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System cabling
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Figure 4-5 Fan power cable
to/from BDFB or PDP (-48 V)
Fan alarm and LED interface
Purpose
An external alarm equipment can be connected to this interface.
Connector data
The fan alarm and LED connector which is located on the fan unit is a 9-pin SUB-D male
connector. The alarm contacts can withstand a maximum voltage of 72 VDC and a
maximum current of 0.5 A. The operating LED voltage is in the range of 36...60 VDC.
Figure 4-6 Fan alarm and LED connector
1
6
Table 4-3
Point on connector
...................................................................................................................................................................................................................................
4-8
5
9
Pin assignment (fan alarm cable)
Signal name
1
FA FAIL_C
2
FA FAIL_ O
3
MDO1_LED
4
MDO2_LED
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
External cable installation
Description
FA FAIL connection to common point of
fan failure relay
FA FAIL return connection to normally
open contact of fan failure relay (closes in
case of failure)
Cathode for MDO 1 LED
Cathode for MDO 2 LED
Fan power interface
365-313-103R8.0
Issue 2 July 2009
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