User's Manual

SBS
-
900 Shore
Ba
Ba
sed
Radar Systems
Chapter
10
10
:
Corrective maintenance
KH
KH
-
1602 2
issue 1
:
Standard SBS900 Systems Operator & Maintenance Handbook
Page
190
of
240
Dual redundant PSU layout
10.8.7.1
Power indication
: FCL$& NMUCPGQ?NNJGCBRMRFCNMUCPQSNNJWRFCDMJJMUGLE/( ' fQUGJJGJJSK GL?RCML@MRF
the power
supply
and
on
the backplane:
* $# WJFE.0 2
# " GFN<I* $# WJFE9 8 : BGC8 E<
PSU B
PSU
A
AC input
from
PL2/ MCB1
AC input
from
PL3/ MCB2
Amber LED
(Within PSU casework)
AC input OK
Green
LED
(Within PSU casework)
+24VDC OK
Green
LED
(
On external PCB
)
All power share rails OK
DC power LEDs
Located on backplane
next to the PSU
D6 = +1.2VDC OK
D7 = +1.5VDC OK
D8 =
+3.3VDC OK
D9 =
-
5VDC OK
D1 Flashing @ 1Hz
(green) = processor
running