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SX540
SA16X
SX554
SX554
SB522
SX540
SX542
SX541
DSTC
SX554
SA16X
TC520
SB511
DSSS
SA1XX
SA16X
DSSS 170
RC527
SA16X
452/454
171
I/O subrack 1
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Mains
ains
Mains
SA1XX (I/O 4 o 5)/Field equipm.
SA16X (I/O 2 o 3)
SA1XX Field equipm.
Heat exchanger
DSTC 452/454
24V A
24V B
24V
Alt.
SB510
24V A
24V B
24V A
24V B
24V A
24V B
24V A
24V B
24V A
24V B
170
DSSR
Voting Unit
Regulators
Power supply for
Diagnostics
at redundancy
24V A
24V B
24V A
24V B
SA1XX (I/O 4 o 5) / Field equipment
SA16X (I/O 2 o 3)
LIVE Test
LIVE Test
Rw
Pw
Tw
F
2V
5V
BF
F
IP
FC
BP
Run
P
Rx
Tx
A
B
B
A
Fail
Fail
Live
A
B
PBC
24V
Fail
Live
Diagnostics
Diagnostics
B
A
SR511
Modem subrack
2V 5V 24V 0V
Supervision
Power supply
Power switch
Controller subrack
24V distr.
I/O subrack 3
I/O subrack 2
Power supply for I/O rack
Fan unit
Power distr.
Power switch
Power supply
24V distr.
24V A
24V B
MFb modem
Power distr.
Exp.
Regulator A(B)
Backup power
supply B(A)
Battery B(A)
TC512
SX554
SX554
SX554
SA1XX
Diode Unit
A
A
B
B
24V
field equipment
Alt.
Optical
Bus Ext.
A
C
B
and distribution
and distribution
24
24
vA
VB
24V
24V
24V
x2
x2
x2
x2
x2
x2
LIVE
Tes t
LIVE Test
LIVE Test
LIVE
Tes t
TC515V2
TC514V2
TC562
24V A
24V B
P
Rx
Tx
TC630
TC513
TC516
AF 100 and short distance modems