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4.
Press the black ejector/injector latch inward, toward the middle until you hear a
click.
5.
Fasten the screws.
6.
In the EMS, verify that the Alarm
14.8
Replacing the Fan Tray Modules
Note:
14.8.1
Replacing the FM Fan Tray Module
The fan tray module (FM ) is located to the left of the chassis cage.
To remove a faulty FM fan tray module, take these 4 steps:
1.
In the EMS, verify that the FMR auxiliary fan tray module is rotating at maximum
speed (10500 - 12500 RPM). Refer to 'Checking the Fan Speeds' on page 126.
2.
Release the 2 screws on the top left-hand corner and the bottom left-hand corner
of the front panel of the fan tray module.
3.
Pull on the fan tray module's handle outward by 2 cm.
4.
Wait for the fans to stop rotating and then remove the fan tray completely.
To insert a replacement FM fan tray module, take these 5 steps:
1.
Insert the fan tray module into its slot, until the front panel is flush with the
chassis plate.
2.
Fasten the screws at both ends of the fan tray module.
3.
Verify that the fans are functioning correctly by putting your left hand over the grill
on the left side of the Avaya G860 Media Gateway chassis (when facing the front
cage), and your right hand over the grill on the right side. Your left hand should
feel a reasonably strong suction of the air drawn in by the fans. Your right hand
should feel the air blowing reasonably strongly out of the Avaya G860 Media
Gateway.
4.
Check the EMS indicators to verify that alarm (regarding the faulty fans) is now
cleared and that the Fan Tray Module is functioning properly.
5.
Check the EMS Fan Speed settings are within the accepted range. Refer to'
Checking the Fan Speeds' on page 126.
14.8.2
Replacing the FMR Auxiliary Fan Tray Module - 5000
The auxiliary fan tray module (FMR ) is located to the right of the chassis cage.
Be sure to prepare a replacement fan tray module (either FM or FMR )
before removing the faulty fan tray module. It is imperative the chassis
does NOT remain without the fan tray module for more than a short period
of time (60 sec).
14. Hardware Replacement Procedures
Issue 1 October 2007 155
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Troubleshooting
