1264C User Manual
Understanding The 1264C 4-2
Racal Instruments © 1998
The Power Fail signal is routed from PS1 to the monitor board
(405141-J2) and used to generate the VME signals ACFAIL* and
SYSRESET*. These signals are then routed to the backplane
through the 14-pin ribbon cable (405141-J1 to 405130-J50).
Figure 4-1, Functional Block Diagram For 1264C Mainframe
Fan Mounting Enclosure (456653)
Power Supply Asembly (407645)
14 P
in R
ibbon C
able
J400 / F400
AC Inlet &
Fuse
F1 Fan
S100 AC Mains
Switch
PS1 P/S
MONITOR (405141)
VXI VOL
T
A
GES
DC
Vo
lt
ag
es
Backplane (405130)
PO
WER
F
A
IL
, R
E
MO
T
E
SEN
SE
S
w
it
c
h
e
d
AC L
INE
, NE
UT
RAL
AC NE
UT
RAL
, F
u
s
e
d
AC L
INE
A
C
F
A
IL
*, SYSR
ESET
*, R
E
M
O
T
E
SEN
SE
TE
M
P
SEN
SOR
VOLTAGE MONITOR LED's
TEMP LED
FAN LED
J300
P300
J301
P301
P50
J1
PS1-PF
PS1-RS
P2
J2
E1 TO E14
J50
PS1-
T
B1
P1 (SLOT 0-5)
P2 (SLOT 0-5)
Rear Panel (456647)
Summary of Contents for 1264C
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