I
NSTALLING
B
OARDS
AND
C
ABLING
43
21/1531-ASP11301 Uen B3 2016-02-17
Figure 34: ALU2 - MDF connections
5.1 FAN
UNIT
ALARM
5.1.1
FAN BFD 509 08/4
Connect the fan alarm cable TSR902 0274/2200 to the D-sub connector on the Fan,
and connect the other end to the MDF; see Figure 35: MDF Alarms for the Fan Unit
BFD 509 08/4 on page 44.
Connect the Plug, SXK 106 2097/1 in the second D-sub connector on the Fan, to
receive a signal loop.
8 Alarm inputs
MDF
Pair 1
2
3
4
6
7
8
9
AL7
AL6
AL5
AL4
AL0
AL1
AL2
AL3
TSR 491 0306
ALU2
Pair 1
2
3
4
6
7
8
9
AL23
AL22
AL21
AL20
AL16
AL17
AL18
AL19
8 Alarm outputs
TSR 491 0306
X11
X10