Installation
99
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
To install the additional fan proceed as follows:
1. Shut down the application server (see "Display and control panel of the call
manager", page 240) and disconnect it from the power supply.
Warning
Be sure to observe the "Safety regulations", page 95.
2. Remove the upper rear housing cover.
3. Remove the 4 rubber covers from the holes in the back panel of the communica-
tions server provided for mounting the additional fan.
4. Use the 4 enclosed screws to fit the fastening frame complete with additional
fan to the back panel of the communications server (see Fig. 19).
5. Plug the fan connector into the connector marked "FAN2" on the internal power
supply unit.
6. Fit the upper rear housing cover.
7. Reconnect the communication server to the power supply.
Fig. 19 Fitting the additional fan in Aastra 470
FAN 2
FAN 1
Fastening frame
Standard fan
Redundant fan unit
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