Chapter 6 221
Replacement Procedure
Imix, Attenuator and Distributor Module Replacement (IMX, ATT and A4)
6. Replacement Procedure
Replacement Procedure
Step 1. Replace the switch by inverse procedure of removal.
NOTE Fasten the semi rigid cables using a torque wrench or torque driver set for replacement.
2) 4-Ports Options
Tools Required
• TORX screwdriver, T10
• Open-end wrench, 5/8 inch
• Open-end torque wrench, 5/16 inch or 8mm (set to 1.08 N-m / 9.5 lb-in) (for
reconnecting SMA connector)
• Torque driver set, 5/16 inch (set to 1.08 N-m / 9.5 lb-in) (for reconnecting SMA
connector)
Removal Procedure
Refer to Figure 6-28 for this procedure.
Step 1. Remove the outer cover as described in “Outer Cover Removal” on page 167.
Step 2. Remove the following assemblies.
• Front Panel Assembly (refer to “Front Panel Removal” on page 168.)
• Removable Hard Disk Assembly (refer to “Removable Hard Disk Assembly Removal
(Obsolete)” on page 169.)
• Disconnect all semi-rigid cables.
Step 3. Disconnect the four semi-rigid cables (item 1).
Step 4. Disconnect the four semi-rigid cables (item 2).
Step 5. Remove three TORX T10 screws (item 3) fastening the plate.
Step 6. Lift the Imix module.
Step 7. Remove two TORX T10 screws (item 4) fastening the distributor module to the plate.
Step 8. Lift the distributor module.
Step 9. Remove four TORX T10 screws (item 5) fastening the guard.
Step 10. Lift the guard from the distributor module (item 6).
Step 11. Disconnect the five semi-rigid cables (item 7).
Step 12. Remove the four TORX T10 screws (item 8) fastening the plate.
Step 13. Remove the four TORX T10 screws (item 9) fastening the plate.
Step 14. Lift the plate (item 10).
Step 15. Remove the four TORX T10 screws (item 11) fastening the attenuator module.
Step 16. Lift the attenuator module (item 12).
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