Ground Plates on Systems with
Earthquake Protection
Refer to Ap pendix B for earthquake protection procedures.
Install Ground Plates on Systems without
Earthquake Protection
A ground plate is required to connect each cabinet together (see the following 
figures). To install the ground plate, complete the following steps:
1. At the back of the cabinets, replace the upper and lower panels (allowing 
the screws labelled with callout 4 to remain loose). See Figure 4-21.
Figure 4-21.
Back Panel Screw Locations
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1. Cabinet in A position
2. Ground plate to attach between cabinets
3. Cabinet in B position
4. Screws to loosen
Figure Notes: