Earthquake Protection Procedures
Install Ground Plates on Cabinet
Backs
The ground plate provides the ground connection between cabinets, provides radio frequency (RF) radiation protection, and also stabilizes the cabinets.
Aground plate is required between each cabinet (see Figure
1.At the back of the cabinets, put in all the screws on the upper and lower panels, except for the screws that run along the top and bottom of each cabinet.
2.At the upper cabinet, place the top of the ground plate over the bottom of the
3.At the top of the cabinet below the cabinet referred to in Step 2, align the bottom of the ground plate with the top four holes in the upper back cover of the lower cabinet. Insert the four screws. Do not tighten the screws yet.
4.Repeat Steps 2 and 3 until the earthquake ground plates are installed between all cabinets.
5.Tighten all screws.
Install Front Plates
For earthquake protection and electromagnetic shielding (as required by CISPR 22 regulations), use the front plate instead of the cabinet clip to attach the cabinets to each other. Use one front plate between each cabinet. (Figure
Complete the following steps to install the front plates to the cabinet:
1.At the front of the cabinets, align the holes in the top of the earthquake front plate with the holes at the bottom of the upper cabinet, and insert the four screws. Do not tighten the screws yet.
2.At the front of the cabinets, align the holes in the bottom of the earthquake front plate with the holes at the top of the lower cabinet, and insert the four
3.Repeat Steps 1 and 2 until all the cabinets are fastened together with the earthquake front plate.
4.Tighten all screws.
