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Installing the Control Unit
b. Label each telephone jack sequentially, 1 through 144. Begin
with the module in slot 1, numbering from bottom to top on each
module and working from left to right across the carrier.
CAUTION:
The 008 OPT module is assigned 12 Logical IDs, and
the last four numbers are not assigned to jacks. For
example, if the previous module (on the left) is labeled
with Logical IDs 1 through 8, label the 008 OPT jacks
with Logical IDs 9 through 16. Skip numbers
17 through 20.
When you label the next module (on the right), label the
first jack as Logical ID 21.
Removing a Module
Follow this procedure to remove a module:
1. Follow the procedure in the last section of this chapter, “Powering
Down the System.”
2. Push up firmly on the tab at the bottom rear of the module.
3. While holding up the tab, swing the bottom of the module toward you,
away from the carrier.
4. Lift up the module to disengage it from the rod on the top of the carrier.
Installing the Modules
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