TM 11-6660-266-13
Table 2-4. Power Supply Unit Operating Controls and Indicators
Index
Function
No.
Nomenclature
10 A circuit breaker provides overload protection of PSU AC
AC PWR Circuit Breaker
1
power circuits. Normally left in ON position, toggle up, and
should NOT be used for power control.
Yellow LED illuminates when AC PWR circuit breaker is in
AC INPUT POWER Indicator
2
ON position.
10 A circuit breaker provides overload protection of PSU DC
DC PWR Circuit Breaker
3
power circuits. Normally left in ON position, toggle up, and
should NOT be used for power control.
Yellow LED illuminates when DC PWR circuit breaker is in
DC INPUT POWER Indicator
4
ON position.
Double throw, center off toggle switch controls output power
PROCESSOR Power Select
5
to the MARWIN Processor and DCT. AC ON position applies
Switch
AC power to AC output connector and DC power to DCT
output connector. DC ON position applies DC power to DC
and DCT output connectors.
Green LED illuminates whenever PROCESSOR power
PROCESSOR Indicator
6
switch is in AC ON or DC ON position indicating power is
present at DCT power output connector and either AC or DC
power output connector.
Applies or removes AC power to RDF output connector.
RDF Power AC ON/OFF Switch
7
NOTE: The RDF operates from AC power only.
Green LED illuminates whenever RDF power switch is in ON
RDF Indicator
6
position indicating power is present at RDF power output
connector.
Provides for connection of 120 VAC output power to 24 VDC
RDF Connector
9
Power Supply.
Provides for connection of 26 VDC output power to MARWIN
DC Connector
10
Processor.
Provides for connection of 120 VAC output power to
AC Connector
11
MARWIN Processor.
Provides for connection of 8 VDC output power to DCT.
DCT Connector
12
Provides for connection of primary 28 VDC input power.
DC IN Connector
13
Provides for connection of primary 120 VAC input power.
AC IN Connector
14
2-13
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