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Installing Expansion (Data and Voice) Modules Passport 4400 Hardware Installation Module
6-7
Figure 6-7. Location of Front Flanges and Mounting Screws
6. Refer to Section 10, “Power Supplies,” to verify that the correct number of
power supplies are configured for the number of modules used in the unit.
7. Strap the module, (refer to the section for the individual module).
• Section 7, “Data Modules”
• Section 8, “Analog Voice Modules”
• Section 9, “T1/E1 and Digital Voice Modules.”
8. Set the module switch set using the instructions in “Module Stacking
Order” on page 6-2.
9. Place a spacer between the previous module and the module to be installed.
10. Place the module on the spacer in front and on the previous module’s back
panel in the back. The back panel goes on the outside of the chassis.
11. Connect the stacking connector. Press down so that they mate completely.
12. Align the two holes on the module back with the two holes on the back of
the chassis. Using screws, join the back panel to the chassis.
13. Continue to stack modules using steps 7-12 until all modules have been
installed.
14. Ensure that any blank module locations contain blank back panels.
15. Close the unit by replacing the cover.
Mounting
Screw (4)
Front Flanges