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Installing MX-ONE
7.4
Fan Unit Alarm
Connect the fan alarm using cable TSR 482 0211/20M to the MDF, see Page
132. and connect the ALU2 board to the MDF according to the cabling list for
the site. For an example of connection to the ALU2 board, see Page 132.
Figure 108
The Fan unit has the following alarm indicators:
•
•
132
MDF Alarms for the Fan Unit
Green LED
The green LED is lit when there is input power at Connector 1 or Connector
2. The LED is blinking in the dual feed mode if one of the -48 V supply
voltages is missing. Otherwise the LED is dark.
Red LED
6/1531-ASP 113 01 Uen J2 2008-07-17
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