Powerwave Technologies Inc. MCPS2000 Manuale Utente
Module Service
MCPS2000 Operations Manual
Spectrian Proprietary -- See notice on first page
24
4.3.3
Replacing shelf subassembly
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Caution: Turn off the DC voltage and RF power prior to replacing a MCPS2000.
Remove all DC and RF connectors prior to removing the MCPS2000 from the
rack.
Remove all DC and RF connectors prior to removing the MCPS2000 from the
rack.
1. Remove the RF Modules’ front panel retaining screws.
2. Remove the RF modules from the rack.
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WARNING: The RF Module is very heavy (20kgs / 44 lbs.) Get assistance if
necessary.
necessary.
3. Set each RF Module aside in a clean, safe place, free of electrostatic charges.
4. Remove the rack retaining screws. Grasp the front panel with both hands and
pull the MCPS2000 straight out from the rack.
5. Set the disconnected MCPS2000 aside in a clean, safe place, free of electrostatic
charges.
6. Remove the replacement MCPS2000 from its static-protective packaging.
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Note: You may wish to record the serial number on your repair record before
installing the module.
installing the module.
7. Follow the installation and operation instructions in Chapter 2 to place the unit
back in service.
4.4 Module
Service
4.4.1
Replacing MCPS2000 Fan Modules
8. Remove the RF module with the failed fan from the rack. Note that thse
modules are heavy (20kgs / 44 lbs each).
9. Place the RF module on a clean, static-free work surface.
10. Remove the screws securing the fan module to the RF module.
11. Disconnect the wiring harness from the fan module.
12. Connect the harness to the new fan module.
13. Replace the fan module and replace the attachment screws.
Replace the RF module in the rack. The unit will automatically enable; the FAN
indicator LED should be GREEN.
indicator LED should be GREEN.