Install and Connect SCC1 (Single-Carrier Cabinets)
Connect Time Division Multiplexing Bus Cables
SI Installation and Upgrades
391
June 2004
Install Rear Panels
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1
Install the rear panels and loosely thread each screw. See
Figure 125, Rear Panel Screw Locations,
on page 391.
2
For unstacked cabinets, tighten the screws securely.
For a stack of cabinets, allow the screws labeled callout 4 to remain loose. These screws are
tightened when the ground plates are installed.
3
Be sure the Time Division Multiplexing (TDM) bus cables and the Inter-Cabinet Cables (ICC) are
not pinched by the panels. Also be sure the cables are routed through the channels provided on the
rear panels.
Figure 125: Rear Panel Screw Locations
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Install Rear Ground Plates (Systems with Earthquake Protection)
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Ground plates are installed between stacked cabinets, provide the ground connection between cabinets,
provide radio frequency (RF) radiation protection, and help stabilize the cabinets.
1
Loosen the four screws at the bottom of the top cabinet and at the top of the cabinet underneath
the top cabinet. See
Figure 125, Rear Panel Screw Locations,
on page 391.
Figure notes
1
Cabinet in A Position (No Ground Plate is Installed on an
Unstacked Cabinet)
2
Rear Ground Plate (Attached Between Stacked Cabinets)
3
Cabinet in B Position
4
Screws to Loosen
2
1
3
4
4
grnd_plt CJL 030696