ALCS Flashcards
What is the function of the ALCS?
To act as a secure, alternative control center for the selective programming and launch of the Minuteman and Peacekeeper ICBM force.
The ALCS processor is located in..
The ALCS bay of the C1 cabinet
The ALCS processor power requirements are..
115VAC 400Hz PROC C/B E42-2
The ALCS processor function is to provide
Overall control of all ALCS functions in response to direct operator input.
What is the location of the MSD/L and PSU?
C1 Cabinet
What is the power requirement for the MSD/L and PSU?
115VAC 400Hz MSD/L C/B E42-2
What is the function of the MSD/L and PSU?
To receive commands from the ALCS controller and read and transmit data from the PSU to the ALCS controller.
What is the location of the MFS (Multifunction Selector)?
Two are on the right-hand Battlestaff
What are the power requirement for the MFS?
115VAC 400Hz & 28VDC from Display Set Controller
What is the function MSF?
To provide the means for the primary operator to interface with the ALCS.
Where is the VDU located?
Two on the right-hand Battlestaff Console
What are the power requirements for the VDU?
115 VAC 400Hz from Display Set Controllers
What is the function of the VDUs?
To provide a data/launch key interface for acceptance of logic data from the ALCS Controller.
The Display Set Controller is located in….
The ALCS Bay of the C1 Cabinet
The power requirements of the Display Set Controller is..
115VAC 400Hz DSC 1& 2 C/B E42-2
What is the function of the Display Set Controllers?
To perform the timing and control function for the MFS’s and the VDU’s.
What components do the Display Set Controllers interface with?
ALCS controller, MFS’s, VDU’s and ALCS keyboard.
The KI-45 is located in..
The C1 cabinet
What are the power requirements for the KI-45?
+7.9 VDC from CRPS
What is the function of the KI-45?
To decrypt the Minuteman and Peacekeeper launch-critical command codes, using the mode A variable.
The VKA is located…
In the KI-45’s in the ALCS bay of the C1 cabinet
What is the power requirement for the VKA?
+7.9 VDC from CRPS
What is the function of the VKA?
To act as classified crypto elements that are used to store crypto-variable information.
Where is the ALCS printer located?
Right-hand Battlestaff Console
What is the power requirement for the ALCS printer?
115 VAC 400Hz from PTR C/B E42-2
What is the function of the ALCS printer?
To provide a hard copy historical output of in-flight mission functions.
Where is the Waveform Converter located?
ALCS bay of the C1 cabinet
What are the power requirements for the Waveform Converter?
+5VDC, +15VDC, -15VDC & +28VDC from ALCS power supply
What is the function of the Waveform Converter?
To process all ALCC I/O signals
Where is the Demodulator/Decoder located?
ALCS bay of the C1 cabinet
What are the power requirements for the Demodulator/Decoder?
+5VDC, +15VDC, -15VDC & +28VDC from ALCS power supply
What is the function of the Demodulator/Decoder?
To process the uplink and downlink status messages received by the R/T.
The Tempest Isolation Filter is located..
In the ALCS bay C1 cabinet
What are the power requirements for the Tempest Isolation Filter?
+15VDC, -15VDC, +5.1VDC from WAVEFORM CONVERTER
What is the function of the Tempest Isolation Filter?
To prevent inadvertent transmission of classified data.
Where is the ALCS power supply located?
ALCS Bay of the C1 cabinet
What is the power requirement of the ALCS power supply?
115VAC 400Hz ALCS PS C/B E42-2
Where is the CRPS located?
ALCS bay of the C1 Cabinet
What is the power requirement for the CRPS?
115 VAC 400Hz CRPS C/B E42-2
What is the function of the CRPS?
To convert aircraft AC power to a regulated +7.9 VDC for the ALCS processor equipment.
Where is the ALCS POWER CONTROL panel located?
ALCS officer’s position, right hand Battlestaff
What is the power requirement for the ALCS Power Control panel?
28VDC from ALCS POWER SUPPLY
What is the function of the ALCS Power Control panel?
To control input power, using 28VDC power
What is the location of the ALCS Consent Switch?
AEAO position in the forward right-hand Battlestaff.
What is the power requirement for the ALCS Consent Switch?
PASSIVE
What is the function of the ALCS Consent Switch?
To work in conjunction with the code processor (KI-45) switch in order to allow for the encryption of the encrypted secure codes and the transmission of classified commands.
What is the location of the 70 MHz Select Switch?
C2 cabinet
What is the power requirement for the 70MHz Select Switch?
28VDC from UHF C3 MODE SELECT panel
What is the function of the 70MHz Select Switch?
To interface the UHF C3 Radio Subsystem with the ALCS.
