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APPENDIX C: System Additions or Changes
Add Cabinet
Add a cabinet if all the slots in the existing cabinets are full and you need to
add a CP. Also, if the addition of a CP to a cabinet will cause the unit load to
exceed 80, a cabinet must be added. The system can support a maximum of
three cabinets.
Perform this task outside normal business
interfering with normal business operations.
Caution:
1.
2.
3.
4.
5.
Make
Stack
Service is interrupted when
hours, if possible, to avoid
the TDM Bus cable is
connected to working cabinets.
sure that the new cabinet power switch is in the OFF position.
the new cabinet on top of the existing cabinet(s).
Remove the front and upper back covers.
Label the connectors on the bottom back cover following the
instructions under “Install System Cabinets” in Section 2.
On the backplane near the center, note an “address plug” installed
in one of the positions marked 1
-3 on a black address connector.
This indicates the cabinet number. If it is not in the correct position,
pull it out and insert it in the correct position. (The new cabinet will
be either Cabinet 2 or 3.) Take care to avoid bending the pins on the
backplane.
C-8