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 TM 9-6920-737-10
IOS POWER PANEL (Continued)
Key
Control or Indicator Function
CREW STATION
11
AUXILIARY EQUIPMENT
On/Off control and electrical overload
ON/OFF circuit breaker
protection for 120 volt ac power to Crew
Station DC Power Supplies (+5V, +IOV, -IOV
and +24V).
12
AC ON indicator
Lights orange when CREW STATION ON/OFF
circuit breaker (11) is on.
13
DC POWER SUPPLIES ON
Light green when +5V, +1OV, -10V, and +24V
PS I +5V
dc power supplies in Crew Station are on.
PS2 +10V
PS3 -10V
PS4 +24V
indicators
14
CFP/ISUW
ON/OFF Circuit Breaker
On/off control and electrical overload
protection for 120 volt ac power to
Commander's Forward Periscope and
Integrated Sight Unit Window.
15
AC ON indicator
Lights orange when CFP/ISUW ON/OFF
circuit breaker (14) is on.
16
SPECIAL PURPOSE COMPUTER
DC POWER SUPPLIES ON
PSI +5V, PS2 +5V
Light green when power supplies in Special
PS21 +5V, PS22 +5V
Special Purpose Computer are on.
A4PSI +15V, A4PS2 -15V
Indicators
2-26
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