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Table 4-3
Pin assignment (fan alarm cable)
(continued)
Point on connector
Signal name
Description
5
MDO3_LED
Cathode for MDO 3 LED
6
FAFAIL_C
FAFAIL connection to common point of
fan failure relay
7
FAFAIL_C
FAFAIL return connection to normally
closed contact of fan failure relay (opens
in case of failure)
8
LED_COMMO
LED anodes
9
MDO4_LED
Cathode for MDO 4 LED
Cable connection
Please connect the fan alarm cable as shown in the figure below:
Figure 4-7 Fan alarm cable
System cabling
External cable installation
Fan alarm and LED interface
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365-313-103R8.0
Issue 2
July 2009
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
4-9